Xerox WorkCentre 5030/5050 Multifunction Systems System .
BSI-DSZ-CC-0478-2008forXerox WorkCentre 5030/5050 MultifunctionSystemsSystem Software Version 5.003.07.000fromXerox Corporation
BSI - Bundesamt für Sicherheit in der Informationstechnik, Postfach 20 03 63, D-53133 BonnPhone 49 (0)228 99 9582-0, Fax 49 (0)228 9582-5477, Infoline 49 (0)228 99 9582-111Certification Report V1.0ZS-01-01-F-326 V4.25
BSI-DSZ-CC-0478-2008Multifunction SystemXerox WorkCentre 5030/5050 Multifunction SystemsSystem Software Version 5.003.07.000fromXerox CorporationFunctionality:product specific Security TargetCommon Criteria Part 2 conformantAssurance:Common Criteria Part 3 conformantEAL 2 augmented byALC FLR.3Common CriteriaRecognitionArrangementThe IT product identified in this certificate has been evaluated at an accredited and licensed / approvedevaluation facility using the Common Methodology for IT Security Evaluation, Version 2.3 for conformance tothe Common Criteria for IT Security Evaluation (CC), Version 2.3 (ISO/IEC 15408:2005).This certificate applies only to the specific version and release of the product in its evaluated configurationand in conjunction with the complete Certification Report.The evaluation has been conducted in accordance with the provisions of the certification scheme of theGerman Federal Office for Information Security (BSI) and the conclusions of the evaluation facility in theevaluation technical report are consistent with the evidence adduced.This certificate is not an endorsement of the IT product by the Federal Office for Information Security or anyother organisation that recognises or gives effect to this certificate, and no warranty of the IT product by theFederal Office for Information Security or any other organisation that recognises or gives effect to thiscertificate, is either expressed or implied.Bonn, 19 August 2008For the Federal Office for Information SecurityBernd KowalskiHead of DepartmentL.S.Bundesamt für Sicherheit in der InformationstechnikGodesberger Allee 185-189 - D-53175 Bonn-Postfach 20 03 63 - D-53133 BonnPhone 49 (0)228 99 9582-0 - Fax 49 (0)228 9582-5477 - Infoline 49 (0)228 99 9582-111
Certification ReportBSI-DSZ-CC-0478-2008This page is intentionally left blank.4 / 32
BSI-DSZ-CC-0478-2008Certification ReportPreliminary RemarksUnder the BSIG1 Act, the Federal Office for Information Security (BSI) has the task ofissuing certificates for information technology products.Certification of a product is carried out on the instigation of the vendor or a distributor,hereinafter called the sponsor.A part of the procedure is the technical examination (evaluation) of the product accordingto the security criteria published by the BSI or generally recognised security criteria.The evaluation is normally carried out by an evaluation facility recognised by the BSI or byBSI itself.The result of the certification procedure is the present Certification Report. This reportcontains among others the certificate (summarised assessment) and the detailedCertification Results.The Certification Results contain the technical description of the security functionality ofthe certified product, the details of the evaluation (strength and weaknesses) andinstructions for the user.1Act setting up the Federal Office for Information Security (BSI-Errichtungsgesetz, BSIG) of 17December 1990, Bundesgesetzblatt I p. 28345 / 32
Certification ReportBSI-DSZ-CC-0478-2008ContentsA Certification.71 Specifications of the Certification Procedure.72 Recognition Agreements.72.1 European Recognition of ITSEC/CC - Certificates.82.2 International Recognition of CC - Certificates.83 Performance of Evaluation and Certification.84 Validity of the certification result.95 Publication.9B Certification Results.101 Executive Summary.112 Identification of the TOE.133 Security Policy.144 Assumptions and Clarification of Scope.145 Architectural Information.156 Documentation.157 IT Product Testing.167.1 TOE Test Configuration.167.2 Developer Tests.167.3 Independant Evaluator Tests.167.4 Penetration Tests.178 Evaluated Configuration.179 Results of the Evaluation.189.1 CC specific results.189.2 Results of cryptographic assessment.1810 Obligations and notes for the usage of the TOE.1811 Security Target.1912 Definitions.1912.1 Acronyms.1912.2 Glossary.2013 Bibliography.21C Excerpts from the Criteria.23D Annexes.316 / 32
BSI-DSZ-CC-0478-2008Certification ReportA Certification1 Specifications of the Certification ProcedureThe certification body conducts the procedure according to the criteria laid down in thefollowing: BSIG2 BSI Certification Ordinance3 BSI Schedule of Costs4 Special decrees issued by the Bundesministerium des Innern (Federal Ministry of theInterior) DIN EN 45011 standard BSI certification: Procedural Description (BSI 7125) [3] Common Criteria for IT Security Evaluation (CC), Version 2.3 (ISO/IEC 15408:2005)5 Common Methodology for IT Security Evaluation, Version 2.3 BSI certification: Application Notes and Interpretation of the Scheme (AIS) Advice from the Certification Body on methodology for assurance components aboveEAL4 (AIS 34)2 Recognition AgreementsIn order to avoid multiple certification of the same product in different countries a mutualrecognition of IT security certificates - as far as such certificates are based on ITSEC orCC - under certain conditions was agreed.2Act setting up the Federal Office for Information Security (BSI-Errichtungsgesetz, BSIG) of 17December 1990, Bundesgesetzblatt I p. 28343Ordinance on the Procedure for Issuance of a Certificate by the Federal Office for Information Security(BSI-Zertifizierungsverordnung, BSIZertV) of 07 July 1992, Bundesgesetzblatt I p. 12304Schedule of Cost for Official Procedures of the Bundesamt für Sicherheit in der Informationstechnik(BSI-Kostenverordnung, BSI-KostV) of 03 March 2005, Bundesgesetzblatt I p. 5195Proclamation of the Bundesministerium des Innern of 10 May 2006 in the Bundesanzeiger dated 19May 2006, p. 37307 / 32
Certification ReportBSI-DSZ-CC-0478-20082.1 European Recognition of ITSEC/CC - CertificatesThe SOGIS-Mutual Recognition Agreement (MRA) for certificates based on ITSECbecame effective on 3 March 1998.This agreement was signed by the national bodies of Finland, France, Germany, Greece,Italy, The Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the UnitedKingdom. This agreement on the mutual recognition of IT security certificates wasextended to include certificates based on the CC for all Evaluation Assurance Levels (EAL1 – EAL 7). The German Federal Office for Information Security (BSI) recognisescertificates issued by the national certification bodies of France and the United Kingdomwithin the terms of this agreement.The SOGIS-MRA logo printed on the certificate indicates that it is recognised under theterms of this agreement.2.2 International Recognition of CC - CertificatesAn arrangement (Common Criteria Recognition Arrangement) on the mutual recognition ofcertificates based on the CC Evaluation Assurance Levels up to and including EAL 4 hasbeen signed in May 2000 (CCRA). It includes also the recognition of Protection Profilesbased on the CC.As of February 2007 the arrangement has been signed by the national bodies of: Australia,Austria, Canada, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary,India, Israel, Italy, Japan, Republic of Korea, The Netherlands, New Zealand, Norway,Republic of Singapore, Spain, Sweden, Turkey, United Kingdom, United States ofAmerica. The current list of signatory nations resp. approved certification schemes can beseen on the web site: http://www.commoncriteriaportal.orgThe Common Criteria Recognition Arrangement logo printed on the certificate indicatesthat this certification is recognised under the terms of this agreement.3 Performance of Evaluation and CertificationThe certification body monitors each individual evaluation to ensure a uniform procedure, auniform interpretation of the criteria and uniform ratings.The product Xerox WorkCentre 5030/5050 Multifunction Systems, System SoftwareVersion 5.003.07.000 has undergone the certification procedure at BSI.The evaluation of the product Xerox WorkCentre 5030/5050 Multifunction Systems,System Software Version 5.003.07.000 was conducted by CSC Deutschland SolutionsGmbH. The evaluation was completed on 30 July 2008. The CSC Deutschland SolutionsGmbH is an evaluation facility (ITSEF)6 recognised by the certification body of BSI.For this certification procedure the sponsor and applicant is: Xerox CorporationThe product was developed by: Xerox CorporationThe certification is concluded with the comparability check and the production of thisCertification Report. This work was completed by the BSI.6Information Technology Security Evaluation Facility8 / 32
BSI-DSZ-CC-0478-2008Certification Report4 Validity of the certification resultThis Certification Report only applies to the version of the product as indicated. Theconfirmed assurance package is only valid on the condition that all stipulations regarding generation, configuration and operation, as given in thefollowing report, are observed, the product is operated in the environment described, where specified in the followingreport and in the Security Target.For the meaning of the assurance levels and the confirmed strength of functions, pleaserefer to the excerpts from the criteria at the end of the Certification Report.The Certificate issued confirms the assurance of the product claimed in the SecurityTarget at the date of certification. As attack methods may evolve over time, the resistanceof the certified version of the product against new attack methods can be re-assessed ifrequired and the sponsor applies for the certified product being monitored within theassurance continuity program of the BSI Certification Scheme. It is recommended toperform a re-assessment on a regular basis.In case of changes to the certified version of the product, the validity can be extended tothe new versions and releases, provided the sponsor applies for assurance continuity (i.e.re-certification or maintenance) of the modified product, in accordance with the proceduralrequirements, and the evaluation does not reveal any security deficiencies.5 PublicationThe product Xerox WorkCentre 5030/5050 Multifunction Systems, System SoftwareVersion 5.003.07.000 has been included in the BSI list of the certified products, which ispublished regularly (see also Internet: http:// www.bsi.bund.de) and [5]. Further informationcan be obtained from BSI-Infoline 49 228 9582-111.Further copies of this Certification Report can be requested from the developer7 of theproduct. The Certification Report may also be obtained in electronic form at the internetaddress stated above.7Xerox Corporation1350 Jefferson RoadRochester, NY 14623USA9 / 32
Certification ReportB Certification ResultsThe following results represent a summary of the Security Target of the sponsor for the Target of Evaluation, the relevant evaluation results from the evaluation facility, and complementary notes and stipulations of the certification body.10 / 32BSI-DSZ-CC-0478-2008
BSI-DSZ-CC-0478-2008Certification Report1 Executive SummaryThe Target of Evaluation (TOE) are the Xerox WorkCentre 5030/5050 MultifunctionSystems (Xerox WorkCentre model 5030 or 5050). The TOE is a Multifunction Device(MFD) that consists of a printer, copier, scanner, FAX (when purchased by the consumer),and email as well as all Administrator and User guidance. The difference between the twomodels is their printing speed. The TOE consists of the whole MFD (complete Hardwaretogether with the Software which is installed on the Hardware).The MFD provides copy and print services as well as the scan to email, network scan andFAX options. The optional Xerox Embedded Fax accessory provides local analog FAXcapability over Public Switched Telephone Network (PSTN) connections, if purchased bythe consumer.The MFD stores temporary image data created during a print, network scan or scan-toemail job on an internal Hard Disk Drive (HDD). This temporary image data consists of theoriginal data submitted and additional files created during a job.The TOE has an Image Overwrite function that overwrites files created and stored on theHDD during print, network scan or scan-to-email jobs. This overwrite process will beactivated at the completion of each print, network scan, or scan to email job (ImmediateImage Overwrite (IIO)), once the MFD is turned back on after a power failure or ondemand of the MFD system administrator (On Demand Image Overwrite (ODIO)). Copyand FAX jobs are not written to the HDD and therefore need not to be overwritten.The TOE does not allow information to flow between the PSTN port of the optional FAXprocessing board (if installed) and the network controller (which covers the informationflow to and from the internal network). Data and/or commands cannot be sent to theinternal network via the PSTN. A direct connection from the internal network to externalentities by using the telephone line of the TOE is also denied.The TOE requires a system administrator to authenticate before granting access to systemadministration functions. The system administrator has to enter a PIN at either the webuser interface or the local user interface. The PIN will be obscured with asterisks as it isbeing entered. Identification of the system administrator at the local user interface isimplicit – the administrator will identify themselves by pressing the “Access” hard button.Identification of the system administrator at the web user interface is explicit -- theadministrator will identify themselves by entering the username “admin” in theauthentication dialog window. Only authenticated system administrators can enable ordisable the Image Overwrite function, enable or disable the On Demand Image Overwritefunction, change the system administrator PIN, and start or cancel an On Demand ImageOverwrite operation.The Security Target [6] is the basis for this certification. It is not based on a certifiedProtection Profile.The TOE Security Assurance Requirements (SAR) are based entirely on the assurancecomponents defined in Part 3 of the Common Criteria (see part C or [1], Part 3 for details).The TOE meets the Assurance Requirements of the Evaluation Assurance Level EAL 2augmented by ALC FLR.3.The Security Functional Requirements (SFR) relevant for the TOE are outlined in theSecurity Target [6], chapter 5.2. They are all selected from Common Criteria Part 2. Thusthe TOE is CC Part 2 conformant.11 / 32
Certification ReportBSI-DSZ-CC-0478-2008There are no Security Functional Requirements (SFR) relevant for the IT-Environment ofthe TOE.The TOE Security Functional Requirements are implemented by the following TOESecurity Functions:TOE Security FunctionAddressed issueImage Overwrite (TSF IOW)The TOE implements an Image OverwriteSecurity Function to overwrite temporary filescreated during the printing, network scan, orscan-to-email process.Information Flow (TSF FLOW)The TOE does not allow communication betweenthe optional FAX processing board and thenetwork controller and prevents therefore aninterconnection between the PSTN and theinternal network.Authentication (TSF AUT)The system administrator must authenticate byentering a PIN prior to being granted access tothe system administration functions.Security Management (TSF FMT)The TOE provides some administrative functionsto the system administrator.Table 1: TOE Security FunctionsFor more details please refer to the Security Target [6], chapter 6.1.The claimed TOE’s Strength of Functions 'basic' (SOF-basic) for specific functions asindicated in the Security Target [6], chapter 8.6 is confirmed.The assets to be protected by the TOE are implicitly defined in the Security Target [6],chapter 3. Based on these assets the TOE Security Environment is defined in terms ofAssumptions and Threats. This is outlined in the Security Target [6], chapter 3.This certification covers the following configurations of the TOE: The Image OverwriteSecurity Package is installed and Immediate Image Overwrite (IIO) and On DemandImage Overwrite (ODIO) are enabled on the TOE. IIO and ODIO must not be disabled.The Xerox Embedded Fax accessory is an optional part of the TOE which can be orderedby the customer. It provides local analog FAX capability over PSTN connections, whenpurchased and installed. Only in this case the TOE provides the Security Function“Information Flow (TSF FLOW)”. If the FAX option is not installed this Security Function isnot present and not needed as it is separated from and does not influence the otherSecurity Functionality.The certification results only apply to the version of the product indicated in the certificateand on the condition that all the stipulations are kept as detailed in this CertificationReport. This certificate is not an endorsement of the IT product by the Federal Office forInformation Security (BSI) or any other organisation that recognises or gives effect to thiscertificate, and no warranty of the IT product by BSI or any other organisation thatrecognises or gives effect to this certificate, is either expressed or implied.12 / 32
BSI-DSZ-CC-0478-2008Certification Report2 Identification of the TOEThe Target of Evaluation (TOE) is called:Xerox WorkCentre 5030/5050 Multifunction Systems,System Software Version 5.003.07.000The following table outlines the TOE deliverables:No TypeIdentifierReleaseForm of Delivery1HWXerox WorkCentre5030 / 50502SWSystem Software5. 003.07.0003SWNetwork Controller Software 1.08.535.01Installed on MFD4SWUI Software005.03.007Installed on MFD5SWSIP Software50.06.00Installed on MFD6SWIOT Software23.54.00Installed on MFD7SWDADH Software12.15.00Installed on MFD8SWFinisher Software09.21.00Installed on MFD9SWFAX Software02.28.03Installed on MFD10SWPrinter and Fax Driver11SWAll optional software kits thecustomer purchased;Installed on MFDCDpart number604E32560CDThe evaluated configurationincludes at least the IIOoption kit.12DOCWorkCentre 5030/5050Quick Reference Guidepart number604E39140Paperform13DOCUser guidancepart number538E11390CD14DOCAdministrator guidancepart number538E11400CD15DOCSecure Installation andOperation of YourWorkCentre 5030/5050Version 1.6Download from Xerox-Webpage:http://www.xerox.com/securityApril 16, 2008Table 2: Deliverables of the TOEThe TOE is assembled and packed according to the order form of the Customer. XeroxAuthorized Representatives deliver the device to the customer site. There XeroxAuthorized Representatives will install the product according to the installation instructions.A customer system administrator can ensure that they have a TOE by printing aconfiguration sheet and comparing the version numbers reported on the sheet to table 2above or in the Security Target [6].13 / 32
Certification ReportBSI-DSZ-CC-0478-20083 Security PolicyThe Security Policy is expressed by the set of Security Functional Requirements andimplemented by the TOE. It covers the following issues: The image information of the different types of jobs the MFD can handle isconsidered as confidential user information. Therefore, the TOE must protect thisinformation according to the following rules:Temporary document image data from a print, network scan or scan-to-email jobmust be overwritten on the HDD immediately after that job is completed, once theMFD is turned back on after a power failure or if the system administrator hasinvoked the On Demand Image Overwrite function. Document image data of copyand FAX jobs must not be written to the HDD. The Security Function “Information Flow (TSF FLOW)” restricts the information flowbetween the PSTN port of the optional FAX board (if installed) and the internalnetwork by implementing a store-and-forward principle. The TOE does not allowinformation to flow between the PSTN port of the optional FAX processing board (ifinstalled) and the network controller (which covers the information flow to and fromthe internal network). Data and/or commands cannot be sent to the internal networkvia the PSTN. A direct connection from the internal network to external entities byusing the telephone line of the TOE is also denied.If the FAX board is not installed, an information flow is not possible and needs notto be restricted. The system administrator must authenticate by entering a PIN prior to beinggranted access to the system administration functions. The following securitymanagement functions are provided by the TOE: Enable or disable the Immediate Image Overwrite function (IIO) (only vialocal user interface) Enable or disable the On Demand Image Overwrite function (ODIO) (only vialocal user interface) Change of the System Administrator PIN (only via local user interface) Invocation of ODIO (via local user interface or web user interface) Cancellation (Abort) of ODIO (via local user interface or web user interface)4 Assumptions and Clarification of ScopeThe Assumptions defined in the Security Target and some aspects of Threats andOrganisational Security Policies are not covered by the TOE itself. These aspects lead tospecific Security Objectives to be fulfilled by the TOE-Environment. The following topicsare of relevance: Monitored network to which the TOE is connected to Secure installation and configuration of the TOE Monitored office environment in which the TOE is located Trained and trustworthy TOE administratorsDetails can be found in the Security Target [6], chapter 4.2.14 / 32
BSI-DSZ-CC-0478-2008Certification Report5 Architectural InformationThe following figure shows decomposition of the TOE into six subsystems.Human InterfaceOriginalDocumentsTOEinternalEthernet Port, Serial Port,USB Target Port, InactiveUSB Host Ports (2),Firewire Port , UnusedFirewire Port, Monitor PortPhysical e xternalInterfacesNetwork Controllerwiring (proprietary)FirewirePhysical e xternalInterfacePower SupplyRS- 422Image OutputTOE internalHardcopyTerminal (alsowiringPaper output interfaceknown as Marking(Finisher)(proprietary)Engine)Physical externalInterfacesFax CardPhysical externalinterfacePower CordCopy Controller(also known asScanner ImageProcessor)Graphical UserInterface (alsoknown as LocalUser Interface)PCI BuseacerfIntrwePoButton and TOE internal wiring(proprietary)OpticalinterfaceScanner /Document HandlerButtons andDisplayPower ButtonTOE Physical BoundaryPSW USB TargetPort, Serial Port,Foreign DeviceInterface, ScannerInterface, FirewirePortsPSTN (RJ-11 Port)Figure 1: Architecture of the TOEThe TOE consists of the subsystems Scanner/Document Handler, Network Controller,Power Supply, FAX Card, Copy Controller (also known as Scanner Image Processor),Graphical User Interface (also known as Local User Interface) and the Image OutputTerminal (also known as Marking Engine). The TOE has several external and internalinterfaces as depicted in the figure.6 DocumentationThe evaluated documentation as outlined in table 2 is being provided with the product tothe customer. This documentation contains the required information for secure usage ofthe TOE in accordance with the Security Target.Additional obligations and notes for secure usage of the TOE as outlined in chapter 10 ofthis report have to be followed.15 / 32
Certification ReportBSI-DSZ-CC-0478-20087 IT Product Testing7.1 TOE Test ConfigurationThe LAN interface of the network controller of the TOE is connected to a local LAN. Allother test systems are also connected to this LAN. The TOE is furthermore connected tothe PSTN to be able to send and receive facsimiles.By using a serial Null-Modem connection, the evaluator was able to access the Linuxbased operating system of the network controller. The evaluator uses a terminal server forthis purpose because the TOE was not located in the office rooms of the evaluator. Theterminal server is a Windows 2003 server with a serial interface and Tutty1 v0.58.1 asserial terminal software. The evaluator uses the remote desktop tool of Windows to accessthe terminal server.The File- and FTP-Server was set up to test the scan-to-network features and to have afile transfer ability to and from the Linux-based operating system. This server runs underLinux. File services are provided by Samba, the FTP-Server used was vsftpd.The Email-Server was set up to test the scan-to-email features. This server runs underLinux. Email services (only SMTP) are provided by postfix.The evaluator PC runs under Windows XP. The TOE printer driver and the TOE as systemprinter are installed.7.2 Developer TestsThe developer tested all TOE Security Functions in combination with the different userinterfaces (local user interface or web user interface) and in combination with the differenttypes of jobs (print, copy, fax, ).The depth of testing was on the level of the external interfaces as required for EAL 2.The TOE passed all developer tests. This means the verification of the complete andcorrect implementation of all TOE Security Functions and all TOE Security FunctionalRequirements was successful.7.3 Independant Evaluator TestsDue to the fact that the TOE is a device with an overall SOF claim “basic”, the evaluatordoes not select a very rigorous testing strategy. Therefore, the evaluator decides to test allSecurity Functions and all Security Functional Requirements with little to medium rigor.The approach to select and define the test subset is to take the developer tests intoaccount, modify some of the tests and define some additional tests in order to fulfill the teststrategy requirements. The evaluator does not repeat all tests of the developer tests butonly selected.Due to the fact that the TOE itself must not be modified for the tests, only the toolsavailable at the Linux operating system of the TOE can be used. The external connectionsto the TOE were realized by browsers (here: Internet Explorer 7 and Firefox 2.0.0.14). Theserial connection was established by Tutty (see above). Print jobs were started using theXerox PCL6 Printer Driver for Windows XP, available at the Xerox web site. For receivingand sending facsimiles from and to the TOE, a conventional digital FAX machine wasused.16 / 32
BSI-DSZ-CC-0478-2008Certification ReportThe TOE passed all evaluator tests. This means the verification of the complete andcorrect implementation of all TOE Security Functions and all TOE Security FunctionalRequirements was successful.The depth of testing was on the level of the external interfaces as required for EAL 2.7.4 Penetration TestsAccording to the requirements of EAL 2 the developer did a research for common knownvulnerabilities for this product or product type. The developer did also a penetration testusing a penetration testing tool.Additionally, the evaluator verified the results and conclusions of the developer andperforms also penetration tests using penetration testing tools.The vulnerability tests of the evaluator are based on the intended operational environment.Therefore the evaluator assumes that an attacker does not
The Target of Evaluation (TOE) are the Xerox WorkCentre 5030/5050 Multifunction Systems (Xerox WorkCentre model 5030 or 5050). The TOE is a Multifunction Device (MFD) that consists of a printer, copier, scanner, FAX (when purchased by the consumer), and email as well as all Administrator and User guidance. The difference between the two
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pile resistances or pile resistances calculated from profiles of test results into characteristic resistances. Pile load capacity – calculation methods 85 Case (c) is referred to as the alternative procedure in the Note to EN 1997-1 §7.6.2.3(8), even though it is the most common method in some countries. Characteristic pile resistance from profiles of ground test results Part 2 of EN 1997 .
