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1. 115 7 16 FSUPPORT HDD HDD lock operation support 116 7 17 F SUPPORT CF CF lock operation support function seeenm 116 7 18 FADMIN WebDAV WebDAV Administrator Function ssseseeeemn 116 7 18 1 Identification and Authentication Function by WebDAV Server Password 116 7 18 2 Management Function Utilizing WebDAV sss eene nnne nnne nnns nnns nnne nnns 117 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 4 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target List of Figures MTM Figure 1 An example of the expected environment for usage of the MFP Figure 2 Hardware composition that relates to mene List of Tables err Table 1 Conformity of Security Objectives to assumptions and Threats Table 2 Cryptographic Key Generation Relation of Standards Algorithm Key sizes Table Cryptographic Operation Relation
2. FIA_UID 2 6 User identification before any action FIA_UID 2 1 6 The TSF shall require each user User who is permitted to use the account to be successfully identified before allowing any other TSF mediated actions on behalf of that user User who is permitted to use the account Hierarchical to FIA_UID 1 Dependencies No dependencies FIA_UID 2 7 User identification before any action FIA_UID 2 1 7 The TSF shall require each user External Server to be successfully identified before allowing any other TSF mediated actions on behalf of that user External Server Hierarchical to FIA_UID 1 Dependencies No dependencies FIA_USB 1 User subject binding Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 56 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target FIA USB 1 1 The TSF shall associate the following user security attributes with subjects acting on the behalf of that user assignment Jist of user security attributes assignment Zist of user security attributes User attributes User ID User box attributes User box ID File attributes Secure print internal control ID Account name Account ID Administrator Attribute FIA_USB 1 2 The TSF shall enforce the f
3. ZENZC el Pe PLT Tet LEE qni REB ERERE EE bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target set sone setamin bet tbe TLE bet P el ET TTT TTT TE EET TET EEE EE TTT TTT TET TT TT oorverocarasity TT TT TTT TTT TTT TTT TTT EET EET EE ET O AUTH CAPABILITY O CRYPTO MAIL O TRUSTED PASS a i 7 as as EHE SERERE ERR cd dex DE es pos O GROUP BOX TII v x x EB Le eT x O PUBLIC BOX OPRIVATE BOX PET TT Te TE EEE O REGISTERED USER 4 5 6 3 D 2 FMT_MSA 3 FMT_MSA 3 FMT_MTD 1 FMT_MTD 1 FIA_UID 2 2 F FMT_MSA FMT_MSA FMT_MSA FMT_MSA 3 F F F F F Security Objective Security Functional 2 FIA AFL 1 5 FIA AFL 1 6 FIA AFL 1 7 F F Hasla S 99 Or oir I I SO oO SOOPER TI NINN NINN N OINI Al al PE ee ed lt OD 2 QD OD alaala 0 D H DID DIDI DIDI GA alalalal aia
4. assignment list of security management functions to be provided by the TSF Stop Function of Enhanced security function by administrator Operation setup function of ID amp print function by administrator Operation Method Setting Function of User Authentication Function by administrator Operation Method Setting Function of Account Authentication Function by administrator Operation Setting Function of SNMP password authentication function by administrator Setting function of authentication failure frequency threshold by administrator in the authentication operation prohibition function Backup Function by administrator 9 Restoration Function by administrator 10 Registration function of account ID by administrator Modification function of account ID by administrator Registration function of account password by administrator Modification function of account password by administrator Panel Auto Log otf Time Setting Function by administrator Modification function of administrator password by administrator Modification function of SNMP password by administrator Registration function of user box password by administrator Modification function of user box password by administrator Modification function of WebDAV server password by administrator User box registration function by administrator However only when the public is registered for user attribute Modification function of user attribute of the user bo
5. r Ooj ojojoj oj ojoj o x x x x ax oy oe LJ J Hl H gt gt gt gt gt ES sse xxx lyst lt 6 lt 6 lt 6 lt 6 lt lt 6 lt 6 lt lt 6 lt 6 lt 6 lt lt lt lt 6 lt 6 lt 6 lt 6 lt lt lt lt lt gt gt gt gt gt IL LL LL LL LL LL LL LL LL LL L LL LL LL LL LL LL LL LL LL LL Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 72 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target x Security Objective TYNW OLdAH D O 195 99IAJOS 9S ALIMIEVdVO HLNVW O Security ddsn aaualsioau Oo EL EE TS SE REESE Leste n CETTE ALIMEVdVO OLdAYS O Functional ALIMMEVdV9 AD MOOTO Requirements FMT_MTD 1 3 FMT_MTD 1 4 FMT_MTD 1 5 FMT_MTD 1 6 FMT_MTD 1 7 FMT MTD 1 8 FMT MTD 1 9 nil FMT MTD 1 10 X FMT MTD 1 11 FMT_MTD 1 12 FMT_SMF 1 X FMT SMR 1 1 i FMT_SMR 1 2 FMT_SMR 1 3 X FMT_SMR 1 4 x FMT_SMR 1 5 FMT_SMR 1 6 FTA_SSL 3 FTP ITC 1 FAD RIP 1 FIA_EID 1 1 FIA_EID 1 2 a FIT_CAP 1 1 X x gt lt T E T I X08 sNOUSO ELENA SEE peel ue xos
6. Add the product name of VarioLink Change England name to English name and Japan name to Japanese name Change the assignment description for FIA_SOS 1 1 FIA_SOS 1 2 FIA_SOS 1 3 FIA_SOS 1 4 FIA_SOS 1 5 and FIA_SOS 1 7 Change the content in table 11 Deal with OR Correspondence Deal with typos Deal with typos Deal with OR Correspondence Deal with OR Correspondence Created Kakutani Oda 2009 5 11 Development Div 11 1 07 1 07 Change the name of Division and Approval person in Revision History according to the change of organization Kakutani Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 2 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target Contents 12 ST Introduccion o uctor hase Eie eode 6 1 1 ST IdentifiCationi cere eee TRE Top De EN eer 6 1 2 TOE lIdentiflCatiOri etaient eb entem ns 6 1 3 TOE QV6IVIGW nte he ener tn a ea eret 6 L3 1 TOE lypeic siepe ER e un e Nc ee E ten dI dba oe M ene Re Mavic 6 1 3 2 Usage of TOE and main Security Functions esses sese eene nn
7. Setting management access control FDP ACF 1 2 3 The TSF shall enforce the following rules to determine if an operation among controlled subjects and controlled objects is allowed assignment rules governing access among controlled subjects and controlled objects using controlled operations on controlled objects assignment rules governing access among controlled subjects and controlled objects using controlled operations on controlled objects A task act for a user who has a administrator attribute is permitted to set the SMTP server group object the DNS server group object the MFP address group object the PC FAX operation setting object and Transmission Address data object and to operate the restoration FDP ACF 1 3 3 The TSF shall explicitly authorize access of subjects to objects based on the following additional rules assignment rules based on security attributes that explicitly authorize access of subjects to objects assignment rules based on security attributes that explicitly authorize access of subjects to objects None FDP_ACF 1 4 3 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 46 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target The TSF shall explicitly deny access of subjects to o
8. UID 2 3 FMT_SMR 1 4 Security roles Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 66 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target FMT SMR 1 1 4 The TSF shall maintain the roles assignment he authorized identified roles assignment he authorized identified roles User who is authorized to use that public user box FMT SMR 1 2 4 The TSF shall be able to associate users with roles Hierarchical to No other components Dependencies UID 1 UID 2 5 FMT_SMR 1 5 Security roles FMT_SMR 1 1 5 The TSF shall maintain the roles assignment the authorized identified roles assignment the authorized identified roles External server FMT SMR 1 2 5 The TSF shall be able to associate users with roles Hierarchical to No other components Dependencies FIA_UID 1 FIA UID 2 7 FMT SMR 1 6 Security roles FMT_SMR 1 1 6 The TSF shall maintain the roles assignment the authorized identified roles assignment the authorized identified roles The user who is permitted to use of the account FMT SMR 1 2 6 The TSF shall be able to associate users with roles Hierarchical to No other components Dependencies UID 1 FIA UID
9. When the machine authentication is selected as the User authentication method The TSF shall restrict the ability to selection change default query modify delete clear assignment other operations the assignment ist of TSF data to assignment the authorized identified roles assignment Zist of TSF data User password selection change default query modify delete clear lassignment other operations assignment other operations Registration assignment he authorized identified roles Administrator Hierarchical to No other components Dependencies FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT SMR 1 2 FMT MTD 1 2 Management of TSF data FMT MTD 1 1 2 When the machine authentication is selected as the User authentication method The TSF shall restrict the ability to selection change default query modify delete clear assignment other operations the assignment list of TSF data to assignment the authorized identified roles assignment Zist of TSF data User s own user password selection change default query modify delete clear lassignment other operations modify assignment the authorized identified roles User Administrator Hierarchical to No other components Dependencies FMT_SMF1 FMT_SMF 1 FMT SMR 1 FMT SMR 1 2 FMT SMR 1 3 FMT MTD 1 3 Management of TSF data FMT MTD 1 1 3 The TSF shall restric
10. While authentication is performed log off from the authentication status of the user and lock the authentication function for the user Otherwise lock the authentication function for using the user password Operation for recovering the normal condition Perform the delete function of authentication failure frequency offered within the administrator mode Hierarchical to No other components Dependencies FIA_UAU 1 UAU 2 3 FIA AFL 1 5 Authentication failure handling FIA AFL 1 1 5 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Authentication for accessing the secure print file Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 49 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values lassignment range of acceptable values an administrator configurable positive i
11. Itshall not be composed of one kind of character gt It shall not be matched with the current value As described above FIA_SOS 1 1 FMT MTD 1 6 FMT SME1 and FMT SMR 1 1 are realized 3 Release of the lock of administrator authentication function Reset 0 clear the number of authentication failure for the administrator authentication gt If access is locked the lock is released As described above FIA_AFL 1 2 is realized 4 Setting of CE Authentication Lock Time Set the CE Authentication Lock Time between 1 60 minutes As described above FMT MTD 1 9 FMT SMF 1 and FMT SMR 1 1 are realized 5 Function that relates the operation setting of maintenance function Set the operation of the aintenance function Available to change from the halt condition to startup condition As described above FMT MOF 1 4 FMT 1 and FMT SMR 1 1 are realized 6 Function that relates to Enhanced Security function The functions that influence the setting of the Enhanced Security function that the service engineer operates are as follows HDD logical format function Function to write the value of management data using the file system of HDD The setting of the Enhanced Security function is invalidated along with the execution of this logical format HDD physical format function A function to rewrite the entire disk in HDD with a regulated pattern including the signal rows such as the track and sector information The se
12. Object to which restoration should be limited A series of data that relates to SMTP server setting A series of data that relates to DNS server setting A series of data that relates to MFP address setting Operation setting data of SNMP password authentication function Setting data of Enhanced Security function Setting data of operation method of user authentication function Authentication failure frequency threshold of authentication operation prohibition function Panel auto logoff time User ID User attribute of user box User box ID S MIME certificate Transmission address data Encryption strength setting data in S MIME function Trusted Channel function setting data Belonging Account of user Administrator authentication lock time PC FAX operation setting TSI receiving setting data Operation setting data of account authentication function External server authentication setting data Type C Object to which back up should be limited Secure print file User box file ID amp print file As described above FDP_ACC 1 1 FDP 1 2 FDP ACC 1 3 FDP 1 4 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 97 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target FDP_ACF 1 1 1 2 FDP_ACF1 3 FDP_ACF
13. Remote diagnostic function MFP s equipment information such as operating state and the number of printed sheets is managed by making use of connection such as E mail WebDAV and a modem connection through a FAX public line portal or the RS 232C protocol to communicate with the support center of MFP produced by Konica Minolta Business Technologies Inc In addition if necessary appropriate services shipment of additional toner packages account claim dispatch of service engineers due to the failure diagnosis etc are provided Updating function of TOE TOE facilitated with the function to update itself As for the update means there are a method that exists as one of items of remote diagnostic function a method that downloads from FTP server through Ethernet TOE update function via Internet and a method that 4 An abbreviation of Customer Service engineer Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 16 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 4 5 performs the connection of the memory medium such as USB memory Encryption Communication function TOE can encrypt the data transmitted from client PC to MFP and the data received by download from MFP by using SSL TLS The operational setup of this function is performed by
14. bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target response to the access request to each secure print file gt Offers the secure print password authentication mechanism that is authenticated by the secure print password that consists of the character shown in Table 12 v The secure print authentication mechanism by the separate session information is not needed because it becomes only an access from the panel in the case of the secure print for each character as feedback for the entered secure print password Return Resets the number of authentication failure when succeeding in the authentication The access from the panel is not accepted for 5 seconds when the authentication is failed VV VV When the authentication failure that becomes the 1 3 times in total for the secure print file concerned is detected the authentication function to the secure print file is locked The administrator specifies the failure frequency threshold by the unauthorized access detection threshold setting function gt The lock is released by the lock release function to the secure print file of FADMIN executed As described above FIA_AFL 1 5 FIA_AFL 1 8 UAU 2 4 UAU 7 and FIA_UID 2 4 are realized 2 Access control function to a secure print file The secure print file access control o
15. for the enhanced security function FMT_MOF 1 4 permits only the service engineer to enable the operation setting activation for the maintenance function Management of HDD lock password encryption passphrase and CF lock password FMT MTD 1 3 permits the modification operation to the HDD lock password the encryption passphrase and CF lock password SOS 1 4 verifies the quality of the HDD lock password the encryption passphrase and CF lock password In order to change the HDD lock password encryption passphrase and CF lock password FIA UAU 6 re authenticates that a user is an administrator by collating with the registered HDD lock password and encryption Passphrase object When the authentication is succeeded the HDD lock password encryption passphrase and CF lock password are allowed to be changed Moreover FMT MTD 1 11 permits only to the administrator to register the encryption passphrase Necessary requirement for accessing MIB object The SMTP server group object the DNS server group object and the MFP address group object exists as an MIB object as well so that the restriction is necessary even in the access from the SNMP FIA_UID 2 2 and FIA_UAU 2 2 identifies and authenticates that the user who accesses the MIB object is an administrator FIA_AFL 1 3 locks the authentication function to access the MIB object when the failure authentication reaches 1 3 times This lock is released by the start of TOE or the
16. 4 3 3 Sufficiency Of Threats iv ad d e evi te ded needed needed ie o 31 4 3 4 Sufficiency of Organizational Security Policies esses seien einn nnne 35 5 Extended Components Definition enne nennen 37 5 1 Extended Function eee eee 37 5 1 1 FAD HIP T Definitions Ac dac ea bate n V EH ee 38 5 1 2 FIA BIDA Definition ius dene nd uae dau eheu 38 5 T3 S FIT CARA Definitions c oio set ett 39 6 IT Security Requlrements our etr terree hr I tore the coma eene 41 6 1 TOE Security Requirements seinen eee nenne nennen nennen nnne en 41 6 1 1 TOE Security Function Requirements esses naeh nennt 41 6 1 2 TOE Security Assurance Requirements isses 70 6 2 IT Security Requirements Rationale ssssseeeeeeeneeen emere eren 71 6 2 1 Rationale for IT Security Functional Requirements esses seinen nnne nnne 71 6 2 2 Rationale for IT Security Assurance Requirements sss eene nnne nnne nnne 90 T TOE Summary Specification 1 Deren ed Dedi i epus 91 7 1 F ADMIN Administrator Function nnn nnn 91 7 1 1 Administrator identifi
17. Auto logoff function of administrator mode While accessing an administrator mode from a panel if not accepting any operation during the panel automatic logoff time it logs off the administrator mode automatically As described above FIA SSL 3 is realized 7 1 3 Function offered in Administrator mode When a user is identified and authenticated as an administrator by the administrator identification authentication function at the accessing request to the administrator mode the administrator authority is associated with the task substituting the user And the following operations and the use of the functions are permitted As described above FIA_ATD 1 and FIA_USB 1 are realized 7 1 3 1 Change of Administrator password When a user is re authenticated as an administrator by the panel and the new password satisfies the quality the password is changed Offers the administrator authentication mechanism that is authenticated by the administrator password which consists of the character shown in Table 12 Resets the number of authentication failure when succeeding in the re authentication Return for each character as feedback for the entered administrator password in the re authentication by the access from the panel When the authentication failure that becomes 1 3 times at total in each authentication function by using the administrator password is detected it logoffs the administrator mode accessing from the panel
18. Hierarchical to No other components Dependencies dependencies 6 1 1 9 Extension Capability of using IT environment entity FIT_CAP 1 1 Capability of using security service of IT environment entity FIT_CAP 1 1 1 TSF shall provide the necessary capability to use the service for assignment security service provided by IT environment entity assignment necessary capability list for the operation of security servicel assignment security service provided by IT environment entity User identification and authentication function of user information management server using ActiveDirectory assignment necessary capability list for the operation of security service Inquirey function of authentication information for the identification and authentication target user Acquirement function of authentication information for the identification and authentication target user Hierarchical to No other components Dependencies dependencies FIT CAP 1 2 Capability of using security service of IT environment entity FIT CAP 1 1 2 TSF shall provide the necessary capability to use the service for assignment security service provided by IT environment entity assignment necessary capability list for the operation of security servicel assignment security service provided by IT environment entity Encryption function achieved by encryption kit a
19. O REGISTERED USER is assumed that only the user to whom TOE was registered 15 permitted to use MFP installed TOE furthermore the operation of a personal user box and the user box file in a personal user box is restricted only to the user who is the owner by O PRIVATE BOX so that the possibility of the threat 1s reduced When the user information management server is used the possibility of the threat is reduced because the user identification and authentication function is operated through O AUTH CAPABILITY supporting the operation for the user identification and authentication function by the user information management server of Active Directory and through OE SERVER setting to use the user management by the administrator OE FEED BACK uses the application regulating to return the protected feedback for the entered password in the user s authentication and OE N SESSION also requires the log off operation after the operation ends so that O REGISTERED USER and O PRIVATE BOX are supported sufficiently Accordingly this threat is countered sufficiently Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 32 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target T ACCESS PUBLIC BOX Unauthorized access to public user box using user function This threat assumes the p
20. amp print files on memory image files stored image files HDD remaining image files image related files transmission address data files and the set up various passwords can leak by a malicious person or a user illegally when he she brings out the files to analyze the HDD in a e A person or a user with malicious intent illegally replaces the HDD in In the replaced HDD newly created files such as secure print files user box files ID amp print files on memory image files stored image files HDD remaining image files image related files transmission address data files and various passwords which were set up are accumulated A person or a user with malicious intent takes out to analyze the replaced HDD so that such image files will leak T ACCESS PRIVATE BOX Unauthorized access to the personal user box which used a user function Exposure of the user box file when a person or a user with malicious intent accesses the user box where other user owns and downloads prints and transmits the user box file E mail transmission FTP transmission fax transmission SMB transmission and WebDAV transmission T ACCESS PUBLIC BOX Unauthorized access to public box which used a user function Exposure of the user box file when a person or the user with malicious intent accesses the public user box which is not permitted to use and downloads prints transmits E mail transmission FTP transmission FAX transmission SMB transmis
21. behavior the functions assignment Jist of functions to assignment the authorized identified roles assignment List of functions User Authentication Function S MIME function SNMP password authentication function ID amp print function selection determine the behavior of disable enable modify the behavior modity the behavior of assignment the authorized identified roles Administrator Hierarchical to No other components Dependencies _ FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT_SMR 1 2 FMT_MOF 1 3 Management of security functions behavior FMT_MOF 1 1 3 The TSF shall restrict the ability to selection determine the behavior of disable enable modify the behavior the functions assignment Jist of functions to assignment the authorized identified roles assignment Jist of functions Account Authentication Function Trusred Channel Function selection determine the behavior of disable enable modify the behavior disable modify the behavior of assignment the authorized identified roles Administrator Hierarchical to No other components Dependencies FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT SMR 1 2 FMT_MOF 1 4 Management of security functions behavior FMT_MOF 1 1 4 The TSF shall restrict the ability to selection determine the behavior of disable enable modify the behavior the functions assignment Jist of functions to assignment the aut
22. is performed to WebDAV authentication As described above FIA_AFL 1 9 UAU 2 2 and UID 2 2 are realized 7 18 2 Management Function Utilizing WebDAV When it is identified and authenticated that the user is an administrator by the WebDAV server password access utilizing WebDAV is permitted and it is permitted to set up the data below 7 18 2 1 Obtention of User Password User password is obtained for each registered user As described above FMT MTD 1 7 FMT SMF 1 and FMT SMR 1 2 are realized 7 18 2 2 Obtention of Account Password Account password is obtained for each registered user As described above FMT MTD 1 7 FMT_SMF 1 and FMT SMR 1 2 are realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 117 117
23. permits the change in the user box password only to the administrator and the user who is permitted to the use of the user box FIA SOS 1 5 verifies the quality of the user box password As for the user box registration FMT MSA 3 1 specifies the public to the user attribute of the user box and permits only the user and administrator to give the initial value to change the user attribute FMT MTD 1 5 permits the registration of the user box password only to the user or the administrator For the user box attribute of the user box file the user box attribute value of the selected user box as storage is set by FMT MSA 3 3 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 76 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target Necessary requirement to keep the administrator secure gt refer to set admin Necessary requirement to keep the service engineer secure refer to set service Role and controlling function for each management As the role of doing these managements FMT SMR 1 2 maintains an administrator and FMT SMR 1 4 maintains a user permitted the use of the user box FMT SME 1 specifies these management functions This security objective is satisfied by the completion of these multiple functional requirements O GR
24. 1 3 Necessary requirement for managing the identification and authentication information of the user When the machine authentication is chosen in a method of the user authentication by FMT_MTD 1 1 the initial registration of a user password in the user s registration is permitted only by the administrator When the machine authentication has been selected in the method of the user authentication the registration of the user ID in the user registration is permitted to the administrator by FMT MTD 1 10 When the external server authentication has been selected in the user authentication method the user who is authenticated the identification 1s permitted from an external server and registered automatically by this requirement This corresponds to the user ID registration of the external server At this registration the external server accessing is identified the external server registered by UID 2 7 This management behavior is maintained as the role of the external server by FMT SMR 1 5 In addition the registration function of user ID is specified for the administration function by FMT SMFE 1 The setting change operation of an external server is limited to only the administrator by FMT_MTD 1 3 The quality of the user password is verified by FIA_SOS 1 3 When machine authentication is selected in the method of the user authentication a change of the user password is limited to the user itself and the admin
25. 1 4 FMT MOF 1 1 FMT MOF 2 FMT 1 8 FMT_MSA 1 1 FMT_MSA 1 2 FMT _MSA 1 3 FMT MTD 1 2 FMT_MTD 1 3 FMT MTD 1 4 FMT_MTD 1 7 FMT SME1 and FMT_SMR 1 2 are realized 7 1 3 10 Operation setting function of HDD lock function Modification of HDD lock password Change the HDD lock password By using the HDD lock password currently set when it is re authenticated as an administrator and the new password satisfies the quality it is changed Offers the HDD lock password verification mechanism that verified the HDD lock password that consists of the character shown in Table 12 Return in verification for each character as feedback for the entered HDD lock password Verify the HDD lock password newly set if the following qualities are satisfied gt Itis composed of the characters and by the number of digits shown in Table 12 gt Itshall not be composed of one kind of character gt It shall not be matched with the current value As described above FIA_SOS 1 4 UAU 7 FIA UAU 6 FMT MTD 1 3 FMT SME 1 and FMT_SMR 1I2 are realized 7 1 3 11 Operation setting function of CF lock function Modification of CF lock password Change the CF lock password By using the CF lock password currently set when it is re authenticated as an administrator and the new password satisfies the quality it is changed Offers the CF lock password verification mechanism that verified the CF loc
26. 1D00 G00 11 Security Target Return for each character as feedback for the entered administrator password Resets the number of authentication failure when succeeding in the authentication In the case of access from a panel it doesn t accept the input from a panel for five seconds when failing in the authentication Locks all the authentication functions to use the administrator password when detecting the authentication failure that becomes 1 3 times at total in each authentication function by using the administrator password Refuse the access to the administrator mode gt administrator specifies the failure frequency threshold by the unauthorized access detected threshold setting function FRESET works and the lock release function of the administrator authentication function in F SERVICE is carried out and the lock of authentication function is released As described above FIA_AFL 1 2 FIA AFL 1 8 FIA_SOS 1 6 FIA SOS 2 FIA_UAU 2 2 FIA_UAU 7 and FIA_UID 2 2 are realized Table 12 character and number of digits used for password Objectives Number Characters of digits Password CE Password _ Lock Password 20 digits CF Lock Password 20 digits Encryption passphrase User Password 8 digits or more WebDAV Password 0 8 digits Account Password 8 digits User Box Password Security Print Password 92 characters in total can be selected AS
27. 2 6 6 1 1 5 TOE Access FTA SSL 3 TSF initiated termination FTA SSL 8 1 The TSF shall terminate an interactive session after a assignment time interval of user inactivity assignment time interval of user inactivity Time decided from the final operation depending on the panel auto logoff time 1 9 minute s while a administrator or a user is operating on the panel Hierarchical to No other components Dependencies No dependencies 6 1 1 6 Trusted pass channel FTP ITC 1 Inter TSF trusted channel ITC 1 1 The TSF shall provide a communication channel between itself and a other trusted IT product that is logically distinct from other communication channels and provides assured identification of its end points and protection of the channel data from modification or disclosure FIP ITC 1 2 The TSF shall permit selection the TSF the other trusted IT product to initiate communication via the Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 67 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target trusted channel selection the TSF the other trusted IT product The other trusted IT product FTP_ITC 1 3 The TSF shall initiate communication via the trusted channel
28. 22 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target a user box file is exposed lt The network setting which is related to user box file transmission gt Setting related to the SMTP server Setting related to the DNS server e Malicious person or user changes the network settings which set in MFP to identify itself where TOE installed by setting to the value of the entity such as another unauthorized MFP from the value of MFP NetBIOS name AppleTalk printer name IP address etc that TOE is originally installed so that secure print files or ID amp print files are exposed e Malicious person or user changes the TSI recieving settings A user box file is stored to the entity which a user does not intend to so that a user box file is exposed e Malicious person or user changes the PC FAX operation settings By changing the setting of the storing for the public user box to store to common area for all users a user box file is stored to the entity which a user does not intend to so that a user box file is exposed This threat exists only in the case that the operation setting of PC FAX is meant to work as the operation setting for box storing T ACCESS SETTING An unauthorized change of a function setting condition related to security The possibility of leaking user box fil
29. 50 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target within lassignment range of acceptable values lassignment range of acceptable values an administrator configurable positive integer within 1 3 FIA AFL 1 2 7 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall assignment Zist of actions selection met surpassed Surpassed assignment List of actions Action when it is detected Lock the authentication function for the concerned account and deny the access to the TOE by the user who permitted the use of the account Operation for recovering the normal condition Perform the delete function of authentication failure frequency offered within the administrator mode Hierarchical to No other components Dependencies FIA_UAU 1 FIA_UAU 2I 6 FIA_AFL 1 8 Authentication failure handling FIA_AFL 1 1 8 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Authentication when it accesses service mode Authent
30. Authentication password and Privacy password As described above FMT MOF 1 2 FMT 1 and FMT SMR 1 2 are realized 7 1 3 15 Account Settings Account registration Account is registered by setting the account ID and registering the account password It verifies whether the account password newly set have been satisfied the following qualities gt Itis composed of the characters and by the number of digits shown in Table 12 gt It shall not be composed of one kind of character Change of account ID and account password Account ID and account password is changed It verifies whether the account password newly set have been satisfied the following qualities gt Itis composed of the characters and by the number of digits shown in Table 12 gt It shall not be composed of one kind of character Account deletion Account ID and account password are deleted gt When the Group box of the account ID exists that group user box is automatically set to the public user box of user attributes public Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 99 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target As described above FIA_SOS 1 5 FMT MSA 1 3 FMT MTD 1 3 FMT MTD 1 11 FMT SME and FMT SMR 1 2 are realized 7 1 3 16 Setting of Tr
31. MT SMF 1 MT SMR 1I2 MT SMF 1 MT SMR 1 2 FMT SMR 1 4 MT SMF 1 MT SMR 1 2 FMT SMR 1 3 MT SMF 1 MT SMR 1 1 FMT SMR 1 2 MT SMF 1 MT SMR 1 2 MT SMFE 1 MT SMR 1 3 MT SMFE 1 MT SMR 1 1 MT SMFE 1 MT SMR 1 2 FMT SMR 1 5 MT SMFE 1 MT SMR 1 2 is no necessity of nj 5 SIZ SIS SS SIS SIS SS SIS alz E d m 2 gt Hj IA UID 2 1 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 89 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Functional Requirements Component for this ST 0266 Dependencies on CC Part 2 Dependencies Relation in this ST FTA_SSL 3 FIA_EID 1 2 No FIT_CAP 1 1 T FIT CAP 1 2 N FIT CAP 1 3 FIT CAP 1 4 None None None None None 6 2 2 Rationale for IT Security Assurance Requirements This TOE is installed and used in an environment where adequate security is maintained in terms of the physical personnel and connectivity Nonetheless adequate effectiveness in the environment where the TOE is used must be assured As a general commercial office product the execution of tests based on function specifications and high level design and analysis of the strength of function and a search for vulner
32. Method not synchronized with User Authentication Setup of access when the user attribute is public gt Itis selected whether to permit or prohibit MFP utilization of the user who is not identified by user ID Setup of a password policy function gt It is selected whether to enable or disable the function to check the several conditions of the password such as the number of valid digits of various passwords Setup of the authentication method of Secure Print and the prohibit function of authenticating operations When secure print files are authenticated the authentication prohibition function operates in a mode and does not operate in the other mode gt The operation mode of the function detecting unsuccessful authentication in each 3 Abbreviation of Transmtting Subscriber Identification The Same meaning of Identification of Subscriber s Termnal TSI receiving is the function that can designate the Box to be stored for each Subscriber Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 14 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target authentication function is also synchronous with the above mode gt The above mentioned operational modes are selected Setup of the network setting modification function by SNMPv1 and v2 gt It
33. No other components Dependencies FMT MSA 1 N A FMT SMR 1 N A FMT_MSA 3 4 Static attribute initialization Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 60 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target FMT_MSA 3 1 4 The TSF shall enforce the assignment access control SFP information flow control SFP to provide selection choose one of restrictive permissive assignment other property default values for the security attributes User attributes of ID amp print that are used to enforce the SFP selection choose one of restrictive permissive assignment other property lassignment other property Shall be equal to the values of the user attributes of the user who registers that ID amp print file assignment access control SFP information How control SFP ID amp print file access control FMT_MSA 3 2 4 The TSF shall allow the assignment the authorised identified roles to specify alternative initial values to override the default values when an object or information is created assignment the authorized identified roles None Hierarchical to No other components Dependencies FMT MSA 1 N A FMT_SMR 1 N A FMT MTD 1 1 Management of TSF data FMT MTD 1 1 1
34. The roles of the personnel related to the use of MFP with TOE are defined as follows User An MFP user who is registered into MFP In general the employee in the office is assumed Administrator An MFP user who manages the operations of MFP Manages MFP s mechanical operations and users In general it is assumed that the person elected from the employees in the office plays this role Service Engineers A user who manages the maintenance of Performs the repair and adjustment of In general the person in charge of the sales companies that performs the maintenance service of in cooperation with Konica Minolta Business Technologies Inc is assumed Responsible person of the organization that uses the MFP A responsible person of the organization that manages the office where the MFP is installed Assigns an administrator who manages the operation of Responsible person of the organization that manages the Maintenance of the MFP A responsible person of the organization that manages the maintenance of Assigns service engineers who manage the maintenance of Besides this though not a user of TOE those who go in and out the office are assumed as accessible persons to TOE Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 71117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 Vario
35. This family corresponds to the capability definition for TOE at the use of security function of IT environment entity Component leveling Meaning of abbreviation CAP CAPability of using it environment FIT CAP 1 Capability of using security seervice of IT environment entity corresponds to the substantiation of capability needed to use the security function correctly provided by IT environment entity Audit FIT CAP 1 The following actions should be auditable if GEN Security audit data generation is included in the PP ST a Minimal Failure of operation for IT environment entity b Basic Use all operation of IT environment entity success failure Management FIT CAP 1 The following actions could be considered for the management functions in FMT There is no management activity expected FIT CAP 1 Capability of using security service of IT environment entity FIT CAP 1 TSF shall provide the necessary capability to use the service for assignment security service provided by IT environment entity assignment necessary capability list for the operation of security servicel Hierarchical to No other components Dependencies No dependencies Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 40 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AO
36. been satisfied the following qualities e tis composed of the characters and by the number of digits shown in the Table 12 e Tt shall not be composed of one kind of character Change of user attribute of user box Specify the user attribute of a personal user box to the other user or the account that registered Specify the user attribute of group user box to the user or the other account that registered Specify the user attribute of public user box to the user or account that registered Specify the user attribute of a personal user box or group user box to public e registration of a user box password is necessary at the same time and then the processing which is similar to a change of the above mentioned user box password should be done User Box setting Allow to view the list of boxes when the user attribute is related to administrator As described above FDP_ACC 1 1 FDP_ACF1 1 SOS i 1 FMT MSA 1 1 FMT 1 2 FMT 1 3 FMT MSA 3 1 FMT MTD 1 4 MTD 1 5 FMT_SMF1 and FMT SMR 1 2 are realized 1 1 8 4 Release of Lock Reset 0 clear the number of authentication failure for each users If there is a user to whom access is locked the lock is released Reset 0 clear the number of authentication failure for all secure prints If there is a secure print to which access is locked the lock is released Reset 0 clear the number of authentication failure of eac
37. digits shown in the Table 12 gt It shall not be composed of one kind of character As described above FIA SOS 1 3 FMT_MTD 1 2 SME 1 and FMT SMR 1 3 are realized 7 5 User Box Function F BOX is a series of security function related to the user box to the user who is identified and authenticated that you are the registered user such as the permission of the operation and management of the personal user box of the user the authentication to the user who is permitted the utilization of the user box in the access to the public box and the access control function to permit various operations of the concerned user box and the user box file after the authentication Registration of user box by user operation To register a personal user box a group user box or public user box by selecting the user attribute to the non registration user box ID selected When it s registered it is possible to select User ID or Account ID in the user attribute of the user box which have been specified Public as a default value In the case of the personal user box the arbitrary user ID registered is specified In the case of the public user box verify that a user box password registered satisfies the following conditions gt Itis composed of the characters and by the number of digits shown in the Table 12 gt It shall not be composed of one kind of character In the case of group user box the arbitrary account
38. for assignment Jist of functions for which a trusted channel is required assignment Jist of functions for which a trusted channel is required Download of the user box file Upload of the image file that will be stored as a user box file Upload of the image file that will be the secure print file Hierarchical to No other components Dependencies No dependencies 6 1 1 7 Extension Remaining all information protection 1 Protection of all remaining information after explicit deletion operation FAD_RIP 1 1 TSF shall guarantee not to be able to use the content of any information before having been assigned to the resource on the explicit deleting operation to the following objects and the TSF data assignment list of object and list of TSF datal assignment List of object and list of TSF datal Objects User Box file Secure print file ID amp print file On memory image file Stored image file HDD remaining image file CF remaining image file Image related file Transmission addressee data file TSF data gt HDD lock password CF lock password Encryption passphrase Administrator password SNMP password WebDAV server password User ID User password User Box password Secure print password Account ID Account password S MIME certificate Trusted Channel setting data Remaining TSF data Hierarchical to No other components
39. for the user that has a administrator attribute is permitted to operate displaying of user box list A task to act for the user that has a administrator attribute is permitted to operate the back up the user box file FDP ACF 1 4 1 The TSF shall explicitly deny access of subjects to objects based on the assignment rules based on security attributes that explicitly deny access of subjects to objects assignment rules based on security attributes that explicitly deny access of subjects to objects None Hierarchical to No other components Dependencies FDP ACC 1 FDP ACC 1 1D FMT MSA 3 FMT MSA 3 1 FMT MSA 3 3 FDP_ACF 1 2 Security attribute based access control FDP_ACF 1 1 2 The TSF shall enforce the assignment access control SFP to objects based on the following assignment list of subjects and objects controlled under the indicated SFP and for each the SFP relevant security attributes or named groups of SFP relevant security attributes assignment Zist of subjects and objects controlled under the indicated SFP and for each the SFP relevant security attributes or named groups of SFP relevant security attributes lt Subject gt Subject attributes gt task substituted fora user gt File attributes Secure print internal control ID User attributes User ID Administrator attributes lt Object gt lt Object attributes gt Secure print file 2 File attributes Secure print internal
40. image file used by user who is permitted the use of the account or the user box file in it O REGISTERED USER assumes that only the user to whom TOE was registered is permitted to use MFP installed TOE furthermore the operation of the group user box and user box file in the group user box is restricted only to the permitted userby O GROUP BOX so that the possibility of the threat is removed When the user information management server is used the possibility of the threat is reduced because the user identification and authentication function is operated through O AUTH CAPABILITY supporting the operation for the user identification and authentication function by the user information management server of Active Directory and through OE SERVER setting to use the user management by the administrator OE FEED BACK uses the application regulating to return the protected feedback for the entered password in the user s authentication and account s authentication and OE N SESSION also requires the log off operation after the operation ends so that O REGISTERED USER and O GROUP BOX are supported sufficiently Accordingly this threat is countered sufficiently T ACCESS SECURE PRINT Unauthorized access to a secure print file or an ID amp print file using the user function This threat assumes the possibility that an unauthorized operation is done to the secure print and ID amp print using user function O REGISTERED USER assumes that only the user
41. lock release operation by the administrator FMT MTD 1 3 restricts the threshold setting of the unauthorized access detection value that is the trial frequency of the failure authentication in the administrator authentication using the SNMP password only to the administrator FMT MTD 1 3 restricts the change in the SNMP password to the administrator FIA_SOS 1 2 verifies the quality of the SNMP password FMT_MOF 1 2 restricts the method of the SNMP password authentication function only to the administrator Requirements for the counter management function access by WebDAV gt FIA_UID 2 2 and FIA UAU 2 2 identify and authenticate that the user accessing by WebDAV is an administrator MTD 1 7 permits the identified and authenticated administrator to perform inquiry operations of user passwords and account passwords FIA AFL 1 9 locks the administrator authentication function which uses the WebDAV server password when authentication has failed once twice or three times This lock state 18 released by the administrator s unlock operation When an administrator is authenticated by the WebDAV server password FMT MTD 1 3 restricts the setup of the maximum number of times of unsuccessful authentication only to the administrator FMT MTD 1 3 restricts the change of the WebDAV server password only to the administrator FIA_SOS 1 1 verifies the quality of the WebDAV server password Besides when the WebDAV server password is chan
42. lt Operation for recovering the normal condition gt Perform the lock release function offered within the service mode Perform the boot process of the TOE Release process is performed after Administrator authentication lock time by the boot process Hierarchical to No other components Dependencies FIA_UAU 1 FIA_UAU 2 2 FIA_AFL 1 3 Authentication failure handling FIA_AFL 1 1 3 The TSF shall detect when selection assignment positive integer number an administrator Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 48 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target configurable positive integer within assignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Authentication for accessing the MIB object through SNMP selection assignment positive integer number an administrator configurable positive integer within lassignment range of acceptable values lassignment range of acceptable values an administrator configurable positive integer within 1 3 FIA AFL 1 2 3 When the defined number of unsuccessful authentication attempts has been sele
43. or from client PC to for the user box file the secure print file or ID amp print file that is a confidential image so that the organizational security policies is achieved Also the security objective offers the transmission function to a correct destination by encrypting the user box file transmitted by e mail from MFP to client PC by Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 35 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target O CRYPTO MAIL so that the organizational security policies is achieved Furthermore O CONFIG restricts the Trusted Channel function setting data the management of the user box files encryption by e mail and the transmission address data to the administrator And then OE FEED BACK uses the application regulating that the protected feedback is returned for the entered password in the administrator s authentication and OE SESSION is also regulated to log off after the operations of the administrator mode ends so that O CONFIG is supported Accordingly this organizational security policies is sufficiently to achieve Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 36 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 42
44. printing the E mail transmission include the S MIME transmission the FTP transmission the fax transmission the SMB transmission WebDAV transmission download the movement to other user boxes and the copy operations to other user boxes As described above FIA_ATD 1 FIA USB 1 ACC 1 1 and ACF 1 1 are realized User attribute change of a public user box The user attribute of the user box can be changed Specify the registered user And change to a personal user box for the registered user Specify the account ID and then it becomes a group user box that can be accessed by a user who is permitted the use of the concerned account As described above FMT MSA 1 2 FMT 1 and FMT SMR 1 4 are realized Change of a public user box password Change the user box password of the public user box When the user box password newly set satisfies the following qualities it is changed gt Itis composed of the characters and by the number of digits shown in Table 12 gt It shall not be composed of one kind of character As described above FIA SOS 1 5 FMT MTD 1 4 FMT SME1 and FMT_SMR 1 4 are realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 109 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 7 5 8 Group User
45. roles Service Engineer Hierarchical to No other components Dependencies FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT_SMR 1 1 FMT_MTD 1 10 Management of TSF data FMT_MTD 1 1 10 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operationsl the assignment ist of TSF data to assignment the authorized identified roles assignment list of TSF data User ID selection change default query modify delete clear assignment other operations lassignment other operations Registration assignment the authorized identified roles Administrator External server Hierarchical to No other components Dependencies EFMT_SMF 1 FMT_SMEF 1 FMT SMR 1 FMT SMR 1 2 FMT SMR 1 5 FMT MTD 1 11 Management of TSF data FMT MTD 1 1 11 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operations the assignment list of TSF data to assignment the authorized identified roles assignment list of TSF data Account ID Account password S MIME certificate Encryption passphrase selection change default query modify delete clear assignment other operations lassignment other operations Registration assignment the authorized identified roles Administrator Hierarchical to other components D
46. server When the intra office LAN connects to an external network measures such as connecting via a firewall are taken and an appropriate setup to block access requests to the MFP from the external network is carried out The intra office LAN provides a network environment that cannot be intercepted by the office operation including using the switching hub and installing the wiretapping detector The public line connected with is used to communicate with the FAX and the remote support function Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 8 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 1 4 2 2 Operation Environment MFP Contoroller USB TH CPU Encryption protection chip Image Controller ce TOE Message Data etwor Ethernet Unit HDD NVRAM Flash Me ory Flash Memory RS 2320 4 ees TERME Rax Unit Main Sub Panel Printer Scanner unit Power e Document feeder Public line Operator Operator Paper Figure 2 Hardware composition that relates to TOE Figure2 shows the structure of the hardware environment on the MFP that TOE needs
47. shall require each user User who is permitted to use secure print file to be successfully authenticated before allowing any other TSF mediated actions on behalf of that user User who is permitted to use secure print file Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 54 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Hierarchical to FIA_UAU 1 Dependencies FIA UID 1 FIA UID 2 4D FIA UAU 2 5 User authentication before any action UAU 2 1 5 The TSF shall require each user User who is permitted to use the public user box to be successfully authenticated before allowing any other TSF mediated actions on behalf of that user User who is permitted to use the public user box Hierarchical to FIA_UAU 1 Dependencies FIA_UID 1 FIA_UID 2 5 FIA_UAU 2 6 User authentication before any action FIA_UAU 2 1 6 The TSF shall require each user User who is permitted to use the account to be successfully authenticated before allowing any other TSF mediated actions on behalf of that user User who is permitted to use the account Hierarchical to FIA_UAU 1 Dependencies FIA_UID 1 FIA_UID 2I 6 FIA_UAU 6 Re authenticating FIA_UAU 6 1 The TSF shall re authenticate the
48. the administrator function S MIME certificate automatic registration function It is the function to register the certificate for S MIME conforms to ITU T X 509 with each transmission address automatically When a certificate is attached in received e mail recognizes user ID according to the information of e mail header and registers the certificate as certificate of the same user ID TOE uses effectively the security function of external entity as HDD and CF The following explains the major functions related to the external entity 1 2 Utilization of HDD Lock Function HDD as an external entity has the HDD lock function as measure against the illegal taking out when the password is set The administrator function does the operation setting of this function As for the starting operation of MFP the access to HDD is permitted by the matching of the HDD lock password set to the HDD and the one set on the MFP Even if HDD is taken out it is impossible to use it excluding the MFP that the concerned HDD installed Utilization of CF Lock Function CF as an external entity has the CF lock function as measure against the illegal taking out when the password is set The administrator function does the operation setting of this function As for the starting operation of MFP the access to CF is permitted by the matching of the CF lock password set to the CF and the one set on the MFP Even if CF is taken out it is impossib
49. the authorized identified roles assignment list of security attributes User attributes of user box that is set the Account ID selection change default query modify delete assignment other operations modify modify to user ID public or other account ID assignment he authorized identified roles User who is permitted to use that account Administrator assignment access control SFP information flow control SFP User box access control Hierarchical to other components Dependencies FDP ACC 1 or FDP IFC 1 FDP ACC 1 1D FMT SME1 FMT SME1 FMT SMR 1 FMT SMR 1 2 FMT_SMR 1 6 FMT_MSA 3 1 Static attribute initialization FMT_MSA 3 1 1 The TSF shall enforce the assignment access control SFP information flow control to provide selection choose one of restrictive permissive assignment other property default values for security attributes User attributes of the user box that are used to enforce the SFP selection choose one of restrictive permissive assignment other property Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 59 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target assignment othe
50. the user attribute of the user box that is set account ID to the user who is permitted the access to the group user box For the user box attribute of the user box file the user box attribute value of the selected user box as storage is set by FMT MSA 3 3 Necessary requirement to manage the subject attribute related with the group user box FMT MTD 1 11 restricts the registration of the account ID and account password only to the administrator Also FMT MTD 1 3 restricts the modification of the account ID and account password only to the administrator FMT MTD 1 12 restricts the registration of the belonging account assigned to the user to the administrator and to the user who is permitted the use of the account FIA_SOS 1 5 verifies the quality of the account password lt Management of the account authentication method gt FMT MOF 1 3 restricts the behavior management of the account authentication function and the stop operation management to the administrator lt Necessary requirement to keep the administrator secure gt gt refer to set admin lt Necessary requirement to keep the service engineer secure gt gt refer to set service lt Role and controlling function for each management gt As the role of doing these managements FMT_SMR 1 2 maintains an administrator and FMT_SMR 1 6 maintains a user permitted the use of the group user box FMT SMFE 1 specifies these management functions This security objec
51. the user box password satisfies the following requirements It is composed of the characters and by the number of digits shown in Table 12 It shall not be composed of one kind of character Specify a registered user and change to a personal user box for the registered user As described above FIA SOS 1 b FMT MSA 1 3 FMT_SMF1 and FMT SMR 1 6 are realized 7 6 F PRINT Secure Print Function ID amp Print Function F PRINT is a security function related to the secure print function and ID amp print function It provides the access control function that allows the printing and displaying the list of the secure print file after authenticating if a user 1s the authorized person to use the secure print file for the access to the secure print file from the panel to the identified and authenticated user Moreover for the user who was identified and authenticated as a registered user when ID amp print files are accessed from the panel F PRINT provides the access control function that allows the printing and displaying the list of only the ones registered by the user 7 6 1 Secure Print Function 1 Authentication function by the secure print password When the user is identified and authenticated as the registered user it authenticates that the accessing user is a user to whom the use of the secure print file concerned is permitted in Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 110 117
52. to the address that isn t intended when the network setting that relates to the transmission is illegally changed This is concerned about a possibility that the user box file is transmitted to the specified server illegally without the change of the network environment constitution by the malicious person by for instance illegally being changed the address of the SMTP server that relays E mail for the E mail or illegally being changed the address of the DNS server where the domain name is inquired when the address of the SMTP server is used for a search of the domain name For FTP transmission by being likely to use the mechanism of the search of the domain name is concerned about the similar possibility of the incident might be occurred by E mailing Furthermore when the network setting which is related to the address of MFP is modified illegally it assumes the possibility to use the print function to the unauthorized entity from client PC by the user who believes as TOE Especially it becomes a problem if a secure print file or an ID amp print file which is required to be concealed from other users in the office 1s transmitted to the unauthorized entity The setting of PC FAX operation and the setting of TSI reception assumes the possibility of unintended box file storing at FAX reception On the other hand O CONFIG regulates that the role to operate the network setting relating to the transmission of TOE the setting of PC FAX operation and th
53. use of the user box FMT_SMF 1 specifies these management functions Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 75 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target This security objective is satisfied by the completion of these multiple functional requirements O PUBLIC BOX a public user box access control This security objective permits the inspection of the public user box to all users and limits the setting of the public user box and the operation of the user box file in the public user box only to the user who permitted the utilization of that public user box And it needs the various requirements that related to the access control User box access control a public user box After the user has been identified and authorized the user ID is related to the task of acting a use by FIA_ATD 1 and FIA_USB 1 ACC 1 1 and FDP_ACF 1 1 permits the list display operation to the user box where public is set to the user attribute to the task of acting the user who has user ID It is required to be a user who is permitted the use of the user box to operate the user box file in the public user box UID 2 5 and UAU 2 5 identifies and authenticates that it is a user who is permitted the use of the user box FIA UAU re
54. user implement the following operation Keep the user password and secure print password confidential Keep the user box password and account password confidential between the user who commonly utilizes it Should not set the value that can be guessed for the user password secure print password and the user box password The user password and the user box password should be properly changed When the administrator changes the user password or the user box password make the user to change them promptly The administrator executes the following operation Should not set the value that can be guessed for the administrator password the account password SNMP password the HDD lock password the CF lock password WebDAV server password and encryption passphrase Especially not set WebDAV server password equall or less than 7 digits Keep the administrator password account password the SNMP password the HDD lock password WebDAV server password and the encryption passphrase confidential The administrator password the account password the SNMP password the HDD lock password the CF lock password WebDAV server password and the encryption Passphrase should be properly changed The service engineer executes the following operation Should not set the value that can be guessed for the CE password Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 28 117 bizhub 501 bizhub 421 bizhub 361 ine
55. user with a user ID to list and print the ID amp print file with the user attribute consistent with the user ID For the user attribute set in the ID amp print file the user ID of the user who registers the file when the file is registered is set by FMT MSA 3l4 Operation management of the ID amp print function Management of this operation mode is limited only to the administrator by MOF 1 2 Necessary requirement to keep the administrator secure gt refer to set admin lt Necessary requirement to keep the service engineer secure gt gt refer to set service lt Role and controlling function for each management gt As the role of doing these managements FMT SMR 1 2 maintains an administrator and FMT SMR 1 3 maintains a user Moreover FMT SMEI specifies these management functions This security objective is satisfied by the completion of these multiple functional Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 79 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target requirements O CONFIG Access limitation to an management function This security objective limits the setting related to the SMTP server the setting related to the DNS server the setting related to the Enhanced Security function the backup function a
56. 08 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 26 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target function by user information management server using ActiveDirectory O CRYPTO CAPABILITY The support operation to utilize cryption function TOE supports the necessary operation to utilize the cryption function by cryption kit O LOCK HDD CAPABILITY The support operation to utilize HDD lock function TOE supports the necessary operation to utilize the HDD lock function by HDD O LOCK CF CAPABILITY The support operation to utilize CF lock function TOE supports the necessary operation to utilize the CF lock function by CF 4 2 Security objectives for the operation environment In this section the security objectives for the environment in the operation environment of the usage of the TOE is described OE CRYPT Utilization of Encryption function The admnistrator buys a license of encryption protection chip to set encryption of image files stored in HDD under this TOE Then the administrator sets encryption kit with service engineer to encrypt image files to be written in HDD inside OE FEED BACK Utilization of application to show secure password The administrator and user utilize the application of a browser etc used by client PC to access that
57. 22 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 5 Extended Components Definition 5 1 Extended Function Component In this ST three extended function components are defined The necessity of each security function requirement and the reason of the labeling definition are described FAD RIP 1 This is the security function requirement for the protection of the remaining information of user data and TSF data Necessity of extension The regulation for the protection of the TSF data remaining information is necessary But the security function requirement to explain the protection of the remaining information exists in FDP_RIP 1 for the user data There is no security function requirement to satisfy this requirement Reason for applied class FAD There is no requirement to explain both of the user data and the TSF data with no distinction Therefore new Class was defined Reason for applied family RIP As this is the extension upto the TSF data by using the content explained by the relevant family of FDP class the same label of this family was applied FIA EID 1 This is the security function requirement for regulating the conditions at the access to external entity from TOE Necessity of extension This is the approval of the action involved by TOE istsef to the external entity not the action of access to TOE from the external entity There is no security function require
58. 4 1 Security Objectives for the TOE In this section the security objectives for the TOE is identified and described O REGISTERED USER Utilization of registered user TOE permits only the registered user to user the MFP installing TOE O PRIVATE BOX Personal user box access control e TOE permits only a user to use the user function of the personal user box which this user owns e TOE permits only a user to use the user function of the use box file in the personal user box which this user owns O PUBLIC BOX Public user box access control e TOE permits the registered user the reading operation of the public user box e TOE permits the user function of the public user box only to the user who is permitted the use of this public user box e TOE permits the user function of the user box file in the public user box only to the user who is permitted the use of this public user box O GROUP BOX Group user box access control e TOE permits the user function of the group user box which this account owns only to the user who is permitted the use of this account e TOE permits the user function of the user box file in the group user box which this account owns only to the user who is permitted the use of this account O SECURE PRINT Access control for secure print files and ID amp print files e TOE permits the print of a secure print file only to the user who was allowed to use the file e TOE permits the print of an ID amp print file
59. AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Dependencies No dependencies FIA_SOS 1 3 Verification of secrets FIA_SOS 1 1 3 The TSF shall provide a mechanism to verify that secrets User Password meet assignment a defined quality metric assignment a defined quality metric Number of digits 8 digits or more Character type possible to choose from 95 or more characters Rule Do not composed by only the same kind of character strings Hierarchical to No other components Dependencies No dependencies FIA SOS 1 4 Verification of secrets FIA SOS 1 1 4 The TSF shall provide a mechanism to verify that secrets HDD Lock Password CF Lock Password Encryption passphrase meet assignment a defined quality metric assignment a defined quality metric Number of digits 20 digits Character type possible to choose from 83 or more characters Rule 1 Do not compose by only the same kind of character strings 2 Do not set the same password or passphrase as the current setting Hierarchical to No other components Dependencies No dependencies FIA SOS 1 5 Verification of secrets FIA SOS 1 1 5 The TSF shall provide a mechanism to verify that secrets Secure Print Password Box Password Account Password meet assignment a defined quality metric assignment a defined quality metric Number of digits 8 digits or more
60. Box Function 1 Access control function for Group User Box The task to act for the identified and authenticated user has the Account ID as the Account Name that is related to the identified and authenticated user This task is permitted the display of the list of the group user box which has a corresponding user attribute with this account ID As described above FIA_ATD 1 USB 1 FDP ACC 1 1 and FDP_ACF 1 1 are realized 2 Access control function to a user box file in a group user box When the user box to operate is selected User Box ID of the user box is related to the task as a user box attribute in addition to the user attribute This task is permitted to the user box file with the user box attribute corresponding to the user box attribute of subject attribute the printing the E mail transmission include the S MIME transmission the FTP transmission the FAX transmission the SMB transmission WebDAV transmission download the removing to other user boxes and the copy operations to other user boxes As described above FIA_ATD 1 USB 1 FDP_ACC 1 1 and ACFE 1 1 are realized 3 User attribute change of a group user box The user attributes can be changed gt If another account ID is specified the user of another Account Name becomes an accessible group user box gt If public is specified it becomes a public user box It is necessary to register the user box password In this case it is verified that
61. C 1 1 FDP_ACF 1 1 are realized 2 Access control function to a user box file in a personal user box When the user box to operate is selected User Box ID of the user box is related to the task as a user box attribute in addition to the user attribute This task is permitted to the user box file with the user box attribute corresponding to the user box attribute of itself the printing the E mail transmission include the S MIME transmission the FTP transmission the FAX transmission the SMB transmission WebDAV transmission download the removing to other user boxes and the copy operations to other user boxes As described above FIA_ATD 1 FIA USB 1 FDP_ACC 1 1 ACF 1 1 are realized 3 User attribute change of a personal user box The user attributes can be changed gt If another registered user is specified it becomes a personal user box that another user manages gt Ifpublic is specified it becomes a public user box It is necessary to register the user box password In this case it is verified that the user box password meets the following requirements It is composed of the characters and by the number of digits shown in Table 12 It shall not be composed of one kind of character gt lIfaccount ID is specified it becomes a group user box that can be accessed by a user who is permitted the use of the concerned account As described above FIA_SOS 1 5 FMT MSA1 1 FMT SME1 and FMT SMR 1 2 are rea
62. CII code 0x21 0x7E except 0x22 and Ox2B Number 0 9 Alphabet Capital letter and small letter Symbols amp G ae Ge sony 83 characters in total can be selected ASCII code 0x21 0x7E except 0x22 0x28 0x29 0x2C 0x3A 0x3B Ox3E Ox3F 0x5B 0x5C and 0x5D Number 0 9 Alphabets Capital letter and small letter Symbols amp lt 5 as LES 84 characters in total can be selected ASCII code 0x21 0x7E except 0x22 0x28 0x29 Ox2C 0x3A 0x3B Ox3E 0x5B 0x5C and 0x5D Number 0 9 Alphabets Capital letter and small letter Symbols amp lt 2 8 t0 l DELE 95 character in total can be selected ASCII code 0x21 0x 7E Number 0 9 Alphabets Capital letter and small letter Symbols amp 7 5 y lee 10 54 yl alee SPACE Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 92 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target SNMP Password 8 digits or 93 characters in total can be selected Privacy Password more ASCII code 0x20 Ox 7E except 0x5C Authentication Password Number 0 9 Alphabets Capital letter and small letter Symbols amp 6 2 7 4 5 OM MS eR cree EX PES d 7 1 2
63. Character type possible to choose from 95 or more characters Rule Do not composed by only the same kind of character strings Hierarchical to No other components Dependencies No dependencies FIA_SOS 1 6 Verification of secrets FIA_SOS 1 1 6 The TSF shall provide a mechanism to verify that secrets Session Information meet assignment a defined quality metric assignment a defined quality metric 10 10 and above Hierarchical to No other components Dependencies No dependencies FIA_SOS 1 7 Verification of secrets FIA_SOS 1 1 7 The TSF shall provide a mechanism to verify that secrets WebDAV server password meet Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 53 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target assignment a defined quality metric assignment a defined quality metric Character type possible to choose from 95 or more characters Hierarchical to No other components Dependencies No dependencies FIA_SOS 2 TSF Generation of secrets FIA SOS 2 1 The TSF shall provide a mechanism to generate secrets Session information that meet assignment a defined quality metric assignment a defined quality metric 10 and above
64. D00 G00 11 Security Target when it is verified that the illegal HDD is not installed and is confirmed validity when the HDD lock password is set to HDD When the HDD lock password is set to HDD the status of HDD is confirmed in the HDD operation verifying at the time of TOE starting When the HDD lock password certainly being set is returned as the result of status confirmation the access to HDD is permitted If the HDD lock password not being set is returned the access to HDD 1s refused because of an illegitimate possibility As described above FIA_EID 1 1 is realized 7 10 EVALIDATION CF CF verification function EVALIDATION CF is a check function to permit reading from and writing in the CF only when it is verified that the illegal CF 1s not installed and 1s confirmed validity when the CF lock password is set to CF When the CF lock password is set to CF the status of CF is confirmed in the CF operation verifying at the time of TOE starting When the CF lock password certainly being set is returned as the result of status confirmation the access to CF is permitted If the CF lock password not being set is returned the access to CF is refused because of an illegitimate possibility As described above FIA_EID 1 2 is realized 7 11 RESET Authentication Failure Frequency Reset Function F RESET is a function that releases the lock by resetting the authentication failure frequency when the account locks in the administrator authent
65. Dependencies No dependencies TSF data remaining in the HDD data area that cannot be deleted only by the deletion of the file management area Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 68 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 6 1 1 8 Extension Approval of access destination Identification of IT environment becoming an access object from TOE FIA EID 1 1 FIA EID 1 1 1 TSF shall demand to succeed in the IT environment entity s HDD identification before the action is taken to IT environment entity s HDD by TOE FIA NEW 1 2 1 TSF shall stop the start of the action to IT environment entity s HDD identification by TOE if the IT environment entity s HDD identification is failed Hierarchical to No other components Dependencies dependencies Identification of IT environment becoming an access object from TOE FIA EID 1 2 FIA EID 1 1 2 TSF shall demand to succeed in the IT environment entity s CP identification before the action is taken to IT environment entity s CP by TOE FIA NEW 1 2 2 TSF shall stop the start of the action to IT environment entity s CP identification by TOE if the IT environment entity s CP identification is failed
66. FIA SOS 2 2 The TSF shall be able to enforce the use of TSF generated secrets for assignment Jist of TSF functions assignment Zist of TSF functions Administrator authentication Access through the network User authentication Access through the network User box authentication Access through the network Hierarchical to other components Dependencies dependencies FIA_UAU 2 1 User authentication before any action FIA_UAU 2 1 1 The TSF shall require each user Service Engineer to be successfully authenticated before allowing any other TSF mediated actions on behalf of that user Service Engineer Hierarchical to FIA_UAU 1 Dependencies FIA_UID 1 FIA_UID 2 1 FIA_UAU 2 2 User authentication before any action FIA_UAU 2 1 2 The TSF shall require each user Administrator to be successfully authenticated before allowing any other TSF mediated actions on behalf of that user Administrator Hierarchical to FIA UAU 1 Dependencies UID 1 UID 2 2 FIA_UAU 2 3 User authentication before any action FIA_UAU 2 1 3 The TSF shall require each user User to be successfully authenticated before allowing any other TSF mediated actions on behalf of that user User Hierarchical to FIA_UAU 1 Dependencies FIA_UID 1 UID 2 3 FIA_UAU 2 4 User authentication before any action FIA_UAU 2 1 4 The TSF
67. FMT_SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT SMF 1 MT SMR 1 MT 5 1 MT SMR 1 MT SMFE 1 MT SMR 1 mj oui is S uim mim Sui E E E ry yy Hon None Dependencies Relation in this ST to correspond with the user box Therefore the value only has to be given at the time of storage It is not necessary to change the value of this attribute at the time of other operational timing Accordingly unnecessary lt FMT_SMR 1 gt The assignment of FMT_MSA 3 2 3 is not applicable FMT_SMR 1 is the dependency that is set relating to the following and so there application management requirement is is no necessity of Neither is applicable lt The reason not to apply FMT MSA 1 It is the concept of ID amp print that the object is a print object to which only the person who registered it can access so it is not assumed that the object is transferred to any other user Consequently it is not necessary to change the value of the attribute when the user performs operations other than registration so that the management requirement 1s unnecessary FMT SMR 1 The assignment of FMT MSA 3 2 4 is not applicable FMT SMR 1 is the dependency that is set relating to the following and so there plication MT SMF 1 MT SMR 1 2 MT SMF 1 MT SMR 1 2 FMT_SMR 1 3
68. HDD lock password and to release the HDD lock function for the HDD lock function achieved by the HDD This security objective is satisfied by the completion of this function requirement O LOCK CF CAPABILITY Support action to use the CF lock function This security objective regulates that TOE S support action refuses the unauthorized access from MFP other than the one that is set by the CF that is the entity out of TOE and needs various requirements that regulates the support of external entity action Applying FIT CAP 1 4 the support function to change the CF lock password and to release the CF lock function for the CF lock function achieved by the CF This security objective is satisfied by the completion of this function requirement set admin Set of necessary requirement to keep administrator secure Identification and Authentication of an administrator FIA UID 2 2 and UAU 2 2 identifies and authenticates that the accessing user is a administrator FIA_UAU 7 returns for each character entered as feedback protected in the panel and supports the authentication AFL 1 8 refuses in case of the failure authentication tried from the panel all the input receipts from the panel for five seconds in every failure When the failure authentication reaches 1 3 times FIA AFL 1 2 logoffs if its under authentication and locks all the authentication functions that use the administrator password from then on The release f
69. ID registered is specified As described above FIA_SOS 1 5 FMT_MSA 3 1 FMT MTD 1 5 FMT SME1 and FMT SMR 1 3 are realized Automatic registration of user box In the user box operation to store of the copy job and the print job when the specified user box is unregistered the personal user box which is set the user ID of the user who operates the job concerned is automatically registered As described above FMT MSA 3 1 and FMT_SME 1 are realized Registration of user box file gt In the new registration operation move or copy operation of user box file the user box ID equivalent to the user box specified as target storage is set to the user box attribute as the user box file As described above FMT MSA 3 3 is realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 107 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 7 5 1 Personal User Box Function 1 Access control function to personal user box The task to act for the identified and authenticated user has User ID of the user who is identified and authenticated for the user attribute This task is permitted the display of the list of the personal user box which has a corresponding user attribute with this user attribute As described above FIA_ATD 1 FIA USB 1 FDP_AC
70. L 1 2 FIA_AFL 1 3 FIA_AFL 1 4 FIA_AFL 1 5 FIA_AFL 1 6 FIA_AFL 1 7 FIA_AFL 1 8 FIA_AFL 1 9 FIA_ATD 1 FIA_SOS 1 1 FIA_SOS 1 2 FIA_SOS 1 3 FIA_SOS 1 4 FIA_SOS 1 5 FIA_SOS 1 6 FIA_SOS 1 7 Dependencies on CC Part 2 FDP_ACF1 FDP_ACF1 1 FDP_ACF1 FDP_ACF 1 2 FDP_ACF1 FDP_ACF1 3 FDP_ACF1 FDP_ACF 1 4 FDP_ACC 1 FMT_MSA 3 FDP ACC 1 FDP_ACC 1 2 FMT MSA 3 FMT 3 2 FDP_ACC 1 FMT_MSA 3 FDP_ACC 1 FMT_MSA 3 FIA UAU FIA UAU FIA_UAU 214 FIA_UAU 2L Bele e FIA_UAU n FIA UAU 1 FIA_UAU 2I 2 Dependencies Relation in this ST A NETWORK is realized Also the attribute information of encryption key doesn t apply to the security attribute used for the access control etc is not related to the initialization etc so there is no necessity to apply In FMT MTD 1 11 it is expressed as registration of TSF data and the object of import operation is assigned to an appropriate role As a result the event corresponding to the key imported management is explained by using not the security requirement that is showed in the dependencies but other security requirement so that it s no problem even if this dependencies is not satisfied lt The reason not apply FCS_CKM 4 gt The Encryption Key is stored constantly for the stored data The arbitrary access to the storring media is difficult so it is not ne
71. Link 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 1 4 2 Phisical Range of TOE 1 4 2 1 Environment for the usage Figure 1 shows the expected general environment for the usage of MFP equipped with TOE Moreover the matters expected to occur in the use environment are listed below Office MEP E A SMTP Server DNS Server Berver HL I Il Firewall Public line External Network User Information Management WebDAV Server Server Client PC Figure 1 An example of the expected environment for usage of the MFP The intra office LAN exists as a network in the office MFP is connected to the client PCs via the intra office LAN and has mutual data communications When the SMTP server or FTP server or WebDAV server are connected to the intra office LAN the MFP can carry out data communication with these Need the DNS Service when setting the Domain name of SMTP Server or FTP Server or WebDAV server The case which is unifying management of the user ID and the user password in the server also assumes In this case TOE can control the access to the MFP by using the user registration information in the user information management
72. Link 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target FMT MTD 1 6 Management of TSF data FMT MTD 1 1 6 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operationsl the assignment list of TSF data to assignment the authorized identified roles assignment list of TSF data Administrator password selection change default query modify delete clear assignment other operations modify assignment the authorized identified roles Administrator Service Engineer Hierarchical to No other components Dependencies FMT 1 SME 1 FMT SMR 1 FMT SMR 1 1 FMT SMR 1 2 FMT MTD 1 7 Management of TSF data FMT MTD 1 1 7 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operationsl the assignment list of TSF data to assignment the authorized identified roles assignment list of TSF data SNMP password User password Account password User box password Secure print password Enryption passphrase WebDAV server password selection change default query modify delete clear assignment other operations query assignment the authorized identified roles Administrator Hierarchical to No other components Dependencies FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT SM
73. Link 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target FIA UID 2 2 User identification before any action FIA UID 2 1 2 The TSF shall require each user Administrator to identify itself before allowing any other TSF mediated actions on behalf of that user Administrator Hierarchical to FIA_UID 1 Dependencies No dependencies FIA_UID 2 3 User identification before any action FIA_UID 2 1 3 The TSF shall require each user User to identify itself before allowing any other TSF mediated actions on behalf of that user User Hierarchical to _ FIA_UID 1 Dependencies No dependencies FIA UID 2 4 User identification before any action FIA UID 2 1 4 The TSF shall require each user User who is permitted to use secure print file to be successfully identified before allowing any other TSF mediated actions on behalf of that user User who is permitted to use secure print file Hierarchical to FIA_UID 1 Dependencies No dependencies FIA UID 2 5 User identification before any action FIA UID 2 1 5 The TSF shall require each user User who is permitted to use the public user box to be successfully identified before allowing any other TSF mediated actions on behalf of that user User who is permitted to use the public user box Hierarchical to FIA UID 1 Dependencies No dependencies
74. OUP BOX Group user box access control This security objective permits the browser of the group box only to the user who is permitted the use of the account and limits the operation of the user function of the box file in the group user box set of the group box only to the user who is permitted the use of the group user box and requires various requirements that relate to the access control User box access control a group user box After the user has been identified and authorized the user ID is related to the task of acting a use by FIA ATD 1 and FIA USB 1 And after the account has been authorized the account ID is related to the task of acting a use by FIA ATD 1 and FIA_USB 1 FDP_ACC 1 1 and FDP_ACF 1 1 permits a task to act for the user to operate the list to the user box group user box where the user attribute corresponded with the Account Name account ID in the security attribute of the subject is set It is required to be a user who is permitted the use of the group user box to operate the user box file in the group user box When the Account authentication method is the method not synchronized UID 2 6 and FIA_UAU 2 6 identifies and authenticates that it is a user who is permitted the use of the group user box When the account authentication method is synchronized method and the Account that user belongs to is not registered FIA_UID 2 6 and FIA_UAU 2 6 identifies and authenticates that it is a user who is pe
75. Operational Settings Condition This condition assumes the enhanced security function operational settings condition is satisfied OE SETTING SECURITY regulates that this is used after the administrator activates the enhanced security function so that this condition is realized 4 3 3 Sufficiency of Threats The security objectives against threats are described as follows Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 31 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target T DISCARD MFP Lease return and disposal of This threat assumes the possibility of leaking information from MFP collected from the user O OVERWRITE ALL is that TOE offers the function to overwrite data for the deletion of all area of HDD and initializes the information of NVRAM and CF so that the possibility of the threat is removed by executing this function before MFP is collected Accordingly this threat is countered sufficiently T BRING OUT STORAGE Unauthorized taking out of HDD This threat assumes the possibility that the image data in HDD leaks by being stolen from the operational environment under MFP used or by installing the unauthorized HDD and taking away with the data accumulated in it For the above the possibility of the threat is reduced because the HDD l
76. PABILITY O LOCK HDD CAPABILITY O LOCK CF CAPABILITY O AUTH CAPABILITY O CONFIG O OVERWRITE ALL N d E L E E E E VA EL m X x xu c LX X SENE urs i son PEE TE DE gt lt Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 30 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 4 3 2 Sufficiency of Assumptions The security objectives for the assumptions are described as follows A ADMIN Personnel Conditions to be an Administrator This condition assumes that administrators are not malicious With OE ADMIN the organization that uses the MFP assigns personnel who are reliable in the organization that uses the so the reliability of the administrator is realized A SERVICE Personnel Conditions to be a Service Engineer This condition assumes the service engineer are not malicious With OE SERVICE the organization that manages the maintenance of the MFP educates the service engineer Also the administrator needs to observe the maintenance of the MFP so that the reliability of service engineers is assured A NETWORK Network Connection Conditions for th
77. R 1 2 FMT MTD 1 8 Management of TSF data FMT_MTD 1 1 8 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operations the assignment list of TSF data to assignment the authorized identified roles assignment list of TSF data Secure print password selection change default query modify delete clear assignment other operations lassignment other operations Registration assignment the authorized identified roles User Hierarchical to No other components Dependencies FMT_SMF 1 1 FMT SMR 1 FMT SMR 1 3 FMT 1 9 Management of TSF data FMT_MTD 1 1 9 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operations the assignment List of TSF data to assignment the authorized identified roles assignment list of TSF data Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 63 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target CE password CE authentication lock time selection change default query modify delete clear assignment other operations modify assignment the authorized identified
78. R50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 6 IT Security Requirements In this chapter the TOE security requirements are described Definition of Label The security function requirements required for the TOE are described Those regulated in CC Part 2 will be directly used for the functional requirements components and the same labels will be used as well The new additional requirement which is not described in CC part 2 1s newly established and identified with the label that doesn t compete with CC part 2 Method of specifying security function requirement Operation gt In the following description when items are indicated in italic and bold it means that they are assigned or selected When items are indicated in italic and bold with parenthesis right after the underlined original sentences it means that the underlined sentences are refined number in the parentheses after a label means that the functional requirement is used repeatedly Method of clear indication of dependency The label in the parentheses in the dependent section indicates a label for the security functional requirements used in this ST When it is a dependency that is not required to be used in this ST it is described as N A in the same parentheses 6 1 TOE Security Requirements 6 1 1 TOE Security Function Requirements 6 1 1 1 Cryptographic Support FCS CKM 1 Cryptographic key gene
79. Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 18 performed The service engineer executes the following operation After the operation of the various function in service mode ends the logoff operation is performed OE ADMIN A reliable administrator The responsible person in the organization who uses MFP will assign a person who can faithfully execute the given role during the operation of the MFP with TOE as an administrator OE SERVICE The service engineer s guarantee The responsible person in the organization managing the maintenance of MFP educates a service engineer in order to faithfully carry out the given role for the installation of the TOE the setup of TOE and the maintenance of the MFP with TOE The administrator observes the maintenance work of MFP with TOE by a service engineer OE NETWORK Network Environment in which the is connected The responsible person in the organization who uses MFP carries out the tapping prevention measures by setting the cipher communications equipment and the tapping detection equipment to the LAN of the office where MFP with TOE is installed The responsible person in the organization who uses MFP carries out the measures for the unauthorized access from the outside by setting up the equipment such as the firewall to intercept the access from an external network to MFP with TOE OE SECRET Appropriate management of confidential information The administrator has the
80. abilities are required In addition it is desirable that it has a development environment control a configuration management for the TOE and a secure distribution procedure And therefore the selection of EAL3 which provides an adequate assurance level is reasonable The secure requirement dependency analysis is assumed to be appropriate because the package EAL has been selected therefore details are not discussed Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 90 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 7 TOE Summary Specification The list of the TOE security function led from the TOE security function requirement is shown in the following Table 11 The detailed specification is explained in the paragraphs described below Table 11 The list of the name and identifier of TOE Security function 5 6 FPRINT Secure print function ID amp print function 9 FVALIDATION HDD HDD validation function 10 m 12 13 F S MIME S MIME encryption processing function 14 F SUPPORT AUTH External Server authentication operation support function 15 F SUPPORT CRYPTO Cryption kit operation support function 16 F SUPPORT HDD HDD lock operation support function 17 FSUPPORT CF CF lock operation support fun
81. able values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Authentication for accessing the service mode Re authentication for changing the CE password Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 47 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values lassignment range of acceptable values an administrator configurable positive integer within 1 3 FIA AFL 1 2 1 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall assignment Zist of actions selection met surpassed Surpassed assignment list of actions lt Action when it is detected gt Log off from the authentication status of the service mode if it is and lock the authentication function which uses the CE password If it s not under the authentication status lock the authentication function which uses the CE password lt Operation for recovering the normal condition gt Perform the lock release function of CE authentication by specitic op
82. acter as feedback protected by the panel and supports the authentication In the case of the failure authentication from the panel FIA AFL 1 8 refuses all input acceptances from the panel for 5 seconds in every failure When the authentication failure reaches 1 3 times FIA_AFL 1 4 locks the authentication function for that user from then on This lock status is released by the administrator s release operation FMT MOF 1 2 permits only the administrator the selection of the user authentication methods which are Machine authentication and External server authentication FMT MTD 1 3 permits only the administrator the setting modification of the threshold of the Authentication failure frequency which 1s the trial frequency of the failure authentication in the user authentication FIA SOS 1 6 secures the quality verification of the session information used in the user authentication via the network and SOS 2 secures the quality of the session information which is generated and used Necessary requirements for managing session of user who is identified and authenticated gt The duration of session of the user who is identified and authenticated contributes to reduce the chance of attacking associated with unnecessary session connection by ending the session after the panel automatic logoff time elapses with 551 3 when it logs in from the panel The change in the panel auto logoff time is limited to the administrator by FMT MTD
83. and for each the SFP relevant security attributes or named groups of SFP relevant security attributes lt Subject gt Subject attributes gt A task to act for a user 2 User Attribute User ID Account Name Account ID User Box Attribute User Box ID Administrator Attribute lt Object gt lt Object attributes gt User Box 2 User Attribute User ID or Public or Account ID User Box File 2 User Box Attribute User Box ID assignment access control SFP User Box access control FDP ACF 1 2 1 The TSF shall enforce the following rules to determine if an operation among controlled subjects and controlled objects is allowed assignment rules governing access among controlled subjects and controlled objects using controlled operations on controlled objects 9The MFP address group object is a series of data concerning the address of the main body of MFP such as IP address and the Appletalk printer name Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 441117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target assignment rules governing access among controlled subjects and controlled objects using controlled operations on controlled objects Operation control to Personal user box A task to act for a user is permitted t
84. and locks all the authentication functions to use the administrator password The access to the administrator mode is refused gt The administrator specifies the failure frequency threshold by the unauthorized access detection threshold setting function F RESET works or the lock release function of the administrator authentication function in F SERVICE is carried out so that the lock of the authentication function is released Verify the new administrator password if the following qualities are satisfied gt Itis composed of the characters and by the number of digits shown in the Table 12 gt Itshall not be composed of one kind of character gt It doesn t match with the current value As described above FIA_AFL 1 2 FIA SOS 1 1 UAU 6 UAU 7 FMT MTD 1l6 FMT _SMF1 and FMT SMR 1 2 are realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 93 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 7 1 3 2 User Settings User Registration Only the user who uses with the machine authentication as User authentication method User is registered by setting the user ID Though user ID is composed of the user name and the authentication server information 2 only user name is registered in case of the machine authenticati
85. are AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target diagnosis function described later via public line It is not pre installed in MFP as standard according to the circumstances in sales but is sold as an optional part Scan Unit An automatic manuscript feeder The device that scans images and photos from a paper and converts them into the digital data Printer Unit The device that actually prints the converted image data for printing when demanded to print by the MFP controller RS 232C The serial connection can be done It can utilize a remote diagnostic function later description to connect with the modem connected with the public circuit 1 4 2 3 Guidance bizhub 501 421 361 Service Manual Security Function Japanese bizhub 501 421 361 ineo 501 421 361 VarioLink 5022 4222 3622 Service Manual Security Function English bizhub 501 421 361 User s Guide Security Operations Japanese bizhub 501 421 361 User s Guide Security Operations English ineo 501 421 361 User s Guide Security Operations English VarioLink 5022 4222 3622 User s Guide Security Operations English 1 4 3 Logical Range of TOE A User uses a variety of functions of the TOE from the panel and a client PC via the network The following explains typical functions such as the basic function the user box function to manage the image files stored the user identification and authentication function the administrator f
86. assWord sss eese 106 7 5 F BOX User Box Function ere reta e Lee e Erebi sd Geetha 107 7 9 1 Personal User BOX FUNCION tie pU ei o Er e rte eli PE Are ERU ins 108 7 5 2 Public User Box F nclion i Io OW RC atn ied 108 7 5 3 Group User Box F nction ne Ea e Tdi e eR de bao 110 7 6 F PRINT Secure Print Function ID amp Print Function 110 7 6 1 Secure Print Function rtu rua et ee dd tnt eg ie 110 7 6 2 ID amp print FUNGON sz su etate ic ad ae ot uite eei cub clt edo ut ed fte dat ge 111 7 7 FOVERWRITE ALL All area overwrite deletion function 112 7 8 F CRYPT Encryption key generation function 113 7 9 F VALIDATION HDD HDD verification function 113 7 10 F VALIDATION CF CF verification function eessssseseeneennennemeeennnnn 114 7 11 F RESET Authentication Failure Frequency Reset 114 7 12 F TRUSTED PASS Trust Channel 114 7 13 5 S MIME Encryption Processing 115 7 14 FSUPPORT AUTH External Server authentication operation support function 115 7 15 FSUPPORT CRYPTO Cryption kit operation support
87. ation function of CE authentication lock time by service engineer Operation function of Maintenance function by service engineer Overwrite function for the default value of the user attribute of the user box by the user A part of a backup function corresponds to the inquiry function of TSF data A part of the restoration function corresponds to the modification function of the TSF data Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 65 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Modification function of user password when method of user authentication is machine authentication by user Registration function of user box password by user Modification function of user attribute of user box by user Registration function of Belonging Account of user oneself by user who is permitted the use of the account User box registration function by user Automatic Personal user box registration function by user box stored job that specifies unregistered box by user Machine non registered users user ID automatic registration function with external server when user authentication method is external server authentication Registration function of secure print password according to secure print file registration by user Modification func
88. ation when changing the WebDAV server password Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 51 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target selection assignment positive integer number an administrator configurable positive integer within lassignment range of acceptable values lassignment range of permissible values Positive integer values of 1 to 3 that the administrator can set FIA AFL 1 2 9 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall assignment List of actions selection met surpassed Surpassed assignment ist of actions Action when it is detected Deny access by WebDAV and lock the authentication function which uses the WebDAV server password Operation for recovering the normal condition Execute the erasure function of the number of times of authentication failure provided in the administrator mode Hierarchical to No other components Dependencies FIA_UAU 1 FIA UAU 2 2 FIA_ATD 1 User attribute definition FIA_ATD 1 1 The TSF shall maintain the following list of security attributes belonging to individual users assignment Jist of security attribute
89. based on security attributes that explicitly authorize access of subjects to objects A task to act for a user who has a administrator attribute is permitted to back up secure print file FDP ACF 1 4 2 The TSF shall explicitly deny access of subjects to objects based on the assignment rules based on security attributes that explicitly deny access of subjects to objects assignment rules based on security attributes that explicitly deny access of subjects to objects None Hierarchical to No other components Dependencies FDP_ACC 1 FDP_ACC 1 2 FMT MSA 3 FMT_MSA 3 2 FDP_ACF 1 3 Security attribute based access control FDP_ACF 1 1 3 The TSF shall enforce the assignment access control SFP to objects based on the following assignment list of subjects and objects controlled under the indicated SFP and for each the SFP relevant security attributes or named groups of SFP relevant security attributes assignment Jist of subjects and objects controlled under the indicated SFP and for each the SFP relevant security attributes or named groups of SFP relevant security attributes lt Subject gt Subject attributes gt Task substituted for a user gt Administrator attributes lt Object gt SMTP server group object DNS server group object MFP address group object PC FAX operation setting object Transmission Address data object No Object Attribute assignment access control SFP
90. bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target IKONICA MINOLTA bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AORS0Y0 1D00 G00 11 Security Target This document is a translation of the evaluated and certified security target written in Japanese Version 1 07 Issued on April 20 2009 Created by KONICA MINOLTA BUSINESS TECHNOLOGIES INC Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 1 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Revision History Date Ver Division Approvea 2008 10 24 1 00 Development Yamazaki Kakutani Div 11 2008 11 08 1 01 Development Yamazaki Kakutani Div 11 1 2009 1 16 1 04 Development Yamazaki Kakutani Div 11 Development Div 11 2009 1 9 2009 1 14 Development Development Div 11 Development Div 11 Yamazal 2009 3 16 2009 4 20 2009 2 20 1 05 Development Yamazaki Kakutani Div 11 Yamazaki Revision Initial Version Change the transmission address data from TSF data to user data
91. bjects based on the assignment rules based on security attributes that explicitly deny access of subjects to objects assignment rules based on security attributes that explicitly deny access of subjects to objects None Hierarchical to No other components Dependencies FDP_ACC 1 FDP ACC 1 3D FMT MSA 3 N A FDP_ACF 1 4 Security attribute based access control FDP_ACF 1 1 4 The TSF shall enforce the assignment access control SFP to objects based on the following assignment list of the subjects and objects controlled under the indicated SFP and for each SFP relevant security attributes or named groups of SFP relevant security attributes assignment Zist of the subjects and objects controlled under the indicated SFP and for each SFP relevant security attributes or named groups of SFP relevant security attributes lt Subject gt Subject attributes gt Task substituting for a user 2 User attributes user ID Administrator attributes lt Object gt lt Object attributes gt ID amp print file 2 User attributes user ID assignment access control SEP ID amp print file access control FDP ACF 1 2 4 The TSF shall enforce the following rules to determine if an operation among controlled subjects and controlled objects is allowed assignment rules governing access among controlled subjects and controlled objects using controlled operations on controlled objects assignment r
92. cation authentication 91 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 3 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 7 1 2 Auto logoff function of administrator mode essen nnne nnne nnne nennen nnne 93 7 1 3 Function offered in Administrator mode 93 7 2 FADMIN SNMP SNMP administrator 101 7 2 1 Identification and authentication function by SNMP password sse 101 7 2 2 Management function using 102 7 3 F SERVICE Service mode function sse eene enn 103 7 3 1 Service engineer identification authentication function eese einn 103 7 3 2 Function offered in service mode eese setenta 103 7 A E USER User Function tee tta utr tr EAA Eaa naa AKAA ERRARE ea 105 7 4 1 User Identification and Authentication Function 105 7 4 2 Auto logoff function in user identification and authentication domain eese 106 7 4 3 Modification function of user p
93. ce the assignment access control SFP on assignment List of subjects objects and operations among subjects and objects covered by the SFP assignment list of subjects objects and operations among subjects and objects covered by the SFP Listed in Tabel5 Secure print file access control operational list assignment access control SFP Secure print file access control Hierarchical to No other components Dependencies FDP_ACF1 FDP_ACF1 2 Table 5 Secure Print File Access Control Operational List Operational list A task to act for a user Secure Print File Access Control A List of Secure Print Files Print Back Up FDP_ACC 1 3 Subset access control FDP_ACC 1 1 3 The TSF shall enforce the assignment access control SFA on assignment List of subjects objects and operations among subjects and objects covered by the SFP assignment list of subjects objects and operations among subjects and objects covered by the SFP Listed in Table6 Setting management access control operational list assignment access control SFP Setting management access control Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 43 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Hierarchical to
94. cessary to cancel the Encryption Key FDP ACC 1 1 FMT_MSA 3 1 FMT MSA 3 3 FDP_ACC 1 3 lt The reason not to apply FMT_MSA 3 gt There is no necessity for applying this requirement because the object attribute doesn t exist FDP_ACC 114 FMT_MSA 314 FIA UAU 212 N FIA UAU 2 1 FIA UAU 2 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 87 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Functional Requirements Component for this ST Dependencies on CC Part 2 Dependencies Relation in this ST FIA SOS 2 FIA UAU 2 1 UID 1 FIA UID 2 1 FIA_UAU 2 2 FIA_UID 1 FIA UID 2 2 FIA UAU 2 3 FIA UID 213 FIA UAU 2 4 FIA UAU 2 6 FIA UAU 6 FIA UAU 7 FIA UID 2 1 FIA UID 2 2 FIA UID 2 3 FIA UID 2 4 FIA UID 2 5 FIA UID 2 6 FIA UID 2 7 FIA_USB 1 FMT_MOF 1 1 FMT_MOF 1 2 FMT_MOF 1 3 FMT MSA 1 1 FMT_MSA 1 2 FMT_MSA 1 3 FMT MSA 3 1 FMT_MSA 3 2 FMT_MSA 3 3 FIA_UID 1 FIA_UID 1 Yon IA UAU 1 Z 2 2 2 2 2 2 Z one A_ATD 1 MT_SMR 1 FMT_SMF 1 _5 1 _ 1 or FDP_IFC 1 MT SMF 1 MT SMR 1 DP ACC 1o
95. completion of this function requirement O CRYPTO MAIL Usage of Encryption mail This security objective regulates the encryption of a user box file when transmitting the user box file by e mail and various requirements related to the encryption are necessary FCS CKM 1 generates the encryption key 128bit 168bit 192bit or 256bit by using Pseudorandom number Generation Algorithm according to FIPS 186 2 FCS_COP 1 encrypts the user box file by using AES encryption key 128bit 192bit or 256bit of FIPS PUB 197 Gt becomes a transmission data of S MIME Also the same requirement encrypts the user box file by using 3 Key Triple DES encryption key 168bit of SP800 67 By the same token it becomes a transmission data of S MIME FCS COP 1 encrypts these encryption keys are encrypted by RSA of FIPS 186 2 that is a public key of S MIME certificate of each destination This security objective is satisfied by the completion of these plural function requirements O AUTH CAPABILITY Support action to use user identification and authentication function This security objective regulates that the user identification and authentication function 1s used by the user information management server that is the entity of a necessary IT environment for the security maintenance of TOE and needs various requirements that relate to the encryption Applying FIT CAP 1 1l the inquiry and the acquirement function for the identification and authentication obje
96. components September 2007 Version 3 1 Revision 2 CCMB 2007 09 003 e Common Criteria for Information Technology Security Evaluation Evaluation methodology September 2007 Version 3 1 Revision 2 CCMB 2007 09 004 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 19 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 3 Security Problem Definition This chapter will describe the concept of protected assets assumptions threats and organizational security policies 9 1 Protected Assets Security concept of TOE is the protection of data that can be disclosed against the intention of the user As MFP is generally used the following image file in available situation becomes the protected assets e Secure Print file An image file registered by Secure Print lt lt D amp print file An image file saved as an ID amp print file when print data are registered by the ID amp print function e User Box file An image file stored in the personal user box public user box and group user box As for a image file of a job kept as a wait state by activities of plural jobs and a image file of a job kept that prints the remainder of copies becoming as a wait state for confirmation of the finish and other than the image file dealt with the above mentioned
97. control ID assignment access control SFP Secure print file access control FDP ACF 1 2 2 The TSF shall enforce the following rules to determine if an operation among controlled subjects and Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 45 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target controlled objects is allowed assignment rules governing access among controlled subjects and controlled objects using controlled operations on controlled objects assignment rules governing access among controlled subjects and controlled objects using controlled operations on controlled objects A task to act for a user who has a user attribute user ID is permitted to display of the list of all the secure print files A task to act for a user who has the file attribute the secure print internal control ID is permitted the print operation to the secure print file that has matched the file attribute secure print internal control ID with the file attribute secure print internal control ID FDP ACF 1 3 2 The TSF shall explicitly authorize access of subjects to objects based on the following additional rules assignment rules based on security attributes that explicitly authorize access of subjects to objects assignment rules
98. ction 18 F ADMIN WebDAV WebDAV administrator function 7 1 ADMIN Administrator Function F ADMIN is a series of security function that administrator operates such as an administrator identification authentication function in an administrator mode accessing from a panel or through a network and a security management function that includes a change of an administrator password and a lock cancellation of a locked user box Nevertheless all functions are not feasible functions through both a panel and a network 7 1 1 Administrator identification authentication function It identifies and authenticates the accessing user as the administrator in response to the access request to the administrator mode Offers the administrator authentication mechanism authenticating by the administrator password that consists of the character shown in Table 12 gt Offers the administrator authentication mechanism using the session information besides the administrator password after the administrator is authenticated to the access from the network gt According to protocol use the session information of more than 1010 or generate and use the session information more than 1010 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 91 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0
99. ction met surpassed the TSF shall assignment Zist of actions selection met surpassed Surpassed assignment ist of actions Action when it is detected Deny the access to the MIB object and lock the authentication function to use SNMP password Operation for recovering the normal condition Perform the delete function of authentication failure frequency offered within the administrator mode Hierarchical to No other components Dependencies _ UAU 1 FIA_UAU 2 2 FIA_AFL 1 4 Authentication failure handling FIA_AFL 1 1 4 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment list of authentication events Authentication for accessing the TOE by user selection assignment positive integer number an administrator configurable positive integer within lassignment range of acceptable values lassignment range of acceptable values an administrator configurable positive integer within 1 3 FIA AFL 1 2 4 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall assignment List of actions selection met surpassed Surpassed assignment ist of actions Action when it is detected
100. ctive is satisfied by the completion of these multiple functional requirements O OVERWRITE ALL Complete overwrite deletion This security objective regulates that it deletes all data areas of HDD and initializes the concealed information of NVRAM that 1s set by the user and requires various requirements that relate to the deletion FAD RIP 1 guarantees that these objective information not to be able to use the content of any previous information by the deletion operation This security objective is satisfied by the completion of these multiple functional requirements O CRYPT KEY Encryption key generation This security objective regulates that when the encryption protection chip is installed the encryption key necessary to encrypt all the data written in HDD is generated and needs various requirements that relate to the encryption key generation Using KonicaMinolta HDD encryption key generation mechanism SHA250 according to KonicaMinolta encryption specification standard FCS CKM 1 generates the 128bit encryption key This security objective is satisfied by the completion of this function requirement Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 82 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target O CHECK HDD Validity confirmat
101. ctive user are achieved for the user identification and authentication Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 83 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target function by the ActivrDirectory of the user information management server This security objective is satisfied by the completion of this function requirement O CRYPTO CAPABILITY Support action to use the encryption function This security objective regulates that TOE s support action for the data stored in HDD 1s encrypted by the encryption kit that is the entity out of TOE and needs various requirements that regulates the support of external entity action Applying FIT CAP 1 2 the support function to process the image file through encryption function is achieved for the encryption function of the encryption kit This security objective is satisfied by the completion of this function requirement O LOCK HDD CAPABILITY Support action to use the HDD lock function This security objective regulates that TOE S support action refuses the unauthorized access from MFP other than the one that is set by the HDD that is the entity out of TOE and needs various requirements that regulates the support of external entity action Applying FIT CAP 1 3l the support function to change the
102. d by 1 2 TOE Identification TOE Name TOE Version Type Created by 1 3 TOE Overview bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR60Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 1 07 April 20 2009 KONICA MINOLTA BUSINESS TECHNOLOGIES INC Akihiko Oda Japanese Name bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software English Name bizhub bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 System Control AOR50Y0 1D00 G00 11 BIOS Control Software KONICA MINOLTA BUSINESS TECHNOLOGIES INC This paragraph explains the usage of TOE main Security Functions and Operation Environment of the TOE 1 8 1 TOE Type The bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software that is the TOE is an embedded software product that controls the operation of whole MFP overall in the compact flash memory and flash memory on the MFP controller 1 3 2 Usage of TOE and main Security Functions bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 are digital Multi Function Products by Kon
103. e encryption function The setting of the Enhanced Security function becomes invalid in the execution of this function Refer to the description for the operation setting of the Enhanced Security function in ADMIN As described above FAD RIP 1 is realized Table 13 A type of overwrite deletion of all area and the method of overwriting 7 8 F CRYPT Encryption key generation function F CRYPT is generated the encryption key to encrypt image data written in HDD by using the HDD encryption key generation algorithm SHA 256 that is regulated by the KonicaMinolta encryption specification standard KonicaMinolta HDD encryption key generation algorithm SHA 256 is the algorithm to generate the encryption key by using the SHA 256 regulated by FIPS 180 2 When the encryption passphrase is decided in the encryption functional operation setting to which the access is restricted in F ADMIN the encryption key of 128bit length is generated from the encryption passphrase by applying the SHA 256 algorithm As described above CKM 1 is realized 7 9 FVALIDATION HDD HDD verification function EVALIDATION HDD is a check function to permit reading from and writing in the HDD only Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 113 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1
104. e MFP This condition assumes that there are no wiretapping activities for the intra office LAN and no access by an unspecified person from an external network OE NETWORK regulates the wiretapping prevention by the installation of devices such as a wiretapping detection device and device to perform the encryption communication on the intra office LAN It also regulates the unauthorized access prevention from external by the installation of devices such as firewall in order to block access to the MFP from the external networks so that this condition is realized A SECRET Operating condition concerning confidential information This condition assumes each password and encryption passphrase using for the use of TOE should not be leaked by each user OE SECRET regulates that the administrator makes the user to execute the operation rule concerning the secure print password the user box password user password and account password and that the administrator executes the operation rule concerning the administrator password the HDD lock password the CF lock password SNMP password WebDAV server password encryption passphrase and account password It also regulates that the service engineer executes the operation rule concerning the CE password and that the service engineer makes the administrator to execute the operation rule concerning the administrator password so that this condition is realized A SETTING Enhanced Security Function
105. e SNMP password that the user who accesses the MIB object through the network with the use of SNMP is an administrator Offers the SNMP authentication mechanism which authenticates by the SNMP password Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 101 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target that consists of the character shown in Table 12 Only Authentication password or both the Privacy password and the Authentication password is used In the case of SNMP the SNMP password is used for every session without requiring the administrator authentication mechanism by the separate session information Reset the authentication failure frequency if it succeeds in authentication In the case of both the Privacy password and the Authentication password are used the authentication failure frequency is reset only when both passwords together succeeded in the authentication When the authentication failure that becomes the 1 3 times at total in each authentication function by using the SNMP password is detected all the authentication functions to use the SNMP password are locked The access to the MIB object is refused gt The administrator specifies the failure frequency threshold by the unauthorized access detection threshold s
106. e range panel auto logoff time 1 9 minutes As described above FMT MTD 1 3 FMT SMF 1 and FMT_SMR 1 2 are realized 7 1 3 8 Network Settings A setup operation of the following setting data is performed Aseries of setup data that relates to SMTP server IP address Port Number etc Aseries of setup data that relates to DNS server IP address Port Number etc A series of setup data that relates to MFP address IP address NetBIOS Name AppleTalk Printer Name etc As described above FDP ACC 1 3 and ACF 1 3 are realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 96 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 7 1 8 9 Execution of back up and restoration function All the setting data stored in NVRAM CF and HDD is backed up and re stored except the administrator password the CE password CF lock password and HDD lock password As the object related to security due to the relation of confidentiality and completeness the one shown by the following classifications is targeted Type Object to which back up and restoration should be limited gt SNMP password User password Account password Secure print password User Box password Encryption passphrase WebDAV server password Type
107. e setting of TSI reception are limited to the administrator and so the possibility of this threat is removed OE FEED BACK uses the application regulating that the feedback protected is returned for the entered password by the administrator s authentication and OE N SESSION requires to logoff after the operation ends so that O CONFIG is supported sufficiently Accordingly this threat is countered sufficiently T ACCESS SETTING Unauthorized change of function setting condition related to security This threat assumes the possibility of developing consequentially into the leakage of the user box files secure print files or ID amp print files by having been changed the specific function setting which relates to security O CONFIG regulates that only the administrator is permitted to perform the setting of the enhanced security function that controls all setting function related to a series of security and so the possibility of the threat is removed OE FEED BACK uses the application regulating that the feedback protected is returned for the entered various passwords by the administrator s authentication and OE N SESSION 1s also requested to logoff respectively after the operations of the administrator mode ends so that O CONFIG is supported sufficiently Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 34 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 Var
108. ed in detail below 7 18 1 Identification and Authentication Function by WebDAV Server Password It is identified and authenticated by the WebDAV server password that a user accessing via a network using WebDAV is an administrator The WebDAV authentication mechanism which authenticates the user by the WebDAV server password consisting of the characters shown in Table 12 shall be usable For WebDAV no separate mechanism to authenticate the administrator based on the session information but a WebDAV server password is used for each session Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 116 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Whenre authentication has succeeded the authentication failure frequency is reset When authentication failure which results in the second fourth and sixth time in total is detected by each authentication function utilizing a WebDAV server password all the authentication functions utilizing the WebDAV server password is locked out Access using WebDAV is denied gt The maximum number of times of failure is specified by the administrator by the unauthorized access detection threshold setup function The lock out of the authentication function is released when the FADMIN s unlock function
109. elated to the security The user registration management gt Registration or change in user ID and user password and deletion of a user gt Change the association of user with account ID The account registration management Registration or change in account ID and account password Management of user box settings Registration or change in user box password and management of user attributes Operation setting of automatic system reset Setting of the function that logs out automatically when the setting time passed Management of network setting Connection setting of the intra office LAN setting of DNS server 1 A method of directory service that Windows Server 2000 or later supports to uniformly manage user information in the network environment of Windows platform 2 Anabbreviation of NT LAN Manager An authentication method used in directory service that Windows NT supports to uniformly manage user information in network environment of Windows platform Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 13 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target SMTP setting setting of SMTP server utilized by E mail transmission gt IP address NetBIOS name and AppleTalk printer name etc Backup or
110. encryption key is regularly kept for the stored data Moreover an arbitrary access to the storage medium is difficult and there is no necessity of the encryption key cancellation Dependencies on CC Part 2 Dependencies Relation in this ST FCS_CKM 1 or FDP_ITC 1 FCS_CKM 1 only a part of the phenomenon or FDP_ITC 2 FCS_CKM 4 The satisfied events The encryption key for enciphering the attached file by the S MIME communication is generated lt The reason not to satisfy a part of the FCS_CKM 1 or FDP_ITC 1 or FDP_ITC 2 gt FCS COP 1 It seems proper to use FDP_ITC 1 because the public key to encrypt the encryption key for the data encryption of S MIME is imported outside of TSF control area but S MIME certificate is registered by the administrator s operation In that case it is unnecessary to consider whether it passes thorough the untrusted channel or not There is not inevitability to apply the security requirement The use under the condition that Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 86 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Functional Requirements Component for this ST FDP ACC 1 1 FDP ACC 1 2 FDP ACC 1 3 FDP ACC 1 4 FDP_ACF 1 1 FDP ACF 1 2 FDP ACF 1 3 FDP ACF 1 4 FIA AFL 1 1 FIA AF
111. entiality showed in the preceding The security policies applied in the organization that uses TOE are identified and described as follows Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 23 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target P COMMUNICATION DATA secure communication of image file Highly confidential image files secure print files user box files and ID amp print files which transmitted or received between IT equipment must be communicated via trusted pass to the correct destination or encrypted when the organization or the user expects to be protected Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 24 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 4 Security Objectives In this chapter in relation to the assumptions the threats and the organizational security policy identified in Chapter 3 the required security objectives policy for the TOE and the environment for the usage of the TOE are described by being divided into the categories of the security objectives for the TOE and the security objectives for the environment as follows
112. ependencies FMT SME1 FMT SMFE FMT SMR 1 FMT_SMR 1 2 FMT MTD 1 12 Management of TSF data FMT MTD 1 1 12 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operationsl the assignment list of TSF data to assignment the authorized identified roles assignment list of TSF data Belonging Account of a user oneself selection change default query modify delete clear lassignment other operationsl lassignment other operations Registration assignment the authorized identified roles Administrator the user who is permitted to use of the account Hierarchical to No other components 8 user who isn t related with an account name and who was informed of the account password for the account ID from the administrator off line Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 64 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target Dependencies FMT SMFE 1 FMT SMFE 1 FMT SMR 1 FMT SMR 1 2 FMT SMR 1 6 EMT_SME 1 Specification of Management Functions EMT_SMF 1 1 The TSF shall be capable of performing the following security management functions assignment List of security management functions to be provided by the TSH
113. equests to a user box or image files in the user box that is transmitted from the panel or the network unit through a network from a client PC Print transmit and download from a client PC of image files in a user box The encryption of box file is possible in the E mail that is one of the transmission methods Delete an image file in a user box and move copy it to other user boxes Set a storing period of image files in a user box delete automatically after the period passes Change the name and password of a user box or delete a user box Set attributes of a user box change the type of a personal user box public user box or group box 1 4 3 3 User Authentication Function TOE can limit the user who uses MFP For access through the panel or the network TOE identifies and authenticates that the user is permitted to use the by applying the user password and user ID When the identification and authentication succeeds TOE permits the user the use of the basic function and the user box function etc Several types of user authentication like below are supported Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 12 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target 1 2 Machine authentication A method to authent
114. eration When CE authentication lock time passed from specific operation the release process is performed Hierarchical to No other components Dependencies FIA_UAU 1 FIA_UAU 2 1 FIA_AFL 1 2 Authentication failure handling FIA_AFL 1 1 2 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within lassignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Authentication for accessing the administrator mode Re authentication for changing the administrator password selection assignment positive integer number an administrator configurable positive integer within lassignment range of acceptable values lassignment range of acceptable values an administrator configurable positive integer within 1 3 FIA AFL 1 2 2 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall assignment Zist of actions selection met surpassed Surpassed assignment ist of actions Action when it is detected Log off from the authentication status of the administrator mode if it is and lock the authentication function which uses the administrator password If it s not under the authentication status lock the authentication function which uses the administrator password
115. erty Identified uniquely assignment access control SFP information flow control SFP Secure print file access control FMT_MSA 3 2 2 The TSF shall allow the lassignment the authorized identified roles to specify alternative initial values to override the default values when an object or information is created assignment the authorized identified roles None Hierarchical to No other components Dependencies FMT MSA 1 N A FMT_SMR 1 N A FMT MSA 3 3 Static attribute initialization FMT MSA 3 1 3 The TSF shall enforce the assignment access control SFP information flow control SFP to provide selection choose one of restrictive permissive lassignment other property default values for security attributes User box attributse of user box file that are used to enforce the SFP selection choose one of restrictive permissive assignment other property lassignment other property Corresponds with the value of the user box attributes of the user box that selected as a target to store the user box file concerned assignment access control SFP information flow control SFP User box access control FMT_MSA 3 2 3 The TSF shall allow the assignment the authorized identified roles to specify alternative initial values to override the default values when an object or information is created assignment the authorized identified roles None Hierarchical to
116. es secure print files or ID amp print files rises because those malicious including users change the settings related to the enhanced security function T BACKUP RESTORE Unauthorized use of Backup function and restoration function User box files secure print files or ID amp print files can leak by those malicious including users using the backup function and the restoration function illegally Also highly confidential data such as passwords can be exposed so that settings might be falsified T BRING OUT CF An unauthorized carrying out of Compact Flash Memory The possibility of the following rises because a malicious person or a user with malicious intent illegally taking out and analyzing a CF in e Leak of setting value SNMP password WebDAV server password e Operation by a falsified password SNMP password other operation setting values of various functions e Operation under falsified TOE e Leak of image information existed in the Compact Flash Memory through remaining CF image file 3 4 Organizational Security Policies Recently there are a lot of organizations that demand security of network in office Although a threat of wiretapping activities etc in intra office LAN is not assumed in this ST TOE security environment that corresponds to the organization that demanded security measures in intra office LAN is assumed Particularly correspond to the secure communication of Protected Assets considering the confid
117. es at total for the concerned account is detected it locks all the authentication functions to the account The administrator specifies the failure frequency threshold by the unauthorized access detection threshold setting function The lock of the authentication function is to perform the lock release function to the concerned account of F ADMIN As described above FIA AFL 1 7 FIA AFL 1 8 FIA UAU 2 6 FIA UAU 7 and FIA_UID 2 6 are realized When accessing from a network the account is not authenticated after the user authentication but the user and the account are processed with one sequence When authenticating the account the account ID is associated with the user ID and the user ID and the account ID are measured by the session information which is the same as user identification and authentication in the account authentication the synchronized method Provides the user authentication mechanism that authenticates the user that consists of the characters shown in Table 12 gt After the user is authenticated to the access from the network the user authentication mechanism using session information besides the user password is offered gt According to the protocol it uses the session information more than 101 or it generates and uses the session information more than 1010 As described above FIA SOS 1 6 FIA_SOS 2 FIA_ATD 1 and FIA_USB 1 are realized Automatic registration of the User ID In the case of the Ex
118. ese management as a service engineer FMT SME 1 specifies these management functions 6 2 1 3 Dependencies of the IT Security Functional Requirements The dependencies of the IT security functional requirements components are shown in the following table When a dependency regulated in CC Part 2 is not satisfied the reason 1s provided in the section for the dependencies Relation in this ST Table 10 Dependencies of IT Security Functional Requirements Components N A Not Applicable Functional Requirements Component for this ST FCS CKM 2 or FCS_COP 1 FCS COP 1 only partial event FCS CKM 4 The satisfied events The encryption of the attached file by the S MIME communication lt The reason not to fulfill partially CKM 2 or FCS_COP 1 gt As the cryptographic operation is performed using the function of encryption protection chip on the encryption that is out of TOE so there is no need to adapt FSC COP1 for the key generated Konica Minolta HDD cryptographic key generation algorithm And the generated encryption key is distributed out of FCS CKM 1 TSF control range the adaption of FCS_CKM 2 might be reasonable But it is not necessary to fullfil this dependency because the encryption key is stored in the medium which is impossible to be ascessed arbitrarily and is set to the encryption kit by administrator or service engineer when the encryption function is under operation lt The reason not to apply FCS_CKM 4 gt The
119. etting function In the case of both the Privacy password and the Authentication password are utilized even though both passwords together fails in authentication it is detected as one failure The lock status is released when the lock release function to the MIB object of F ADMIN is performed As described above FIA_AFL 1 3 UAU 2 2 and FIA_UID 2 2 are realized 7 2 2 Management function using SNMP When it is identified and authenticated that the user is an administrator by the SNMP password the access to the MIB object is permitted and then the operation of the setting data shown as followings is permitted to be done 1 Network Settings Setting operation of the following setting data is performed gt Setting data that relates to SMTP server IP address port number etc gt Setting data that relates to DNS server IP address port number etc gt Aseries of setting data that relates to MFP address IP address NetBIOS name AppleTalk printer name etc As described above FDP ACC 1 3 and ACF 1 3 are realized 2 Change of SNMP password The SNMP password Privacy password and Authentication password is changed Verify that the SNMP password newly set satisfies the following qualities gt tis composed of the characters and by the number of digits shown in Table 12 As described above FIA SOS 1 2 FMT MTD 1 3 FMT SME1 and FMT SMR 1 2 are realized 3 Setting of SNMP password authenticatio
120. fied and authenticated user and the use of FBOX and F PRINT is permitted to the identified and authenticated user Return for each character as feedback for the entered user password Resets the number of authentication failure when succeeding in the authentication Not accept the access from the panel for five seconds when the authentication failed When the authentication failure that becomes 1 3 times at total for the concerned user is detected it locks all the authentication functions to the user The administrator specifies the failure frequency threshold by the unauthorized access detection threshold setting function To release the lock of the authentication function is to perform the lock release function to the user authentication of F ADMIN As described above FIA AFL 1 4 FIA AFL 1 8 UAU 2 3 UAU 7 and UID 2 3 are realized Account Authentication Account registration function when the belonging account of user is not registered in the synchronized method Require the Account authentication after User identification and authentication Register the successful account ID as account name when succeeding in the account authentication By this FMT MTD 1 12 FMT SMS 1 and FMT SMR 1 6 are realized The detail of the account authentication is the same as processing of the items explained in the following Account authentication User identification and authentication in the a
121. for S MIME function and setting data of SNMP password authentication function by _ 1 2 the Trusted Channel setting data and account authentication function operation setting data by 113 the user attribute of the user box by FMT_MSA 1 1 FMT_MSA 1 2 and FMT_MSA 1 3 the user password by FMT_MTD 1 2 the user ID the SNMP password the panel auto logoff time the authentication failure frequency the secure print password the external authentication setting data the account ID the account password the S MIME certificate the belonging account of user administrator authentication lock time TSI receiving setting WebDAV server password and encryption passphrase by FMT MTD 1 3 the user box password by FMT_MTD 1 4 FMT MTD 1 7 permits only to the administrator the backup operation inquiry operation of the SNMP password the user password the user box password and the secure print password the account password WebDAV server password and encryption passphrase Operational limitation of Enhanced Security function MOF 1 1 permits only the administrator and service engineer to disable the setting Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 80 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target
122. for the operation TOE exists as System Controller on the compact flash memory and as BIOS Controller on the flash memory on the MFP controller which builds in the body of the MFP and is loaded and run on the RAM when main power is switched ON The following explains about the unique hardware on the MFP controller the hardware having the interface to the MFP controller and the connection by using RS 232C shown in Figure 2 Compact Flash memory Hereafter use CF as abbreviated name Storage medium that stores the object code of the System Controller of MFP Control Software that is the TOE Additionally it stores the message data of each country s language to display the response accessed through the panel and network This medium also stores various setting values which are needed for the operation of the MFP used for processing of TOE As for security related data various setting values are included except Administrator password CE password HDD lock password encryption passphrase and CF lock password As a feature function the security function CF lock function is installed being possible to set the password and not being possible to read and write unless it agrees to the password Furthermore when the frequency of uniformity of it becomes unsuccessful in password collation the function is also ready to lock the password collation function Flash memory Storage medium that stores the object code of the BIOS Contr
123. ged FIA UAU 6 re authenticates the Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 81 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target administrator lt Operational Limit of Trusted Channel function setting data The behavior and the stop setting of Trusted Channel function are permitted only to the administrator by FMT MOF 1 3 Operational Limit for S MIME function The registration of the S MIME certificate is permitted only to the administrator by FMT MTD 1 11 The modification of the S MIME certificate registered is permitted only to the administrator by FMT MTD 1 3 In addition the setup of transmission address data is permitted only to the administrator by ACC 1 3 and FDP_ACF 1 3 The behavior of the S MIME function is permitted only to the administrator by the _ 1 2 lt Necessary requirements to keep the administrator secure gt gt refer to set admin lt Necessary requirements to keep the service engineer secure gt gt refer to set service lt Role and controlling function for each management gt As the role of doing these managements FMT_SMR 1 1 maintains a service engineer and FMT SMR 1 2 maintains an administrator Moreover FMT 1 specifies these management functions This security obje
124. h user boxes If there is a user box to which access is locked the lock is released Reset 0 clear the number of authentication failure of each account If there is a user account to which access is locked the lock is released Reset 0 clear the number of authentication failure of SNMP password If there is a MIB object to which access is locked the lock is released Reset 0 clear the number of authentication failure of WebDAV password If there is a WebDAV server to which access is locked the lock is released As described above FIA AFL 1 3 AFL 1 4 FIA AFL 1 5 FIA_AFL 1 6 FIA_AFL 1 7 and AFL 1 9 are realized 7 1 3 5 Setting of user authentication function Set the following authentication method in a user authentication function Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 95 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Machine authentication Authentication method which utilizes a user password managed on MFP sides External server authentication Authentication method which utilizes a user password managed with a user information management server connected through a network Only Active Directory method is object When external server authentication is used the external server aut
125. hat relates to the initialization of the password that the administrator operates is as follows All area overwrite deletion function The settings of the administrator password and the SNMP password are initialized to the values at factory shipment by executing the overwrite deletion of all area As described above FMT MTD 1 3 FMT MTD 1 6 FMT SME1 and FMT_SMR 1 2 are realized 7 1 3 22 Operational Setup of the ID amp Print Function The operation modes of the ID amp print function are set up as follows ID amp print automatic operation mode An operation mode that registers a print file sent from a client PC as an ID amp print file even if printing 18 requested by the normal print setup ID amp print specified operation mode An operation mode that registers a print file sent from a client PC as an ID amp print file only when it is requested to register that file as an ID amp print file As described above FMT MOF 1 2 SMFE 1 and FMT SMR 1 2 are realized 7 2 KADMIN SNMP SNMP administrator function F ADMIN SNMP is a security function which identifies and authenticates the administrator in the access through the network by using SNMP from client PC and then permits the operation of a setting function of the network only to the administrator whose identification and authentication was succeeded 1 2 1 Identification and authentication function by SNMP password It identifies and authenticates by th
126. he number of the authentication failure when succeeding in the authentication Not accept the input from the panel for five seconds when the authentication failed When the authentication failure that becomes 1 3 times at total in each authentication function by using the CE password is detected it locks all the authentication functions to use the CE password The access to the service mode is refused The administrator specifies the failure frequency threshold by the unauthorized access detection threshold setting function Lock of authentication function is released with F RESET function operated As described above FIA_AFL 1 1 FIA AFL 1 8 UAU 2 1 FIA UAU 7 and UID 2 1 are realized 7 3 2 Function offered in service mode When a user is identified and authenticated as a service engineer by the service engineer identification authentication function at the access request to the service mode the use of the following functions is permitted 1 Change of CE password When a user is re authenticated as a service engineer and the new password satisfies the quality it is changed gt Offers the CE authentication mechanism that is re authenticated by the CE password that consists of the characters shown in Table 12 gt Resets the number of authentication failure when succeeding in the re authentication Return for each character as feedback for the entered service codes in the re authentication gt W
127. hen the authentication failure that becomes 1 3 times at total in each authentication function by using the CE password 1s detected it logoffs the service mode accessing from the panel and locks all the authentication functions to use the CE password The access to Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 103 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target the service mode is refused The administrator specifies the failure frequency threshold by the unauthorized access detection threshold setting function gt The F RESET function operates to release the lock of the authentication function gt It verifies that the CE password newly set satisfies the following qualities It is composed of the characters and by the number of digits shown in the Table 12 It shall not be composed of one kind of character It shall not be matched with the current value As described above FIA AFL 1 1 FIA SOS 1 1 UAU 2 1 FIA_UAU 6 UAU 7 FMT MTD 1 9 FMT SMFE 1 and FMT SMR 1 1 are realized 2 Change of administrator password Change the administrator password Verify that the administrator password newly set satisfies the following qualities gt Itis composed of the characters and by the number of digits shown in the Table 12 gt
128. hentication setting data Contain the multiple authentication server information such as domain name to which external server belongs needs to be set Set the following authentication method in the account authentication function used with a user authentication function Account authentication function synchronized method The method which utilizes an account ID related to user ID beforehand Account authentication function method not synchronized The method to authenticate by the account ID and the account password at the time of access without utilizing the account ID that related to user ID beforehand Account authentication function not use Utilize only the authentication function by user ID and not utilize the authentication by account information As described above 1 2 FMT_MOF 1 3 FMT MTD 1 3 FMT SME1 and SMR 1 2 are realized 7 1 3 6 Unauthorized access setting Setting of unauthorized access detection threshold The unauthorized access detection threshold in the authentication operation prohibition function is set for 1 3 times Setting of Administrator Authentication Lock Time Set the Administrator Authentication Lock Time between 5 60 minutes As described above FMT MTD 1 3 FMT SMF 1 and FMT SMR 1 2 are realized 7 1 3 7 Setting of auto logoff function The panel auto logoff time which is the setting data of the auto logoff function should be set within the following tim
129. horized identified roles assignment List of functions Maintenance Function selection determine the behavior of disable enable modify the behavior Enable assignment the authorized identified roles Service engineer Hierarchical to No other components Dependencies _ FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT_SMR 1 1 FMT_MSA 1 1 Management of security attributes FMT_MSA 1 1 1 The TSF shall enforce the assignment access control SFP information flow control SFP to restrict the ability to selection change default query modify delete assignment other operations the security attributes assignment ist of security attributes to assignment the authorized identified roles assignment list of security attributes User attributes of the user box that is set user s own user ID selection change default query modify delete assignment other operations Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 58 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target Modify modify to other user s User ID account ID or public assignment he authorized identified roles User Administrator assignment access control SFP information flow control SFP User box access co
130. ica Minolta Business Technologies Inc composed by selecting and combining copy print scan and FAX functions Hereinafter referred to as MFP TOE is the control software for bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 that controls the entire operation of MFP including the operation control processing and the Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 6 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target image data management that are accepting from the panel of the main body of MFP or through the network TOE supports the protection from exposure of the highly confidential document stored in the Moreover TOE can prevent the unauthorized access to the image data written in HDD for the danger of taking HDD that is the medium that stores the image data in MFP out illegally by using the HDD lock function loaded on the HDD Besides TOE has the deletion method to follow various overwrite deletion standards It deletes all the data of HDD completely and it contributes to the prevention of the divulging information of the organization that uses by using the method at the time of abandonment or the lease returns 1 4 TOE Description 1 4 1 Role of the TOE User
131. icate user at MFP by registering a user ID and a user password into HDD on the MFP controller External server authentication A method to authenticate user at MFP by using the user ID and the user password that are registered on the user information management server which is connected with the intra office LAN without managing the user ID and user password on the MFP side Though multiple methods called Active Directory NTLM and NDS are supported the method of the external server authentication assumed in this ST is applied only to the case of using Active Directory 1 4 3 4 Account Authentication Function TOE can manage the MFP users by grouping them into Account unit The methods of Account Authentication are as follows 1 2 Method synchronized with User Authentication Set an Account ID on a user beforehand and associate the user with the account ID of the user s account when he she is authenticated Method not synchronized with User Authentication Associate a user with his her account ID when the user is authenticated by the account password set for each account ID 1 4 3 5 Administrator Function TOE provides the functions such as the management of user boxes management of user information at the time of MPF authentication and management of various settings of the network image quality etc in the administrator mode that only authenticated administrator can manipulate The following shows the function r
132. ication and CE authentication 1 CE Authentication function lock release processing function The function is executed by the specific operation and the lock is released by clearing the failure frequency of the CE authentication to 0 after CE authentication lock time As described above FIA_AFL 1 1 is realized 2 Administrator authentication function lock release processing function The function is executed by OFF ON of the main power supply and the lock is released by clearing the failure frequency of the administrator authentication to 0 after the administrator authentication lock time As described above FIA_AFL 1 2 is realized 7 12 RTRUSTED PASS Trust Channel Function ETRUSTED PASS is a function that generates and achieves the Trusted Channel by using SSL or TSL protocol when transmitting and receiving the following image file between client PC and User box file download from MFP to client PC Image file that will be stored as a user box file upload from client PC to MFP Image file that will be stored as Secure Print file upload from client PC to MFP Image file that will be stored as ID amp Print file upload from client PC to MFP As described above FTP_ITC 1 is realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 114 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Contr
133. ication when it accesses administrator mode from the panel User authentication when user accesses TOE from the panel Account authentication when user accesses TOE from the panel Authentication when it accesses secure print file Authentication when it accesses Public user box from the panel selection assignment positive integer number an administrator configurable positive integer within lassignment range of acceptable values lassignment positive integer number 1 FIA AFL 1 2 8 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall assignment Zist of actions selection met surpassed Surpassed assignment List of actions Action when it is detected Deny all access from the panel Operation for recovering the normal condition Automatically release the lock after 5 seconds Hierarchical to No other components Dependencies FIA UAU 1 UAU 2 1 FIA UAU 2 2 UAU 2 3 FIA_UAU 2 4 FIA UAU 2 5l UAU 2 6D FIA AFL 1 9 Authentication failure handling FIA AFL 1 1 9 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Authentication when accessing by WebDAV Re authentic
134. icts the change in the administrator password to the administrator and the service engineer When the administrator changes the administrator password FIA_UAU 6 re authenticates it In this re authentication when the failure authentication reaches 1 3 times AFL 1 2 logoffs it if its under authentication and releases the authentication status of the administrator from then on And it locks all the authentication functions to use the administrator password The release function is executed by starting TOE with turning OFF and ON the power supply so that the lock is released after the administrator authentication lock time passed Role and management function for each management FMT_SMR 1 1 have service engineer maintain the role to do these management and FMT SMR 1 2 have the administrator do the same Additionally FMT SMF 1 specifies these management functions set service Set of necessary requirement to keep service engineer secure Identification and Authentication of a service engineer FIA UID 2 1 and FIA_UAU 2I 1 identifies and authenticates that the accessing user isa service engineer FIA UAU returns every one character entered as the feedback protected in the panel and supports the authentication FIA AFL 1 8 refuses all the input receipts from the panel for five seconds at each failure and when the failure authentication reaches 1 3 times FIA_AFL 1 1 logoffs it if it s under authentication and locks al
135. ility list for the operation of security servicel assignment security service provided by IT environment entity CF lock function achieved by CF assignment necessary capability list for the operation of security service Support function of modifying CF lock password Support function of releasing CF lock function Hierarchical to No other components Dependencies dependencies 6 1 2 TOE Security Assurance Requirements The TOE is a commercial office product that is used in a general office environment and therefore a TOE security assurance requirement that 1s required for EAL3 conformance which is a sufficient level as an assurance for commercial office products is applied The following table summarizes the applied TOE security assurance requirements Table 8 TOE Security Assurance Requirements TOE Security Assurance Requirements Security architecture description ADV ARC 1 Class ADV Functional specification with complete ADV FSP 3 Class AGD Guidance documents Class ALC coverage Life Cycle Support Identification of security measures ALC DVS 1 Developer defined life cycle model ALC LCD 1 Class ASE Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 70 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Targe
136. intra office LAN where the MFP with the TOE will be installed is connected to an external network access from the external network to the MFP is not allowed A SECRET Operational condition about secret information Each password and encryption passphrase does not leak from each user in the use of TOE A SETTING Operational setting condition of Enhanced Security function MFP with the TOE is used after enabling the enhanced security function 3 3 Threats In this section threats that are expected during the use of the TOE and the environment for using the TOE are identified and described T DISCARD MFP Lease return and disposal of MFP When the leaser returned or the discarded MFP were collected secure print file a user box file ID amp print files on memory image file the stored image file the HDD remaining image file the CF remaining image file the image related file the transmission address data file and the set various passwords can leak by the person with malicious intent taking out and analyzing Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 21 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target an HDD or CF or in T BRING OUT STORAGE An unauthorized carrying out of HDD e Secure print files user box files ID
137. ioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Accordingly this threat is countered sufficiently T BACKUP RESTORE Unauthorized use of back up function and restoration function This threat assumes a possibility that user box files secure print files or ID amp print files may leak when the back up function or the restoration function is illegally used Moreover this assumes that confidential data such as passwords might leak or various settings are falsified so that user box files secure print files or ID amp print files may leak O CONFIG regulates that the use of the back up function and the restoration function is permitted only to the administrator so that the possibility of the threat is removed OE FEED BACK uses the application regulating that the protected feedback is returned for the entered password by the administrator authentication and OE N SESSION is also requested the log off operation after the operation ends and so O CONFIG is sufficiently supported Accordingly this threat is countered sufficiently T BRING OUT CF Unauthorized taking out of CF This threat assumes the possibility that the leak of the information data in CF by being taken away or the unauthorized operation by installing the CF with falsified information or TOE For the above the possibility of the threat is reduced because the CF lock function is activated by O LOCK CF CAPABILITY operati
138. ion of HDD This security objective regulates that it verifies the validity of HDD in order to confirm the unauthorized HDD doesn t exist and needs various requirements that relate to the verification of an external entity from TOE FIA EID 1 1 identifies HDD before the action from TOE to HDD and cancels the scheduled action when the identification fails This security objective is satisfied by the completion of this function requirement O CHECK CF Validity confirmation of CF This security objective regulates that it verifies the validity of CF in order to confirm the unauthorized CF doesn t exist and needs various requirements that relate to the verification of an external entity from TOE FIA EID 1 2 identifies CF before the action from TOE to CF and cancels the scheduled action when the identification fails This security objective is satisfied by the completion of this function requirement O TRUSTED PASS Usage of Trusted Channel This security objective generates the Trusted Channel in the transmission and reception such as a user box file a secure print file and an ID amp print file and the requirement that relates with the Trusted Channel is necessary FTP ITC 1 generates the Trusted Channel according to the requirement from the other Trusted IT product and it is applied to the transmission and reception such as the user box file a secure print file and an ID amp print file This security objective is satisfied by the
139. is not intended to be protected in the general use of so that it is not treated as the protected assets In the print of a secure print file or an ID amp print file and the transmission of a user box file making in the preparation for the threat thought when unauthorized MFP or mail server is connected by any chance or when operational setup of PC FAX is changed even if without unauthorized MFP the setting of MFP IP address etc and operation setting of PC FAX require not to be modified illegally Therefore the setting of MFP IP address etc and operation setting of PC FAX are considered as subsidiary protected assets On the other hand when the stored data have physically been separated from the jurisdiction of a user such as the use of MFP ended by the lease return or being disposed or the case of an HDD or CF theft a user has concerns about leak possibility of every remaining data Therefore in this case the following data files become protected assets e Secure Print File e D amp print File e User Box File e On Memory Image File gt Image file of job in the wait state e Stored Image File gt Stored image files other than secure print file user box file and ID amp print file e HDD remaining Image File gt The file which remains in the HDD data area that is not deleted only by general deletion operation deletion of a file maintenance area Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Righ
140. is selected whether to enable or disable the function to change MIB by SNMPv1 and v2 Operational Setup of Authentication Function when writing using SNMPv3 gt The security levels of authentication or skipping authentication 15 selected gt For the security levels either only authentication password or authentication password privacy password is available Setting of HDD lock function Whether to activate or stop the function 1s selected gt Register or change the HDD lock password when ON is selected Setting of CF lock function Whether to activate or stop the function 1s selected Register or change the CF lock password when ON is selected Setup of encryption function only when the encryption protection chip installed gt Whether to activate or stop the function is selected gt An encryption passphrase is registered or changed when the function is activated Setup of the user box collective management function gt Itis selected whether to enable or disable this function Setup of the print capture function gt function to verify the print data received by MFP when the print function is faulty gt It is selected whether to enable or disable this function Setup of the network setting management reset function gt This function resets a series of items to factory default values gt Itis selected whether to enable or disable this function Setup of the trusted channel SSL TLS encryptio
141. istrator by FMT MTD 1 2 lt Necessary requirement to keep the administrator secure gt gt refer to set admin Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 741117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target Necessary requirement to keep the service engineer secure refer to set service Role and management function for each management The role to do these managements is maintained as a administrator by FMT SMR 1 2 and a user by FMT SMR 1 3 Moreover these management functions are specified by FMT SMF 1 This security objective is satisfied by the completion of these multiple functional requirements O PRIVATE BOX personal user box access control This security objective limits access to the personal user box and the user box file in the personal user box to only the user who owns that user box and needs various requirements that relate to the access control User box access control a personal user box After the user has been identified and authorized the user ID is related to the task of acting a use by FIA_ATD 1 and FIA USB 1 By FDP_ACC 1 1 and FDP_ACF 1 1 the task of acting the user has a user ID and is permitted to display the list of the user box with a corresponding user attribute In addition after the user bo
142. ity identification mechanism including offered IT environment entity identification information Management EID 1 The following actions could be considered for the management functions in FMT a management of IT environment entiry identification information Identification of IT environment becoming an access object from TOE FIA EID 1 FIA EID 1 1 TSF shall demand to succeed in the IT environment entity s identification before the action is taken to IT environment entity by TOE FIA EID 1 2 TSF shall stop the start of the action to IT environment entity by TOE if the IT environment entity s identification is failed Hierarchical to No other components Dependencies No dependencies 5 1 3 FIT CAP 1 Definition Class name FIT Support for IT environment entity Meaning of abbreviation FIT Functional requirement for IT environment support Class behaviour This class contains a family specifying the requirement related with the use of the security service provided by IT environment entity One family exists here Use of IT environment entity FIT Family behaviour Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 39 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target
143. ized identified roles assignment list of TSF datal User box password of the relevant user box selection change default query modify delete clear lassignment other operations modify assignment the authorized identified roles User who is permitted to use that public user box Administrator Hierarchical to No other components Dependencies FMT_SMF 1 FMT_SMF 1 FMT_SMR 1 FMT_SMR 1 2 FMT SMR 1 4 FMT_MTD 1 5 Management of TSF data FMT_MTD 1 1 5 The TSF shall restrict the ability to selection change default query modify delete clear assignment other operations the assignment list of TSF data to assignment the authorized identified roles assignment list of TSF data User box password selection change default query modify delete clear assignment other operations lassignment other operations Registration assignment the authorized identified roles User Administrator Hierarchical to No other components Dependencies FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT SMR 1 2 FMT SMR 1 3l 7 Tt intends the operation of replacing a settable digital certificate for each user in stead of the modification of the value itself Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 62 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 Vario
144. k password that consists of the character shown in Table 12 Return in verification for each character as feedback for the entered CF lock password Verify the CF lock password newly set if the following qualities are satisfied gt Itis composed of the characters and by the number of digits shown in Table 12 gt Itshall not be composed of one kind of character gt It shall not be matched with the current value As described above FIA_SOS 1 4 FIA_UAU 7 FIA UAU 6 FMT MTD 1 3 FMT SME 1 and FMT SMR 1 2 are realized 7 1 3 12 Operation setting of encryption function When an optional encryption board is installed to it can be operated Operation Setting ON When turning it ON from OFF it verifies that the encryption passphrase newly set satisfies the following qualities and F CRYPT is performed It is composed of the characters and by the number of digits shown in Table 12 It shall not be composed of one kind of character As described above FIA SOS 1 4 FMT_MTD 1 11 FMT SME1 and FMT SMR 1 2 are realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 98 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target Encryption Passphrase Change Operation Setting OFF Change the encryption passphrase a
145. l the authentication functions to use the CE password The CE authentication lock release function is executed and the CE authentication lock time goes by so that this lock status is released FMT MTD 1 3 permits only to the administrator the setting of the threshold of the authentication failure frequency that is the trial frequency of the failure authentication in the service engineer authentication FMT MTD 1 9 permits only to the service engineer the setting of the CE authentication lock time Management of service engineer s authentication information FIA_SOS 1 1 verifies the quality of the CE password FMT_MTD 1 9 restricts the change in the CE password to the service engineer Moreover FIA UAU 6 re authenticates it In this re authentication when the failure authentication reaches 1 3 times FIA_AFL 1 1 releases the authentication status of the service engineer and locks all the authentication functions to use the CE password The secret lock release function is executed and the CE authentication lock time goes by so that this lock status is released Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 85 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Role and management function for each management FMT SMR 1 1 maintains the role to do th
146. lass name FAD Protection of all data Meaning of abbreviation FAD Functional requirement for All Data protection Class behaviour This class contains a family specifying the requirement related with the protection of the user data and the TSF data with no distinction One family exists here Remaining Information Protection of All Data Family behaviour This family corresponds to the necessity never to access the deleted data or newly created object and TSF data which should not set as accessible This family requires the protection for the information that was deleted or released logically but has a possibility to exist still in TOE Component leveling FAD RIP Remaining Information Protection of All Data FAD_RIP 1 Remaining Information Protection of All Data after the explict deletion operation requires of TSF to assure that the subset of the defined object controlled by TSF cannot utilize every remainng information of every resource under the allocation of resource or the release of it Audit FAD RIP 1 The use of the user identification information with the explicit deletion operation Management FAD RIP 1 No expected management activity Remaining Information Protection of Data after the explict FAD_RIP 1 deletion operation FAD_RIP 1 TSF shall ensure that the content of the information allocated to source before shall not be available after the explicit deleti
147. le to use it excluding the MFP that the concerned CF installed 1 4 3 8 Enhanced Security Function Various setting functions related to the behavior of the security function for the Administrator function and the Service engineer function can be set collectively to the secure values by the operation settings of the Enhanced Security Function Each value set is prohibited changing itself into the vulnerable one individually As the function that does not have a setting function of the operation individually there is the reset function of the network setting and the update function of TOE through the network but the use of these functions is prohibited The following explains the series of the setting condition of being the enhanced security function active In order to activate the enhanced security function the prerequisite is required that an administrator password and a CE password should be set along with the password policy Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 17 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target Setup of user identification and authentication Valid Both authentication by the main body and function the external server are usable User Setup of access of PUBLIC Setup of a service engineer a
148. lized 7 5 2 Public User Box Function When the user is identified and authenticated as a registered user the task to act for the user who is identified and authenticated has User ID of the identified and authenticated user as the user attribute This task is permitted the display of the list of the public user box which is set the public as the user attribute The operation specification of each public user box is as follows As described above FIA_ATD 1 USB 1 FDP_ACC 1 1 and FDP_ACF 1 1 are realized Authentication function in access to a public user box For the access request for each public user box after the above mentioned verification function is operated the user who accesses is authenticated that it is a user permitted the use of a user box concerned respectively Offers the user box authentication mechanism that is authenticated by the user box password that consists of the character shown in Table 12 After the user box is authenticated to the access from the network it offers the user Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 108 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target box authentication mechanism using the session information besides the user box password gt According to protocol it utilizes the 10 0
149. lt Release process of HDD lock state gt At the MFP power ON the release process of HDD lock state of HDD lock function is achieved Release process is requested to HDD by using HDD lock password stored in HDD lt Modification process of HDD lock password gt F ADMIN requests to change the HDD lock password Modification process is requested to HDD by using HDD lock password stored in and new HDD lock password As described above FIT_CAP 1 3 is realized F SUPPORT CF CF lock operation support function F SUPPORT CF is the function to operate CF lock function of CF from TOE lt Release process of CF lock state gt At the MFP power ON the release process of CF lock state of CF lock function is achieved Release process is requested to CF by using CF lock password stored in CF lt Modification process of CF lock password gt F ADMIN requests to change the CF lock password Modification process is requested to CF by using CF lock password stored in and new CF lock password As described above FIT_CAP 1 4 is realized F ADMIN WebDAV WebDAV Administrator Function F ADMIN WebDAV is the security function that identifies and authenticates administrator when accessed via a network from a client PC using WebDAV and permits only the administrator who was identified and authenticated successfully to operate the counter management function The counter management function includes TSF data This is describ
150. ly Setup of maintenance function Prohibited Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 18 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 2 Conformance Claims 2 1 CC Conformance Claim This ST conforms to the following standards Common Criteria for Information Technology Security Evaluation Part 1 Introduction and general model 2006 9 Version 3 1 Revision 1 Translation v1 2 Part 2 Security functional requirements 2007 9 Version 3 1 Revision 2 Translation v2 0 Part 3 Security assurance requirements 2007 9 Version 3 1 Revision 2 Translation v2 0 e Security function requirement Part2 Extended e Security assurance requirement Part3 Conformant 2 2 PP Claim There is no PP that is referenced by this ST 2 3 Package Claim This ST conforms Package EAL3 There is no additional assurance component 2 4 Reference e Common Criteria for Information Technology Security Evaluation Part 1 Introduction and general model September 2006 Version 3 1 Revision 1 CCMB 2006 09 001 e Common Criteria for Information Technology Security Evaluation Part 2 Security functional components September 2007 Version 3 1 Revision 2 CCMB 2007 09 002 e Common Criteria for Information Technology Security Evaluation Part 3 Security assurance
151. ment to satisfy this requirement Reason for applied class FIA As this regulates to distinguish the external entity FIA class is optimal to summarize the vaious security function requirements for identification certification Reason for applied family EID This requirement is judged to be not relevant to the content extension of the existing family Therefore new Family was defined e FIT CAP 1 This is the security function requirement for regulating the necessary ability for TOE to use effectively the security function of the external entity IT environment Necessity of extension In case of TOE using the external security functions the external security function to be surely secure is important but TOE ability to provide is very important in order to used correctly the external security function But there is no concept as this requirement in the security function requirements Reason for applied class FIT There is no such concept in CC part 2 Therefore new Class was defined Reason for applied family CAP Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 37 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target As similar to class there is no such concept in CC part 2 Therefore new Family was defined 5 1 1 FAD_RIP 1 Definition C
152. n communications function SSL TLS server certificates are generated or imported gt The encryption method used for communications is set up Setup of the transmission address data Atransmission address or method used for box file transmission etc is selected gt S MIME certificates are imported Setting of encryption method that is used for data encryption Setup of the FTP server function gt Whether to activate or stop the function 15 selected FTP service is a function to manage counter information such as the number of printed sheets for each user gt Each account and user information can also be managed with counter information Setup of the ID amp print function Whether to activate the ID amp print function or not in normal printing is selected 1 4 3 6 Service Engineer Function TOE provides a management function of administrator and a maintenance function such as adjusting the device for Scan Print etc within the service mode that only a service engineer can operate The following shows the functions related to the security Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 15 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Modification function of administrator password The following is a set of opera
153. n function The authentication method in the SNMP password authentication function is set to the Authentication password only or the Privacy password and the Authentication password As described above FMT MOF 1 2 FMT SME 1 and FMT SMR 1 2 are realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 102 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 7 3 FSERVICE Service mode function F SERVICE is a series of security function that the service engineer operates such as the service engineer identification authentication function in service mode accessing from a panel and a security management function that includes a change in the CE password and the administrator password 1 3 1 Service engineer identification authentication function It is identified and authenticated the accessing user as the service engineer in response to the access request to the service mode from the panel Offers the CE authentication mechanism that is authenticated by the CE password that consists of the character shown in Table 12 The CE authentication mechanism by the separate session information is not required because the service mode can only be accessed from the panel Return for each character as feedback for the entered CE password Resets t
154. nces from the panel for 5 seconds in every failure When the authentication failure reaches 1 3 times FIA AFL 1 5 locks the authentication function for to the concerned secure print file This lock status is released by the administrator s release operation FMT MTD 1 3 permits only to the administrator the setting of the threshold of the authentication failure frequency that is the trial frequency of the failure authentication in the authentication of the user who is permitted the use of the secure print file When FIA ATD 1 and FIA_USB 1 relate the secure print internal control ID to the task of acting use ACC 1 2 FDP_ACF 1 2 permit the print operation to the secure print file that has a corresponding object attribute to the secure print internal control ID of the subject attribute As for secure print internal control ID FMT MSA 3 2 gives the value uniquely identified when the secure print file is registered Secure print password FMT MTD 1 8 permits only to the user the registration of the secure print password used for the authentication FIA SOS 1 5 verifies the quality of the secure print password Next for ID amp print file this security objective limits the print of the ID amp print file only for the user who registered that file so that various requirements regarding access control are necessary lt ID amp print file access control FDP_ACC 1 4 and FDP_ACF 1 4 permit the task substituting for a
155. ncryption Protection Chip sold as an optional part is necessary to work encryption function Image Controller Option parts The controller for image conversion process that be connected to MFP controller with Video bus It is not pre installed in MFP as standard according to the circumstances in sales but 1s an optional part but it is an essential component under this ST assumption Panel The exclusive control device for the operation of the MFP equipped with the touch panel of a liquid crystal monitor ten key start key stop key screen switch key etc Main power supply Sub power supply The power switch for activating MFP Network Unit The interface device to connect to the Ethernet It supports 10BASE T 100BASE TX and Gigabit Ethernet Local Connecting Unit Option A unit that connects the client PC with USB It is available to use Print function through this interface e USB The Port to print with local connection It has interface connected directly to MFP controller to backup the setting values to update the TOE in addition to use Print function FAX Unit Option parts A device that is used for the communication for sending and receiving FAX and for the remote Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 10 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Softw
156. nd the restorations function to the administrator and needs various requirements to limit the access to a series of setting function and the management function Management of network setting When the administrator attribute is associated with the task of substituting the use FDP ACC 1 3 and FDP_ACF 1 3 permits the task of substituting the user to operate the SMTP server group object DNS server group object settings for the MFP address group object PC FAX operation setting object and transmission address data object Operation limitation of Backup and restoration function When the administrator attribute is associated with the task of acting the use by FIA ATD 1 and FIA_USB 1 the task of acting the user is permitted the back up operation the user box files by ACC 1 1 and FDP_ACF 1 1 the secure print files by FDP_ACC 1 2 and ACF 1 2 the ID amp print files by FDP ACC 1 4 and FDP_ACF 1 4 In addition the restoration operation is permitted for SMTP server group object DNS server group object MFP address group object PC FAX operation setting object and transmission address data object by FDP ACC 1 3 and FDP ACF 1 3 Moreover the restoration operation modification operation is permitted only to the administrator for the following data the enhanced security setting data by FMT_MOF 1 1 the operation setting data of user authentication function encryption strength setting data
157. nd turn operation setting OFF by using the encryption passphrase currently set when it is re authenticated as an administrator When the new encryption passphrase satisfies the quality F CRYPT is performed and the encryption passphrase is changed In re authentication offer the encryption passphrase verification mechanism that verified the encryption passphrase that consists of the character shown in Table 12 Return in verification for each character as feedback for the entered encryption passphrase Verify the encryption passphrase newly set if the following qualities are satisfied gt Itis composed of the characters and by the number of digits shown in Table 12 gt Itshall not be composed of one kind of character gt Itshall not be matched with the current value As described above FIA_SOS 1 4 FIA_UAU 7 FIA UAU 6 FMT MTD 1 3 FMT SME 1 and FMT_SMR 1 2 are realized 7 1 8 18 Change of SNMP password The SNMP password Privacy password and Authentication password is changed Verify that the SNMP password newly set satisfies the following qualities gt Itis composed of the characters and by the number of digits shown in Table 12 As described above FIA SOS 1 2 FMT MTD 1 3 FMT 1 and FMT SMR 1 2 are realized 7 1 8 14 Setting of SNMP password authentication function The authentication method in the SNMP password authentication function is set to Only Authentication password or the
158. ning image file Image related file Transmission address data file User ID User password User box password Secure print password Account ID Account password S MIME certificate Remaining TSF data lt Object for the deletion CF CF remaining image file Object for the initialization NVRAM gt Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 112 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Administrator Password Operation setting of HDD lock function OFF HDD lock password is deleted Operation setting of CF lock function OFF CF lock password is deleted Operation setting of Encryption function OFF Encryption Passphrase is deleted Trusted Channel setting data Trusted Channel setting data is deleted because initialization has no default value Object for the initialization CF SNMP Password WebDAV server password The deletion methods such as the data written in HDD and the written frequency is executed according to the deletion method of all area overwrite deletion function set in ADMIN Table 13 The HDD lock password CF lock password and the encryption passphrase cannot be used for being turned off the operation setting of the HDD lock function CF lock function and th
159. ns nnns these earnest 6 1 4 TOE Description enin 7 1 41 Hole of the TOE User iu tear b Rr 7 1 4 2 Phisical Range of TOE merrier te tet ntti ead d nee n t eat ito 8 1 4 3 Logical Hange of TOE usan pe e ERE WERE tad Ub E EE ea pae oder egest 11 2 Conformance CLANS eene tei tais e a E E EA TEE 19 2 1 CO Gontormance ote oodd eoe e ene se 19 2 22 e nin et tit hatten teh Mei 19 2 3 Package lal usui tere t e et er HERR GU EO 19 2 4 iie de us a va dide 19 3 Security Problem Deflnitlon creen rire rettet tran tme tette hend 20 3 1 Protected Assets scx noe ILS a esI 20 3 2 ASSufTipuoriS oce cto oce eoe ti o CU ertet a oov o ra te e te tuia Ie ert 21 Didar IRC ALS ML ED Lm ME E 21 3 4 Organizational Security Policies sssesssseeenennenem ennemi 23 4 sut dedic adire d dem ects 25 4 1 Security Objectives for tlie TOE x cde tede rne e eie tie etg 25 4 2 Security objectives for the operation environment enm 27 4 3 Security Objectives 30 LAE uc A x 30 4 3 2 Sufficiency of AsSumpllons e RO Rr a Hl E EUER EL e PEE 31
160. nteger within 1 3 FIA AFL 1 2 5 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall assignment List of actions selection met surpassed Surpassed assignment List of actions lt Action when it is detected gt Deny the access to the secure print file and lock the authentication function for the secure print file lt Operation for recovering the normal condition gt Pertorm the delete function of authentication failure frequency offered within the administrator mode Hierarchical to No other components Dependencies FIA_UAU 1 FIA_UAU 2 4 FIA_AFL 1 6 Authentication failure handling FIA_AFL 1 1 6 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within lassignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Authentication for accessing the public user box selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values lassignment range of acceptable values an administrator configurable positive integer within 1 3 FIA AFL 1 2 6 When the defined number of unsuccessful authentication attempts has been selection met surpassed the TSF shall as
161. ntrol Hierarchical to No other components Dependencies FDP_ACC 1 or FDP_IFC 1 FDP_ACC 1 1 FMT SME 1 FMT SME 1 FMT SMR 1 FMT SMR 1 2 FMT SMR 1 3 FMT MSA 1 2 Management of security attributes FMT MSA 1 1 2 The TSF shall enforce the assignment access control SFP information flow control SFP to restrict the ability to selection change default query modify delete assignment other operations the security attributes assignment Zist of security attributes to assignment the authorized identified roles assignment list of security attributes User attributes of user box that is set the public selection change default query modify delete assignment other operations modify modify to User ID or account ID assignment he authorized identified roles User who is permitted to use that public user box Administrator assignment access control SFP information flow control SFP User box access control Hierarchical to other components Dependencies FDP_ACC 1 or FDP_IFC 1 FDP_ACC 1 1 FMT_SMF 1 FMT_SMF 1 FMT_SMR 1 FMT_SMR 1 2 FMT_SMR 1 4 FMT_MSA 1 3 Management of security attributes FMT_MSA 1 1 3 The TSF shall enforce the assignment access control SFP information flow control SFP to restrict the ability to selection change default query modify delete assignment other operations the security attributes assignment ist of security attributes to assignment
162. o 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target e Keep the CE password confidential e The CE password should be properly changed e When the service engineer changes the administrator password make the administrator to change it promptly OE SETTING SECURITY Operation setting of Enhanced Security function The administrator makes the setup of the enhanced security function effective for the operation of TOE Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 29 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target 4 3 Security Objectives Rationale 4 8 1 Necessity The correspondence between the assumptions threats and security objectives are shown in the following table It shows that the security objectives correspond to at least one assumption or threat Table 1 Conformity of Security Objectives to assumptions and Threats Assumption Treat JjOIAH3S V ADVYOLS LNO ONIYEL XOd SLVAlYd SSA9D9V L XOd ONENd SSADOV L XO8 dflOHO SSq3900VL 991995 55399 ONILLAS SSADOV L AYOLSSAY dNMOVE L d9 LNO ONIYE L VLVG NOILVOINNNIWOO d Security objectives 1 1 O TRUSTED PASS O CRYPTO MAIL O CRYPTO CA
163. o do the list display operation to the user box with the user attribute user ID of an object attribute corresponding to the user attribute user ID of the subject attribute Operation control to Group user box A task to act for a user is permitted to do the list display operation to the user box with the Account Name account ID of an object attribute corresponding to the Account Name account ID of the subject attribute Operation control to Public user box A task to act for the user who is related to the user attribute user ID is permitted to do the list display operation to the user box where Public is set to the user attributes of the object attribute Operational control to User box file A task to act for a user is permitted to print transmit E mail transmission FTP transmission SMB transmission FAX transmission and WebDAV transmission download move to other user boxes and copy to the other user boxes to the user box file that have the matched the user box attribute user box ID of the object attribute with the user box attribute user box ID of the subject attribute FDP ACF 1 3 1 The TSF shall explicitly permit access of subjects to objects based on the following additional rules assignment rules based on security attributes that explicitly authorize access of subjects to objects assignment rules based on security attributes that explicitly authorize access of subjects to objects A task to act
164. ock function is activated by O LOCK HDD CAPABILITY operation supporting to use HDD lock function and by OE LOCK HDD operation activating the operation of HDD lock function set bythe administrator and the service engineer Moreover a series of countermeasure for HDD the possibility of the threat is more reduced becaused O CRYPTO KEY generates the encryption key for TOE to encrypt data to be written in HDD and O CRYPTO CAPABILITY supports the operation of using encryption function and OE CRYPTO utilize the encryption function of encryption kit set by the administrator and the service engineer The danger of leaking exists by taking out the HDD and replacing another HDD without the HDD lock function but the validity of HDD installed by TOE is verified by O CHECK HDD data is not written in the HDD replaced secretly The possibility of the threat 1s removed consequently The possibility of the threat for the unauthorized access by the leak of the management information attached image file is removed because the operation conditions achieved through security enhanced function do not permit to select the condition of O CRYPTO KEY and OE CRYPTO only Accordingly this threat is countered sufficiently T ACCESS PRIVATE BOX Unauthorized access to personal user box using user function This threat assumes the possibility that an unauthorized operation is done by using the user function for the personal user box which each user uses to store the image file
165. of Algorithm Keysizes Cryptographic Operation Table 4 User Box Access Control Operational List Table 5 Secure Print File Access Control Operational Table 6 Setting Management Access Control Operational 5 Table 7 ID amp Print Access Control Operational Table 8 TOE Security Assurance Requirements ssssesssseeeenem eene Table 9 Conformity of IT Security Functional Requirements to Security Objectives Table 10 Dependencies of IT Security Functional Requirements Components Table 11 The list of the name and identifier of TOE Security Table 12 character and number of digits used for password Table 13 A type of overwrite deletion of all area and the method of overwriting Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 5 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 1 ST Introduction 1 1 ST Identification ST Title ST Version Created on Create
166. ol Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target 7 13 ES MIME S MIME Encryption Processing Function F S MIME is a function to encrypt the User box file when transmitting the User box file as S MIME User file Encryption Key generation The Encryption key is generated to encrypt the user box file by the pseudorandom number Generation Algorithm which FIPS 186 2 provides Encryption key length is 128bit 168bit 192bit or 256bit As described above FCS_CKM 1 is realized Encryption of User box file gt It is encrypted by AES which FIPS PUB 197 provides by using encryption key 128bit 168bit and 256bit to encrypt the user box file Itis encrypted by the 3 Key Triple DES which SP800 67 provides by using the encryption key 168bit to encrypt the user box file As described above FCS_COP 1 is realized Encryption of User box file Encryption key The encryption key to encrypt the user box file is encrypted by RSA which FIPS 186 2 provides The key length of the encryption key used in this case is 1024 bit 2048bit 3072bit or 4096bit As described above FCS_COP 1 is realized 7 14 ESUPPORT AUTH External Server authentication operation support function F SUPPORT AUTH is the function that realizes the user identification and authentication function in cooperation with the user information management server of ActiveDirectory the function that operates with FUSER When the use
167. oller of Control Software HDD Option Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 9 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Hard disk drive of 60GB in capacity It is utilized besides the image data 15 stored as a file temporarily image data with such as extension conversion and as an area where the transmission address data kept As a feature function the security function HDD lock function is installed being possible to set the password and not being possible to read and write unless it agrees to the password Furthermore when the frequency of uniformity of it becomes unsuccessful in password collation the function is also ready to lock the password collation function It is not pre installed in MFP as standard according to the circumstances in sales but is an optional part but it is an essential component under this ST assumption NVRAM Nonvolatile Memory The memory medium that stores various setting values needed for the operation of the MFP used for processing of TOE Encryption Kit or Encryption Protection Chip Option The cryptographic function which is mounted in the Encryption Kit the hardware on the MFP Controller is installed in order to encipher image data to be written in HDD or E
168. ollowing rules on the initial association of user security attributes with subjects acting on the behalf of users assignment rules for the initial assocication of attributes assignment rules for the initial assocication of attributes lt User box attribute gt The user box ID of the concerned user box associates to the task acting on the behalf of users when authenticated with the access to the user box lt Account Name gt In the method not synchronized with User authentication the account ID of the concerned account associates to the task acting on the behalf of users when authenticated with the access to the account In the method synchronized with User authentication the account ID that is set to the concerned user associates to the task acting on the behalf of users when authenticated with the access to the user lt File attribute gt The secure print internal control ID of the concerned secure print file associates to the task acting on the behalf of users when authenticated with the access to the secure print file lt User attribute gt The user ID of the concerned user associates to the task acting on the behalf of users when authenticated with the access to the user lt Administrator attribute gt The Administrator ID associates to the task acting on the behalf of users when authenticated with the access to the Administrator FIA_USB 1 3 The TSF shall enforce the following rules governing changes to the user securit
169. on and registering the user password It verifies whether the user password newly set have been satisfied the following qualities gt Itis composed of the characters and by the number of digits shown in the Table 12 gt It shall not be composed of one kind of character While the external server authentication is effective the user password cannot be registered Also register the belonging account account ID and relate The account setting is necessary beforehand Change of user password Only the user who uses with the machine authentication as User authentication method User password is changed It verifies whether the user password newly set have been satisfied the following qualities gt Itis composed of the characters and by the number of digits shown in the Table 12 gt It shall not be composed of one kind of character User deletion User ID and user password is deleted When a personal user box that a concerned user owns exists that personal user box is automatically set to the public user box of user attributes public Change of the belonging account The belonging account that related to user is changed As described above FIA SOS 1 3 FMT_MTD 1 1 FMT MTD 1 2 FMT MTD 1 3 FMT MTD 1 10 FMT MTD 1 12 FMT SMFE 1 and FMT SMR 1 2 are realized 7 1 3 8 User Box Settings User Box Registration To register a personal user box or a public user box by selecting the user attribute to the non
170. on operation against the object and TSF data assignment object list and TSF data list Hierarchical to other components Dependencies dependencies 5 1 2 FIA_EID 1 Definition Family behaviour This family corresponds to the necessity to ensure that IT environment entity is not illegally Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 38 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target replaced when IT environment entity out of TOE provides the security functions This family requires the verification of the authentication of IT environment entity Component leveling FIA EID External entity identification Meaning of abbreviation EID External entity IDentification EID 1 IT environment entity identification becoming an access object of requires the success of validity verification for IT environment entity before the action 1s involved in IT environment entity Audit FIA EID 1 The following actions should be auditable if GEN Security audit data generation is included in the PP ST a Minimal Unsuccessful use of IT environment entity identification mechanism including offered IT environment entity identification information b Basic Use all of IT environment ent
171. on supporting to use CF lock function and by OE LOCK CF operation activating the operation of CF lock function set bythe administrator and the service engineer The danger of vulnerable operation for setting values related security exists by taking out the CF and replacing another CF without the CF lock function or another CF disabled CF lock function but the validity of CF installed by TOE is verified by O CHECK CF the replaced CF does not work The possibility of the threat is removed consequently Accordingly this threat is countered sufficiently 4 8 4 Sufficiency of Organizational Security Policies Security objective corresponding to organizational security policies is explained as follows P COMMUNICATION DATA secure communication of image file This organizational security policy prescribes carrying out processing via trusted pass to a correct destination or encrypting to ensure the confidentiality about the image file which flows on a network in the case of the organization or the user expect to be protected As this corresponds as one s request there is no need to provide secure communication function for all communication At least one secure communication method between MFP and client PC needs to be provided when transmitting the secure print file the user box file or ID amp print file O TRUSTED PASS offers the Trusted Channel to a correct destination in the transmition and reception of an image such as from to client PC
172. onando eae E 77 BESECERBEBEEEEHEBHEEBEHEE IEEE EE Fm sma HAEE A AE E E eee ee E PTET TET YE bel EREE EE gt lt re ERI US he i i ELE E M Note set admin and set service indicates the set of the requirements And the security objectives assumed to have the correspondence and presented by X also correspond to a series of requirement set associated by set admin and set service shown in column 6 2 1 2 Sufficiency The IT security functional requirements for the security objectives are described as follows O REGISTERED USER Usage of a registered user This security objective limits the utilization of MFP installing TOE to only the registered user and needs various requirements that related to the user identification and authentication Necessary requirement for identification and authentication of the user It identifies and authenticates that the user who accesses is a registered user by UID 2 3 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 73 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target and UAU 2 3 FIA_UAU 7 returns for each entered char
173. only to the user who registered that file O CONFIG Access limitation to management function TOE permits only the administrator the operation of the following functions e The setting function related to the SMTP server e The setting function related to the DNS server e The setting function related to the address of e Backup function e Restoration function e The setting function of HDD Lock function Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 25 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target e The setting function of CF Lock function e The setting function of Encryption function e The setting function of Trusted Channel function setting data e The setting function of certification transmission address data etc used for S MIME function e Counter management function e The setting function of WebDAV server e The setting function of TSI receiving e The setting function of PC FAX operation TOE permits the operation of the following functions only to the administrator and the service engineer e The function related to the setting of Enhanced Security function O OVERWRITE ALL Complete overwrite deletion TOE overwrites all data regions of HDD and CF in MFP by using the deletion data and makes all the image data of restoration impos
174. ord is received together with printing data the image file 1s stored as standby status Then printing is performed by a print direction and password entry from the panel When printing is requested by a client PC this function eliminates the possibility that other users stole a glance at the printing of highly confidential data or such data 1s slipped into the other printings ID amp Print Function When this function is set up usual print data are saved in the print waiting state and printed by the user authentication processing from the panel Even when this function is not set up if it is specified on the print data to activate this function the system will operate in the same manner as this function is set up by a user 1 4 3 2 User Box Function A directory called a user box can be created as an area to store image files in HDD Three types of user box are usable the first is the personal user box which a user possesses the second is the public user box which is shared by registered users who made a certain number of groups and the third is the group box which is shared by the users belonging to same account As for the personal user box the operation is limited only for the user who owns it the public user box performs access control by sharing a password set to the user box among users and the group box limits operations only for the users of the account that are permitted to use it TOE processes the following operation r
175. ossibility that an unauthorized operation is done by using the user function for the public user box which each user shares to store the image file O REGISTERED USER assumes that only the user to whom TOE was registered 15 permitted to use MFP installing TOE furthermore the operation of the public user box and the user box file in the public user box is restricted only to the user who is permitted by O PUBLIC BOX so that the possibility of the threat is reduced When the user information management server is used the possibility of the threat is reduced because the user identification and authentication function is operated through O AUTH CAPABILITY supporting the operation for the user identification and authentication function by the user information management server of Active Directory and through OE SERVER setting to use the user management by the administrator OE FEED BACK uses the application regulating to return the protected feedback for the entered password in the user s authentication and user box s authentication and OE N SESSION requires the log off operation after the operation ends so that O REGISTERED USER and O PUBLIC BOX are supported sufficiently Accordingly this threat is countered sufficiently T ACCESS GROUP BOX Unauthorized access to a group user box using user function This threat assumes the possibility that an unauthorized operation is performed by using the user function for the group box that is a storage area of
176. other components Dependencies FDP 1 FDP_ACF 1 3 Table 6 Setting Management Access Control Operational List Operational list A task to act for a user SMTP Server Group Object Settings DNS Server Group Object Restore MFP Address Group Object 6 PC FAX operation setting Object Transmission Address Data Object FDP ACC 1 4 Subset access control ACC 1 1 4 The TSF shall enforce the assignment access control SFP on assignment List of subjects objects and operations among subjects and objects covered by SFP assignment ist of subjects objects and operations among subjects and objects covered by SFP Listed in Table7 ID amp print Access Control operational list assignment access control SFP ID amp print file access control Hierarchical to No other components Dependencies FDP_ACF1 FDP_ACF1 4 Table 7 ID amp Print Access Control Operational List Subject Object Operational list A task to act for a user ID amp print File FDP_ACF 1 1 Security attribute based access control FDP_ACF 1 1 1 The TSF shall enforce the assignment access control SFP to objects based on the following assignment list of subjects and objects controlled under the indicated SFP and for each the SFP relevant security attributes or named groups of SFP relevant security attributes assignment list of subjects and objects controlled under the indicated SFP
177. perates when it is authenticated The task to act for the user who is identified and authenticated has the authenticated secure print internal control ID as the file attribute gt This task is permitted the printing to the secure print file with a corresponding file attribute to the file attribute of this task As described above FIA_ATD 1 USB 1 FDP ACC 1 2 and ACFE 1 2 are realized 3 Registration function of a secure print file When it is authenticated as a registered user in the registration request of the secure print file the user is permitted to register the secure print password with the concerned secure print file As described above FMT MTD 1 8 FMT SME 1 and FMT SMR 1 3 are realized Registration of the secure print password The registered secure print password is verified to meet the following requirements It is composed of the characters and by the number of digits shown in Table 12 It shall not be composed of one kind of character As described above FMT SOS 1 5 is realized Giving of the secure print internal control ID When the verification of the secure print password is completed in a registration request of the secure print file the secure print internal control ID uniquely identified is set to the concerned secure print file As described above FMT_MSA 3 2 is realized 1 6 2 ID amp print Function Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reser
178. provides appropriate protected feedback to the user password user box password account password administrator password secure print password SNMP password and WebDAV server password which will be entered OE LOCK HDD Utilization of HDD with HDD lock function The service engineer and the administrator install HDD with HDD lock function in and set to utilize the function OE LOCK CF Utilization of CF with CF lock function The service engineer and the administrator install CF with CF lock function in and set to utilize the function OE SERVER Utilization of user information management server The administrator sets to utilize user management by Active Directory in case of using external user information management server in stead of MFP for the management of user account OE SESSION Termination of session after operation The administrator has the user implement the following operation e After the operation of the secure print file ID amp print files and the operation of user box and user box file ends the logoff operation 1s performed The administrator executes the following operation e After the operation of the various function in administrator mode ends the logoff operation Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 27 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50
179. r FDP IFC 1 MT SMF 1 F F FMT_SMR 1 ye DP_ACC 1 or FDP_IFC 1 MT SMF 1 MT SMR 1 MT MSA 1 MT SMR 1 FMT_MSA 1 FMT_SMR 1 FIA UID 2 5 UID 2 6 3 FIA_UID 21 4 5 UAU 2 1 FIA_UAU 2 2 UAU 2 3 FIA ATD 1 FMT SMR 1 1 FMT SMR 1 2 FMT_SMF1 FMT SMR 1 2 FMT SMFE FMT SMR 1 2 DP ACC 1 1 MT MSA 1 1 FMT MSA 1 2 MT SMR 1 3 Neither is applicable lt The reason not to apply FMT_MSA 1 gt This is the internal control ID that is identified uniquely and this does not require the management such as change or deletion after this is assigned once lt FMT_SMR 1 gt The assignment of FMT_MSA 3 2 2 is not applicable FMT_SMR 1 is the dependency that is set relating to the following and so there is no necessity of application Neither is applicable lt The reason not to apply FMT_MSA 1 gt The user box attribute of a user box file always needs Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 88 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target Functional Requirements Component for this ST FMT MSA 3 4 FMT_MTD 1 12 FMT SMF 1 FMT SMR 1 1 FIA UID 1 Dependencies on CC Part 2 FMT_MSA 1
180. r information management server is used for user identification method the inquiry for the identification of the user 1s done for the user information management server under the user s request of the identification and authentication process After this inquiry the user identification and authentication process is realized by getting the user identification information returned back from user information management server As described above CAP 1 1 is realized 7 15 KFSUPPORT CRYPTO Cryption kit operation support function F SUPPORT CRYPTO is the function that operates the cryption function by cryption kit under TOE support The encryption process for the image files written in HDD is achieved through the cryption kit by setting the encryption key that F CRYPTO generates on it Furthermore the decryption process for the image files read from HDD is achieved through the cryption kit by setting the encryption key that F CRYPTO generates on it As described above FCS_CAP 1 2 is realized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 115 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target 1 16 FSUPPORT HDD HDD lock operation support function 7 17 7 18 F SUPPORT HDD is the function to operate HDD lock function of HDD from TOE
181. r property Responded the registered situation of the user box classified into the following cases 1 Public when an user box is registered by the operation of user or administrator 2 User ID of the user who performed the relevant job when an user box is registered automatically according to the operation of stored job specifying unregistered user box assignment access control SFP information flow control SFP User box access control FMT MSA 3 2 1 The TSF shall allow the assignment the authorized identified roles to specify alternative initial values to override the default values when an object or information is created assignment he authorized identified roles Case 1 identified in assignment other property of FMT MSA 3 1 User administrator Case 2 identified in assignment other property of FMT MSA 3 1 None Hierarchical to No other components Dependencies FMT MSA 1 FMT_MSA 1 1 FMT_MSA 1 2 FMT SMR 1 FMT_SMR 1 3 FMT_MSA 3 2 Static attribute initialization FMT_MSA 3 1 2 The TSF shall enforce the assignment access control SFP information flow control SFP to provide selection choose one of restrictive permissive assignment other property default values for security attributes Secure print internal control ID that are used to enforce the SFP selection choose one of restrictive permissive assignment other property lassignment other prop
182. ration FCS CKM 1 1 The TSF shall generate cryptographic keys in accordance with a specified cryptographic key generation algorithm assignment cryptographic key generation algorithm and specified cryptographic key sizes assignment cryptographic key sizes that meet the following assignment Jist of standards assignment J st of standards Listed in Table2 Cryptographic key generation Relation of Standards Algorithm Key sizes assignment cryptographic key generation algorithm Listed in Table2 Cryptographic key generation Relation of Standards Algorithm Key sizes assignment eryptographic key sizes Listed in Table2 Cryptographic key generation Relation of Standards Algorithm Key sizes Hierarchical to No other components Dependencies FCS_CKM 2 or FCS_COP 1 FCS_COP 1 FCS_CKM 4 N A Table 2 Cryptographic Key Generation Relation of Standards Algorithm Key sizes List of Standards Cryptographic Key Generation Algorithm Cryptographic Key sizes FIPS 186 2 Pseudorandom number Generation Algorithm 128 bit 192 bit Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 41 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target 168 bit 256 bit KonicaMinolta KonicaMinolta HDD Encryption Key Generation 128 bi
183. registration user box ID selected When it s registered it is possible to select User ID in the user attribute of the user box which have been specified Public as a default value gt Inthe case of the personal user box the arbitrary user ID registered is specified gt Inthe case of the public user box verify that a user box password registered satisfies the following conditions e 15 composed of the characters and by the number of digits shown in the Table 12 e It shall not be composed of one kind of character Specify the arbitrary account ID registered when Group user box 2 associates with the external server authentication setting data that is set in the case of the use of the external server only Active Directly method is applicable as the method of the user authentication function Because it deals when there are plural user information management servers there is the case which plural authentication server information are included in the external server information setting data Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 94 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target Change of User Box Password Theuser box password set to the public user box is changed gt verifies whether the user box password newly set have
184. restore function of NVRAM CF and HDD gt This is performed through the network by using an application exclusive use for the management installed in the client PC Complete overwrite deletion function of HDD There are data deletion methods conformed to various military standards ex Military Standard of United States Department of Defense gt When this function is started up in conformity with a set method the overwrite deletion is executed for the overall area of HDD Format function of HDD Alogical format is executable Counter management function Afunction to manage the counter information of the number of printed sheets for each user through the WebDAV service or FTP service Setup of the WebDAV server Setup of the communications function of the WebDAV server which can obtain user settings Management of FAX setting Setting of TSI receiving Setting of FAX output at PC FAX receiving Storing in Box or common Boxarea for all users are available FTP Serverfunction setting gt Whether to activate or stop the function is selected The functions below are the operation setting functions related especially to the behavior of the security function Method setting of a user authentication function Machine authentication external server authentication or user authentication stop is selected Combination with Account Authentication is set up Method synchronized with User Authentication
185. rmitted the use of the account FIA_UAU 7 returns for each entered character as feedback protected by the panel and supports the authentication In the case of the failure authentication from the panel FIA AFL 1 8 refuses all input acceptances from the panel for 5 seconds in every failure When the authentication failure reaches 1 3 times FIA AFL 1 7 locks the authentication function for that account from then on This lock status is released by the administrator s release operation FMT MTD 1 3 permits only the administrator the setting of the threshold of the unauthorized access detection value that is the trial frequency of the failure authentication in the authentication of the user who is permitted the use of the group user box When FIA_ATD 1 and FIA_USB 1 relates to the user box ID under the task to act for user FDP ACC 1 1 and FDP_ACF 1 1 permits the user box file that has a corresponding object attribute to the account ID and the user box ID of the subject attribute the operation such as Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 77 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target print download transmissions movement and copy Necessary requirement to manage the group box FMT MAS 1 3 permits the modification operation of
186. s assignment Zist of security attributes User attributes User ID User box attributes User box ID File attributes Secure print internal control ID Account name Account ID Administrator Attribute Hierarchical to No other components Dependencies No dependencies FIA_SOS 1 1 Verification of secrets FIA_SOS 1 1 1 The TSF shall provide a mechanism to verify that secrets Administrator Password CE Password meet assignment a defined quality metric assignment a defined quality metric Number of digits 8 digits Character type possible to choose from 92 or more characters Rule 2 Do not compose by only the same kind of character strings Do not set the same password as the current setting Hierarchical to No other components Dependencies No dependencies FIA SOS 1 2 Verification of secrets FIA SOS 1 1 2 The TSF shall provide a mechanism to verify that secrets SNMP Password meet assignment defined quality metric assignment a defined quality metric Number of digits 8 digits or more Character type possible to choose from 93 or more characters Hierarchical to No other components Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 52 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software
187. session information or more or generated and uses the 10 session information or more Return for each character as feedback for the entered user box password Resets the number of authentication failure when succeeding in the authentication gt Incase of the access from the panel when it fails in the authentication an input from the panel is not accepted for five seconds gt When the authentication failure that becomes the 1 3 times in total is detected for the public user box concerned the authentication function to the public user box concerned is locked The administrator specifies the failure frequency threshold by the unauthorized access detection threshold setting function The lock of the authentication function is released by the lock release function to the public user box of FADMIN executed As described above FIA_AFL 1 6 FIA AFL 1 8 FIA SOS 1 6 FIA SOS 2 FIA_UAU 2 5 FDP_UAU 7 and FIA UID 2 5 are realized The following is a function that the user who is permitted the use of the user box is offered in the user box identification and authentication domain of the user box Access control to a user box file in a public user box The task to act for the user is related the User Box ID of the user box as a user box attribute in addition to the user attribute This task is permitted the user box file which have a corresponding user box attribute to the user box attribute of the subject attribute to do the
188. sible In addition TOE offers a function to initialize a setting value such as the highly confidential password on NVRAM administrator password HDD Lock password Encryption passphrase and password on CF SNMP password and WebDAV server password that is set by a user or an administrator O CRYPT KEY Encryption key generation TOE generates the encryption key to encrypt and store the image files written in HDD in MFP O CHECK HDD Validity confirmation of HDD TOE verifies that correct HDD is installed O CHECK CF Validity confirmation of CF TOE verifies that correct CF is installed O TRUSTED PASS The use of Trusted Channel TOE offers the function that communicates via Trusted Channel the following image file which is transmitted and received between MFP and client PC lt Image file transmitted from MFP to client PC gt e User box file lt Image file transmitted from client PC to MFP gt e Image file that will be stored as user box file e Image file that will be stored as secure print file e Image files that will be stored as ID amp print files O CRYPTO MAIL The use of encrypted mail TOE offers the function that encrypts and transmits the user box file transmitted from MFP to the correct destination with e mail O AUTH CAPABILITY The support operation to utilize user identification and authentication function TOE supports the necessary operation to utilize the user identification and authentication Copyright c 20
189. signment List of actions selection met surpassed Surpassed assignment List of actions Action when it is detected While authentication is performed log off from the authentication status of the user box and lock the authentication function for the concerned user box Otherwise lock the authentication function which uses the user password Operation for recovering the normal condition Perform the delete function of authentication failure frequency offered within the administrator mode Hierarchical to No other components Dependencies UAU 1 FIA_UAU 2 5 FIA_AFL 1 7 Authentication failure handling FIA_AFL 1 1 7 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within assignment range of acceptable values unsuccessful authentication attempts occur related to assignment List of authentication events assignment Zist of authentication events Account authentication Account authentication when the belonging account of the user who accesses in the synchronized method is not registered Account authentication Account authentication of the user who accesses in the method not synchronized selection assignment positive integer number an administrator configurable positive integer Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved
190. sion and WebDAV transmission and removes and copies to the other user box the user box file T ACCESS GROUP BOX Unauthorized access to the group user box which used a user function Exposure of the user box file when a person or the user with malicious intent accesses the group user box which the account where a user does not belong to owns and downloads prints transmits E mail transmission FTP transmission FAX transmission SMB transmission and WebDAV transmission and removes and copies to the other user box the user box file T ACCESS SECURE PRINT Unauthorized access to the secure print file or ID amp print file by utilizing the user function e Secure print files are exposed by those malicious including users when he she prints ones to which access is not allowed e D amp print files are exposed by those malicious including users when he she prints ones which were registered by other users T UNEXPECTED TRANSMISSION Transmission to unintended address e Malicious person or user changes the network settings that is related to the transmission of a user box file Even an addressee is set precisely a user box file is transmitted the E mail transmission or the FTP transmission to the entity which a user does not intend to so that 5Abbreviation of Server Message Block Protocol to realize the file sharing or printer sharing on Windows Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved
191. ssignment necessary capability list for the operation of security service Support function of the the image files processing by encryption function Hierarchical to other components Dependencies No dependencies Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 69 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target FIT CAP 1 3 Capability of using security service of IT environment entity FIT CAP 1 1 3 TSF shall provide the necessary capability to use the service for assignment security service provided by IT environment entity assignment necessary capability list for the operation of security servicel assignment security service provided by IT environment entity HDD lock function achieved by HDD assignment necessary capability list for the operation of security service Support function of modifying HDD lock password Support function of releasing HDD lock function Hierarchical to No other components Dependencies dependencies FIT_CAP 1 4 Capability of using security service of IT environment entity FIT_CAP 1 1 4 TSF shall provide the necessary capability to use the service for assignment security service provided by IT environment entity assignment necessary capab
192. t TOE Security Assurance Requirements ST introduction ASE INT 1 Security objectives ASE OBJ 2 Derived security requirements ASE REQ 2 Security problem definition ASE SPD 1 TOE summary specification ASE TSS 1 Analysis of coverage ATE COV 2 Class ATE ATE DPT1 Tests ATE IEEE 1 Independent testing sample testing sample ATEIND 2 _IND 2 Class AVA Vulnerability analysis AVA_VLA 1 Vulnerability Assessment 6 2 IT Security Requirements Rationale 6 2 1 Rationale for IT Security Functional Requirements 6 2 1 1 Necessity The correspondence between the security objectives and the IT security functional requirements are shown in the following table It shows that the IT security functional requirements correspond to at least one security objective Table 9 Conformity of IT Security Functional Requirements to Security Objectives O x Security Objective A3M LdAHO O ulUpe1es 01 8 QGH O3HO O XO amp 8alVAlHd O xog amp oriand o Xog dnouoo lNIHd 3Hf1l0dS O SSvd aaisnuro TlIVINFOLdAHO TIV 31lHMH3AO O ALIMIEVdVO HLAVW Security dasnraaualsioaH Functional ALlTlavdVO OLdAHO O ALlTlavdVO H49 40OTO Requirements setadmin RE e Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 71 117 BE ALlIlIavdvO daH 2OT
193. t Encryption Algorithm SHA 256 specification standard FCS COP1 Cryptographic operations FCS 1 1 The TSF shall perform assignment Zist of Cryptographic operations in accordance with a specified cryptographic algorithm assignment cryptographic algorithm and cryptographic key sizes assignment cryptographic key sizes that meet the following assignment Jist of standards assignment list of standards Listed in Table3 Cryptographic operation Relation of Algorithm Key sizes Cryptographic operation assignment cryptographic algorithm Listed in Table3 Cryptographic operation Relation of Algorithm Key sizes Cryptographic operation assignment cryptographic key sizes Listed in Table3 Cryptographic operation Relation of Algorithm Key sizes Cryptographic operation assignment Zist of cryptographic operation Listed in Table Cryptographic operation Relation of Algorithm Key sizes Cryptographic operation Hierarchical to No other components Dependencies FDP_ITC 1 or FDP_ITC 2 FCS_CKM 1 FCS_CKM 1 only a part of events FCS_CKM 4 N A Table 3 Cryptographic Operation Relation of Algorithm Keysizes Cryptographic Operation List of standards Cryptographic Cryptographic Contents of Cryptographic operation algorithm key sizes FIPS PUB 197 128 bit Encryption of S MIME transmission data 192 bit 256 bit SP800 67 3 Key Triple DES 168 bit Encryption of S MIME
194. t the ability to selection change default query modify delete clear assignment other operations the assignment List of TSF data to assignment the authorized identified roles assignment Zist of TSF data User ID Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 61 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target Account ID Account password Secure print password Panel auto log off time Threshold Number of authentication failure External server authentication setting data S MIME certificate Belonging Account of User Administrator authentication lock time Encryption passphrase HDD lock password CF lock password SNMP password TSI receiving setting data WebDAV server password selection change default query modify delete clear lassignment other operations modify assignment the authorized identified roles Administrator Hierarchical to No other components Dependencies FMT_SMF 1 FMT_SMF 1 FMT SMR 1 FMT_SMR 1 2 FMT_MTD 1 4 Management of TSF data FMT_MTD 1 1 4 The TSF shall restrict the ability to selection change_default query modify delete clear assignment other operations the assignment List of TSF datal to assignment the author
195. ternal server authentication has been selected as the user authentic method the identified and authenticated user is registered as an user ID with the user name and authentication server information that was used with identification and authentication As described above FIA UID 2 7 FMT MTD 1 10 FMT SME1 and FMT SMR 1 5 are realized 7 4 2 Auto logoff function in user identification and authentication domain While the user who is identified and authenticated is accessing from a panel if it does not accept any operations for more than the panel automatic logoff time it logs off from a user identification and authentication domain automatically As described above FTA_SSL 3 is realized 7 4 3 Modification function of user password Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 106 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target When the identification and authentication are succeeded and the access to the user identification and authentication domain is permitted the user is permitted to change its own password When the external server authentication is effective this function cannot be applied When the user password newly set satisfies the following qualities it is changed gt 18 composed of the characters and by the number of
196. tion of user attribute of user box by user who is permitted the use of public user box Modification function of user box password of the user box by user who is permitted the use of public user box Modification function of the concerned user box s user attribute by user who is permitted the use of the group box Hierarchical to No other components Dependencies No dependencies FMT_SMR 1 1 Security roles FMT_SMR 1 1 1 The TSF shall maintain the roles assignment the authorized identified roles assignment the authorized identified roles Service Engineer FMT SMR 1 2 1 The TSF shall be able to associate users with roles Hierarchical to No other components Dependencies FIA UID 1 UID 2 1 FMT SMR 1 2 Security roles FMT SMR 1 1 2 The TSF shall maintain the roles assignment he authorized identified roles assignment the authorized identified roles Administrator FMT SMR 1 2 2 The TSF shall be able to associate users with roles Hierarchical to No other components Dependencies FIA UID 1 _ UID 2 2 FMT SMR 1 3 Security roles FMT SMR 1 1 3 The TSF shall maintain the roles assignment he authorized identified roles assignment the authorized identified roles User FMT SMR 1 2 3 The TSF shall be able to associate users with roles Hierarchical to No other components Dependencies FIA_UID 1
197. tion setting functions related especially to the behavior of the security function Authentication setup of the service engineer with the CE4 password Whether to activate or stop the function 1s selected Setup of remote diagnostic function later description gt Able to select permission or prohibition Setup of a TOE update function via Internet gt Able to select permission or prohibition Setup of maintenance function gt Able to select permission or prohibition The format function of HDD gt Alogical format and a physical format are executable Installation setting of HDD gt An explicit installation setting is necessary to use HDD as a data storage area Initialization function gt The various settings that the user or the administrator has set and the data that the user has stored are deleted 1 4 3 7 Other Functions TOE provides the functions that run background without awareness of the user and the updating function of TOE The following explains the major functions 1 2 3 Encryption key generation function Performs encryption decryption by ASIC when writing data in HDD or reading data from HDD TOE does not process the encryption and description itself The operational setup of this function is performed by the administrator function When activated TOE generates the encryption key by the encryption passphrase that was entered on the panel
198. tive is satisfied by the completion of these multiple functional requirements O SECURE PRINT Access control of secure print file and ID amp print file These security objectives explain the policy for the secure print file and ID amp print file First for secure print file this security objective limits the print of the secure print file only for the user who is permitted the use of the secure print file and requires various requirements that relate to the access control Secure print file access control After the user has been identified and authorized the user ID is related to the task of acting a use by FIA ATD 1 and USB 1 FDP ACC 1 2 and FDP ACE 1 2 permits the list display operation of every secure print user box to the task of acting the user who has user ID As it must be a user who is permitted the use of the secure print file to print it FLA_UID 2 4 and FIA_UAU 2I 4 identifies and authenticates that it is a user who is permitted the use of Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 78 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target the secure print file FIA UAU 7 returns for each entered character as feedback protected by the panel and supports the authentication FIA AFL 1 8 refuses all input accepta
199. to whom TOE was registered 15 permitted to use MFP installing TOE furthermore the operation of the secure print and ID amp print is limited only to the authorized user by O SECURE PRINT so that the possibility of the threat is reduced When the user information management server is used the possibility Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 33 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target of the threat is reduced because the user identification and authentication function is operated through O AUTH CAPABILITY supporting the operation for the user identification and authentication function by the user information management server of Active Directory and through OE SERVER setting to use the user management by the administrator OE FEED BACK uses the application regulating to return the protected feedback for the entered password in the user s authentication and access authentication to the secure print and ID amp print and OE N SESSION requires the log off operation after the operation ends so that O REGISTERED USER and O SECURE PRINT are supported sufficiently Accordingly this threat is countered sufficiently e TUNEXPECTEC TRANSMISSION Transmission to unintended address This threat assumes the possibility of sending the user box file
200. toring box at TSI receiving relating the transimitter s telephone number with the box as the identification information of transimitter s terminal As described above FDP ACC 1 3 FDP ACP1 3 MTD 1 3 FMT_SMF1 and FMT SMR 1 2 are realized 7 1 3 20 Function related to Enhanced Security function The function that influences the setting of the Enhanced Security function that the administrator operates is as follows It has explained the influence of the backup and Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 100 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target restoration function in 7 1 3 9 Operation setting of Enhanced Security function Function to set valid or invalid of Enhanced Security function HDD logical format function Function to write the default value of management data using the file system of HDD Along with the execution of this logical format the setting of the Enhanced Security function 18 invalidated All area overwrite deletion function The settings of enhanced security function are invalidated by executing the overwrite deletion of all area As described above FMT MOF 1 1 FMT SMFE 1 and FMT SMR 1 2 are realized 7 1 3 21 Function that relates to password initialization function The function t
201. transmission data FIPS 186 2 RSA 1024 bit Encryption of cryptographic key to encrypt 2048 bit S MIME transmission data 3072 bit 4096 bit Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 42 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 6 1 1 2 User data protection FDP ACC 1 1 Subset access control ACC 1 1 1 The TSF shall enforce the assignment access control SFP on assignment List of subjects objects and operations among subjects and objects covered by the SFP assignment list of subjects objects and operations among subjects and objects covered by the SFP Listed Table4 User box access control operational list assignment access control SFP User Box access control Hierarchical to No other components Dependencies FDP 1 FDP_ACE 1 1 Table 4 User Box Access Control Operational List Subject Object Operational List A task to act for a user List of user boxes User Box File Print Transmission E mail transmission FTP transmission SMB transmission FAX transmission and WebDAV transmission Download Move to other user boxes Copy to other user boxes Backup FDP ACC 1 2 Subset access control ACOC 1 1 2 The TSF shall enfor
202. ts Reserved 20 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target e CF remaining Image File gt Thefile which remains in the Compact Flash memory data area that is not deleted only by general deletion operation deletion of a file maintenance area The data leak possibility does not exist when HHD is preinstalled as standard When HDD is not preinstalled and image file happens to be in CF this leakage possibility exists e Image related File gt Temporary data file generated in print image file processing e Transmission Address Data File gt File including E mail address and telephone numbers that become the destination to transmit an image 3 2 Assumptions The present section identifies and describes the assumptions for the environment for using the TOE A ADMIN Personnel conditions to be an administrator Administrators in the role given to them will not carry out a malicious act during the series of permitted operations given to them A SERVICE Personnel conditions to be a service engineer Service engineers in the role given to them will not carry out a malicious act during series of permitted operations given to them A NETWORK Network connection conditions for MFP e The intra office LAN where the MFP with the TOE will be installed is not intercepted e When the
203. tting of the Enhanced Security function is invalidated along with the execution of this physical format Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 104 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target gt Initialization function Function to reset every setting value written in NVRAM to the factory default The setting of the Enhanced Security function is invalidated by executing this initialization function As described above FMT_MOF 1 1 FMT SME 1 and FMT SMR 1 1 are realized 7 4 FUSER User Function F USER identifies and authenticates the user for the use of MFP various function To the identified and authenticated user it offers the management function of the user password that is managed in the MFP at the time of machine authentication besides the permission of the use of functions such as F BOX and F PRINT 7 4 1 User Identification and Authentication Function lt Account Authentication User identification and authentication in the synchronized method gt When the access request for the user box and the request for the registration of the secure print file it is identified and authenticated to be a user Account Name account ID is associated with the concerned user ID that is set up beforehand besides the user ID for the identi
204. turns for each entered character as feedback protected by the panel and supports the authentication In the case of the failure authentication from the panel FIA AFL 1 8 refuses all input acceptances from the panel for 5 seconds in every failure When the authentication failure reaches 1 3 times FIA AFL 1 6 locks the authentication function for that user from then on This lock status is released by the administrator s release operation FMT MTD 1 3 permits only to the administrator the setting of the threshold of the unauthorized access detection value that is the trial frequency of the failure authentication in the authentication of the user who is permitted the use of the user box When FIA ATD 1 and FIA USB 1 relates a user box ID to the task of acting use FDP ACC 1 1 and FDP_ACF 1 1 permit the user box file that has a corresponding object attribute to the user box ID of the subject attribute and is set public to the user attribute of user box the operation such as a print a download transmissions a movement and a copy SOS 1 6 secures the quality verification of the session information used in the user box authentication via the network and FIA_SOS 2 secures the quality of the session information which is generated and used Management of a public user box gt FMT MSA 1 2 permits the user who is permitted the use of the user box to operate the change of the user attribute of use box which Public is set FMT MTD 1 4
205. ules governing access used for controlled operations to controlled objects among controlled subjects and controlled objects A task substituting for a user is permitted to list and print the ID amp print file whose user attributes of the object attributes are equal to those of the subject attributes user ID FDP ACF 1 3 4 The TSF shall explicitly authorise access of subjects to objects based on the following supplemental rules assignment rules based on security attributes that explicitly authorise access of subjects to objects assignment rules based on security attributes that explicitly authorise access of subjects to objects A task substituting for a user with the administrator attributes is permitted to back up ID amp print files FDP ACF 1 4 4 The TSF shall explicitly deny access of subjects to objects based on the assignment rules based on security attributes that explicitly deny access of subjects to objects assignment rules based on security attributes that explicitly deny access of subjects to objects None Hierarchical to No other components Dependencies FDP ACC 1 FDP_ACC 1 4 FMT MSA 3 FMT_MSA 3 4 6 1 1 3 Identification and authentication FIA AFL 1 1 Authentication failure handling FIA AFL 1 1 1 The TSF shall detect when selection assignment positive integer number an administrator configurable positive integer within assignment range of accept
206. unction is executed by starting TOE with turning OFF and ON the power supply so that the lock is released after the administrator authentication lock time passed FMT MTD 1 3 permits only to the administrator the setting of the threshold of the authentication failure frequency which is the trial frequency of the failure authentication in the administrator authentication Management of session of identified and authenticated administrator The duration of session of the administrator who is identified and authenticated contributes to reduce the chance of attacking associated with unnecessary session connection by ending Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 84 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target the session after the panel automatic logoff time elapses by FTA SSL 3 if it logs in from the panel The change in the panel auto logoff time is limited to the administrator by FMT MTD 1 3 Management of administrator s authentication information FIA SOS 1 1 verifies the quality of the administrator password Moreover FIA SOS 6 verifies the quality of session information used to authenticate the administrator via the network and FIA SOS 2 secures the quality of session information that is generated and used FMT MTD 1 6 restr
207. unction manipulated by administrator the service engineer function manipulated by service engineer and the function operated in the background without user s awareness 1 4 3 1 Basic Function In series of function for the office work concerning the image such as copy print scan and fax exists as a basic function and TOE performs the core control in the operation of these functions It converts the raw data acquired from the external device of the MFP controller into the image file and registered in RAM and HDD After two or more conversion processing is done the conversion is done as for the print image file from PC The image file which has been converted into data for the print or for the transmission and is transmitted to the device outside of the MFP controller concerned Operations of copy print scan and fax are managed by the unit of job and can be changed the operation order can be modified the finishing if it s a printing job and can be cancelled the operation by the command from the panel Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 11 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 GO00 11 Security Target The following is the functions related to the security in the basic function Secure Print Function When a Secure Print passw
208. use under the conditions assignment ist of conditions under which re authentication is required assignment list of conditions under which re authentication is required When the administrator modifies the administrator password When the service engineer modifies the CE password When the administrator changes the HDD lock setting When the administrator changes the Encryption function setting When the administrator changes the CF lock setting Hierarchical to No other components Dependencies No dependencies FIA_UAU 7 Protected authentication feedback FIA_UAU 7 1 The TSF shall provide only assignment Zist of feedback to the user while the authentication is in progress assignment list of feedback Display every character data input Hierarchical to No other components Dependencies FIA_UAU 1 UAU 2 1 FIA_UAU 2 2 UAU 2 3 FIA_UAU 2 4 FIA UAU 2 5 UAU 2 6 FIA UID 2 1 User identification before any action FIA UID 2 1 1 The TSF shall require each user Service Engineer to identify itself before allowing any other TSF mediated actions on behalf of that user Service Engineer Hierarchical to UID 1 Dependencies No dependencies Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 55 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 Vario
209. usted Channel function Set the setting data of Trusted Channel function by SSL TLS Communication Encryption Strength Setting Modification of the communication encryption method Operation and Stop Setting of theTrusted Channel function As described above MOF 1 3 FMT SME 1 and FMT SMR 1 2 are realized 7 1 3 17 Setting of S MIME transmission function Set the setting data which are used when the user box file is S MIME transmitted Transmission address data e mail address Registration and modification of S MIME certificate Setting of Encryption Strength for S MIME function As described above FDP_ACC 1 3 FDP_ACF 1 3 FMT_MOF1 2 FMT MTD 1I3 FMT_MTD 1 11 FMT_SMF 1 and FMT_SMR 1 2 are realized 7 1 3 18 Change of WebDAV Server Password The WebDAV server password is changed It is verified that the WebDAV server password which is newly set up satisfies the quality below The characters and the number of digits of this password conform to those specified in Table 12 As described above SOS 1 7 FMT MTD 1 3 FMT SME1 and FMT SMR 1 2 are realized 7 1 3 19 Setting of PC FAX Set the setting data of FAX related settings as follows PC FAX operation Setting Setting either of two modes at PC FAX operation which are to store in each box and to store in common area for all users according to the desiginated information at FAX transmission TSI receiving Setting Setting the s
210. uthentication function Setup of password policy function Setup of secure print authentication method Prohibited Valid Valid Authentication operation prohibition function effective method Setup of Authentication Operation Prohibition function The panel and account are locked out for 5 seconds when authentication has failed failure frequency threshold 1 3 Setup of user box collective management function Setup of the network setting modification function with SNMPv1 and v2 Authentication Operation when writing using SNMPv3 Setup of HDD lock function Setup of CF lock function Setup of print capture function Setup by remote diagnostic function Network setting management reset function TOE update function via Internet Transmission address data user setup function Operational setup of Trusted Channel function Administrator authentication lock out time CE authentication lock out time Setup of FTP Server function Panel auto log off time System auto reset Prohibited Prohibited Valid Valid Valid Prohibited Prohibited Prohibited Prohibited Prohibited Valid Setup prohibited for 1 4 minutes Setup prohibited for 1 4 minutes Prohibited more than 1 minute The following function becomes as follows at the timing of the operation settings of the Enhanced Security Function but contrary to above mentioned settings this setting can be changed individual
211. uthentication method not synchronized Account Authentication User identification and authentication in the authentication method not synchronized When the access request for the user box and the request for the registration of the secure print file it is identified and authenticated to be a user The detail of user authentication is the same as account authentication user identification and authentication in the synchronized Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 105 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50YO 1D00 G00 11 Security Target method In the case of the access from the panel the account authentication is required Account Name is associated with the user ID if succeeding the account authentication and the use of and F PRINT is permitted to the user who is identified and authenticated Offers account authentication mechanism that is authenticated the account by the account password that consists of the characters shown in Table 12 Return for each character as feedback for the entered account password Resets the number of authentication failure when succeeding in the authentication Not accept the access from the panel for five seconds when the authentication failed When the authentication failure that becomes 1 3 tim
212. ved 111 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target 7 6 2 1 ID amp Print File Registration Function When it is requested to register an ID amp print file if the user is authenticated as a registered user that file is registered The user ID of the user who tries to register the file is set as a user attribute of that ID amp print file As described above FIA_MSA 3 4 is realized 7 6 2 2 ID amp Print File Access Control Function When the user is authenticated as a registered user the ID amp print file access control operates The task substituting for the identified and authenticated user has a user ID as a user attribute This task is allowed to list and print ID amp print files with the user attribute which is equal to this user attribute As described above FIA_ATD 1 USB 1 FDP_ACC 1 4 and FDP ACF 1 4 are realized 7 7 FOVERWRITE ALL area overwrite deletion function FOVERWRITE ALL executes the overwrite deletion in the data area of HDD and CF and initializes the setting value of the password that is set to NVRAM and CF as well The object for the deletion or the initialization is as follows Object for the deletion HDD Secure print file User box file ID amp print file On memory image file Stored image file HDD remai
213. x by the administrator However only when the user attribute of previous setting is user ID Registration function of user ID by administrator Registration function of user password when method of user authentication by administrator is machine authentication Modification function of user password when method of user authentication by administrator is machine authentication Registration function of S MIME certificate by administrator Registration modification function of S MIME certificate by administrator Operation setting function of S MIME function by administrator Operation setting function of Trusted Channel function by administrator Registration function of Belonging Account of user by administrator Modification function of Belonging Account of user by administrator Modification function of Administrator authentication lock time by administrator Modification function of HDD Lock password by administrator Modification function of CF Lock password by administrator Modification function of Encryption passphrase by administrator Operation setting function of Function to use encryption function realized by encryption kit by administrator Modification function of TST receiving setting data by administrator Modification function of service engineer password by service engineer Modification function of administrator password by service engineer Stop function of Enhanced Security function by service engineer Modific
214. x has been selected when the user box ID is related to the task of acting a use by FIA_ATD 1 and FIA_USB 1 the operation such as a print a download transmissions a movement and a copy is permitted to the user box file that has a corresponding object attribute to user ID and user box ID of the subject attribute Management of a personal user box FMT MSA 1 1 permits to the user and the administrator the change operation of the user attribute of the user box where the user ID is set As for the registration of the user box public is appointed to the user attribute of the user box by FMT MSA 3 1l and it is permitted only to the user and administrator to give the initial value to change the public attribute In addition when the job to store the non registered user box into the user box appointed is executed due to the same requirement a user ID of the user who executes a job concerned is appointed automatically As for the box attribute of the user box file the value consistent with the box attribute of the user box which was selected as the file saved is set up by FMT MSA 3 3 Necessary requirement to keep the administrator secure gt refer to set admin lt Necessary requirement to keep the service engineer secure gt gt refer to set service lt Role and controlling function for each management gt As the role of doing these managements FMT SMR 1 2 maintains an administrator and FMT SMR 1 3 maintains a user permitted the
215. y attributes associated with subjects acting on the behalf of users assignment rules for the changing of attributes assignment rules for the changing of attributes None Hierarchical to No other components Dependencies FIA_ATD 1 FIA_ATD 1 6 1 1 4 Security management FMT_MOF 1 1 Management of security functions behavior FMT_MOF 1 1 1 The TSF shall restrict the ability to selection determine the behavior of disable enable modify the behavior the functions assignment Jist of functions to assignment the authorized identified roles assignment List of functions Enhanced Security Setting selection determine the behavior of disable enable modify the behavior disable assignment the authorized identified roles Administrator Service Engineer Hierarchical to other components Dependencies FMT_SMF1 FMT_SMF 1 FMT_SMR 1 FMT_SMR 1 1 FMT_SMR 1 2 Copyright c 2008 KONICA MINOLTA BUSINESS TECHNOLOGIES INC All Rights Reserved 57 117 bizhub 501 bizhub 421 bizhub 361 ineo 501 ineo 421 ineo 361 VarioLink 5022 VarioLink 4222 VarioLink 3622 Control Software AOR50Y0 0100 G00 20 AOR50Y0 1D00 G00 11 Security Target FMT MOF 1 2 Management of security functions behavior FMT MOF 1 1 2 The TSF shall restrict the ability to selection determine the behavior of disable enable modify the

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