Nortel Networks 7.11, 7.05 Configuration Management, Secure Delivery and Operation, Development

Page 63

Security Target, Version 3.9

March 18, 2008

 

 

8.6.2TOE Summary Specification Rationale for the Security Assurance Requirements

8.6.2.1Configuration Management

The Configuration Management documentation provides a description of tools used to control the configuration items and how they are used by Nortel. The documentation provides a complete configuration item list and a unique reference for each item. Additionally, the configuration management system is described including procedures that are used by developers to control and track changes that are made to the TOE. The documentation further details the TOE configuration items that are controlled by the configuration management system.

Corresponding CC Assurance Components:

Configuration Items

8.6.2.2Secure Delivery and Operation

The Delivery and Operation documentation provides a description of the secure delivery procedures implemented by Nortel to protect against TOE modification during product delivery. The Installation Documentation provided by Nortel details the procedures for installing the TOE and placing the TOE in a secure state offering the same protection properties as the master copy of the TOE. The Installation Documentation provides guidance to the administrator on the TOE configuration parameters and how they affect the TSF.

Corresponding CC Assurance Components:

Delivery Procedures

Installation, Generation, and Start-Up Procedures

8.6.2.3Development

The Nortel design documentation consists of several related design documents that address the components of the TOE at different levels of abstraction. The following design documents address the Development Assurance Requirements:

The Functional Specification provides a description of the security functions provided by the TOE and a description of the external interfaces to the TSF. The Functional Specification covers the purpose and method of use and a list of effects, exceptions, and errors message for each external TSF interface.

The High-Level Design provides a top level design specification that refines the TSF functional specification into the major constituent parts (subsystems) of the TSF. The high-level design identifies the basic structure of the TSF, the major elements, a listing of all interfaces, and the purpose and method of use for each interface.

The Low-Level Design describes each security supporting module in terms of its purpose and interaction with other modules. It describes the TSF in terms of modules, designating each module as either security- enforcing or security-supporting. It provides an algorithmic description for each security-enforcing module detailed enough to represent the TSF implementation.

The Implementation Representation unambiguously defines the TSF to a level of detail such that the TSF can be generated without further design decisions. It also describes the relationships between all portions of the implementation.

The Security Policy Model provides an informal TSP model and it demonstrates correspondence between the functional specification and the TSP model by showing that all of the security functions in the functional specification are consistent and complete with respect to the TSP model. The TSP model describes the rules and characteristics of all policies of the TSP that can be modeled. The model should include a rationale that demonstrates that it is consistent and complete with respect to all policies of the TSP that can be modeled.

The Correspondence Analysis demonstrates the correspondence between each of the TSF representations provided. This mapping is performed to show the functions traced from the ST description to the High- Level Design.

Nortel VPN Router v7.05 and Client Workstation v7.11

Page 63 of 67

© 2008 Nortel Networks

 

Page 62 Page 64
Image 63
Page 62 Page 64
Contents Nortel Networks Corsec Security, Inc Version Modification Date Modified By Description of Changes Revision HistoryTable of Contents Rationale Table of FiguresTable of Tables Protection Profile ClaimsST, TOE, and CC Identification and Conformance Security Target IntroductionPurpose Security Target, TOE and CC Identification and ConformanceTerminology Conventions, Acronyms, and TerminologyConventions TerminologyPrimary Admin password TOE Description Product TypeProduct Description Branch Office Deployment Configuration of the TOE Physical Boundary TOE Boundaries and ScopeTOE Environment Logical BoundaryEnterprise WorldSecurity Audit Cryptographic SupportUser Data Protection Trusted Path/Channels Identification and AuthenticationSecurity Management Protection of the TOE Security FunctionsExcluded TOE Functionality TOE Security Environment AssumptionsThreats to Security Threats Addressed by the TOE Environment Threats Addressed by the TOESecurity Objectives for the TOE Security ObjectivesOE.TIME Security Objectives for the EnvironmentIT Security Objectives Non-IT Security ObjectivesST Operation IT Security RequirementsTOE Security Functional Requirements TOE Security Functional RequirementsDescription ST Operation Auditable Events Class FAU Security AuditFAUGEN.1 Audit Data Generation FAUSAR.1 Audit reviewDependencies FAUGEN.1 Audit data generation FCSCKM.4 Cryptographic key destruction Class FCS Cryptographic SupportFCSCKM.1a Cryptographic key generation Diffie-Hellman FCSCKM.1b Cryptographic key generation RSAFCSCOP.1b Cryptographic operation authentication FCSCOP.1d Cryptographic operation random number generationFCSCOP.1e Cryptographic operation hashing Security Target, Version March 18 FDPIFC.2a Complete information flow control VPN FDPACC.2 Complete access controlFDPACF.1 Security attribute based access control Class FDP User Data ProtectionFDPIFF.1a Simple security attributes VPN FDPIFC.2b Complete information flow control FirewallFDPIFF.1b Simple security attributes Firewall FDPUIT.1.1 FDPUCT.1 Basic data exchange confidentialityFDPUIT.1 Data exchange integrity FDPUCT.1.1FIAUID.2 User identification before any action Class FIA Identification and AuthenticationFIAUAU.1 Timing of authentication FIAUAU.5 Multiple authentication mechanismsDependencies No dependencies FMTMSA.1a Management of security attributes Class FMT Security ManagementFMTMOF.1a Management of security functions behaviour FMTMOF.1b Management of security functions behaviourFMTMSA.2.1 FMTMSA.1c Management of security attributesFMTMSA.2 Secure security attributes FMTMSA.3a Static attribute initialisationFMTSMR.1 Security roles FMTSMF.1 Specification of Management FunctionsFMTMSA.3b Static attribute initialisation FMTMSA.3c Static attribute initialisationFMTSMR.1.2 FPTRPL.1 Replay detection FPTAMT.1 Abstract machine testingFPTTST.1 TSF testing Class FPT Protection of the TSFFTPTRP.1.2 Class FTP Trusted Path/ChannelsFTPTRP.1 Trusted path FTPTRP.1.1FPTSTM.1 Reliable time stamps Security Functional Requirements on the IT EnvironmentFPTRVM.1 Non-bypassability of the TSP FPTSEP.1 TSF domain separationSecurity Target, Version 3.9March 18 Assurance Requirements Assurance ComponentsAssurance Requirements Description Function TOE Summary SpecificationTOE Security Functions TOE SecuritySecurity Log Configuration LogSecurity Audit Accounting LogsEvent Log System LogValidation Modules Fips 140-2 Certificate # Cryptographic SupportFips Validated Modules FIPS-Validated Cryptographic AlgorithmsUser Data Protection Security Management Identification and AuthenticationPower-Up Self-Tests Protection of the TOE Security FunctionsConditional Self-Tests Assurance Assurance Measure Component TOE Security Assurance MeasuresTrusted Path/Channels TOE Security Functional Requirements Satisfied FTPTRP.1Augmentation to EAL 4+ assurance level Protection Profile Reference Protection Profile ClaimsTOE Objectives Environmental Objectives Non-IT RationaleSecurity Objectives Rationale Relationship of Security Threats to ObjectivesHack Certificate OE.CERTIFICATE Security Functional Requirements RationaleObjectives Requirements Relationship of Security Requirements to ObjectivesEnv Functions and dataFMTMSA.3a,b,c Able to access such functionalityIntegrity Reject packets based on their attributesFunctional Requirements Dependencies Security Assurance Requirements RationaleRationale for Strength of Function Dependency RationaleFCSCOP.1 TOE Summary Specification Rationale Configuration Management Secure Delivery and OperationDevelopment Guidance Documentation Life Cycle Support DocumentsTests Vulnerability and TOE Strength of Function Analyses Strength of FunctionDoD AcronymsAcronyms Acronym DefinitionSHA
Top Page Image Contents