Page 2 - Revision History; Version
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 2 of 67 © 2008 Nortel Networks Revision History Version Modification Date Modified By Description of Changes 1.0 2005-05-31 Kiran Kadambari Initial draft. 2.0 2006-01-17 Nathan Lee Revised to use ne...
Page 3 - Table of Contents
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 3 of 67 © 2008 Nortel Networks Table of Contents REVISION HISTORY .......................................................................................................................................
Page 4 - Table of Figures
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 4 of 67 © 2008 Nortel Networks 7 PROTECTION PROFILE CLAIMS ............................................................................................................... 51 7.1 P ROTECTION P ROFILE...
Page 5 - Security Target Introduction; Acronyms (Section 9) – Defines the acronyms used within this ST.; Security Target, TOE and CC Identification and Conformance
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 5 of 67 © 2008 Nortel Networks 1 Security Target Introduction This section identifies the Security Target (ST), Target of Evaluation (TOE) identification, ST conventions, ST conformance claims, and ...
Page 6 - bold text; be considered as a refinement.; Table 2 - Terminology; Term
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 6 of 67 © 2008 Nortel Networks Keywords VPN, Router, Firewall, IPSec 1.3 Conventions, Acronyms, and Terminology 1.3.1 Conventions There are several font variations used within this ST. Selected pres...
Page 8 - TOE Description; Product Description; Figure 1
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 8 of 67 © 2008 Nortel Networks 2 TOE Description This section provides a general overview of the TOE as an aid to understanding the general capabilities and security requirements provided by the TOE...
Page 9 - Figure 2
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 9 of 67 © 2008 Nortel Networks mode, a Nortel VPN Router on one Enterprise network segment will establish a VPN tunnel with another Nortel VPN Router on another Enterprise network segment. All commu...
Page 10 - TOE Boundaries and Scope; Figure 3 - Physical TOE Boundary
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 10 of 67 © 2008 Nortel Networks Configuration of the TOE is performed via a Command Line Interface (CLI) by physically connecting a device (such as a laptop) to the serial interface of the TOE and u...
Page 11 - Nortel VPN Router
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 11 of 67 © 2008 Nortel Networks In Figure 3 above, the TOE is installed at the boundary of the private (“Enterprise”) network and the public (“Internet”) network. In Figure 4 above, the TOE is insta...
Page 12 - Figure 5 - TOE Logical Boundary; The essential logical components of the TOE are:
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 12 of 67 © 2008 Nortel Networks Legend: TOE Boundary The World Enterprise Corporate Network Internet Nortel VPN Client Workstation Nortel VPN Router VPN Tunnel Windows OS General Purpose Computing H...
Page 13 - Nortel VPN Client Workstation:
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 13 of 67 © 2008 Nortel Networks Nortel VPN Router: Each of the logical components contained within the physical Nortel VPN Router are included within the TOE boundary. These components are: o Nortel...
Page 14 - Identification and Authentication; The GUI and CLI accepts username/password authentication.; Security Management; The TOE maintains three main user roles:; Protection of the TOE Security Functions
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 14 of 67 © 2008 Nortel Networks Nortel VPN Routers, as well as providing protection against external attack. The architecture of the TOE ensures that VPN data is subject to enforcement of the VPN IF...
Page 16 - TOE Security Environment; Threats to Security
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 16 of 67 © 2008 Nortel Networks 3 TOE Security Environment This section describes the security aspects of the environment in which the TOE will be used and the manner in which the TOE is expected to...
Page 17 - Attackers who are not TOE users:; These attackers have no knowledge of how the TOE operates and are; Threats Addressed by the TOE Environment; The following threats are addressed by the TOE environment:
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 17 of 67 © 2008 Nortel Networks Attackers who are not TOE users: These attackers have no knowledge of how the TOE operates and are assumed to possess a low skill level, a low level of motivation, li...
Page 18 - Security Objectives; Security Objectives for the TOE; The specific security objectives are as follows:
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 18 of 67 © 2008 Nortel Networks 4 Security Objectives This section identifies the security objectives for the TOE and its supporting environment. The security objectives identify the responsibilitie...
Page 19 - Security Objectives for the Environment
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 19 of 67 © 2008 Nortel Networks 4.2 Security Objectives for the Environment 4.2.1 IT Security Objectives The following IT security objectives are to be satisfied by the environment: OE.TIME The envi...
Page 20 - IT Security Requirements; TOE Security Functional Requirements; Table 3 - TOE Security Functional Requirements; SFR ID
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 20 of 67 © 2008 Nortel Networks 5 IT Security Requirements This section defines the Security Functional Requirements (SFRs) and Security Assurance Requirements (SARs) met by the TOE as well as SFRs ...
Page 22 - Table 4 - Auditable Events; Event
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 22 of 67 © 2008 Nortel Networks 5.1.1 Class FAU: Security Audit FAU_GEN.1 Audit Data Generation Hierarchical to: No other components. FAU_GEN.1.1 The TSF shall be able to generate an audit record of...
Page 24 - ] and specified cryptographic key sizes [; FCS_CKM.4 Cryptographic key destruction; zeroization; Cryptographic operation (encryption and decryption)
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 24 of 67 © 2008 Nortel Networks 5.1.2 Class FCS: Cryptographic Support FCS_CKM.1(a) Cryptographic key generation (Diffie-Hellman) Hierarchical to: No other components. FCS_CKM.1.1(a) The TSF shall g...
Page 25 - Cryptographic operation (authentication)
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 25 of 67 © 2008 Nortel Networks FCS_COP.1.1(a) The TSF shall perform [ encryption and decryption ] in accordance with a specified cryptographic algorithm [ 3DES and AES ] and cryptographic key sizes...
Page 27 - Dependencies: FDP_ACF.1 Security attribute based access control; FDP_ACF.1 Security attribute based access control; The TSF shall enforce the [; FMT_MSA.3 Static attribute initialization
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 27 of 67 © 2008 Nortel Networks 5.1.3 Class FDP: User Data Protection FDP_ACC.2 Complete access control Hierarchical to: FDP_ACC.1 FDP_ACC.2.1 The TSF shall enforce the [ Access Control SFP ] on [ S...
Page 29 - FMT_MSA.3 Static attribute initialisation
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 29 of 67 © 2008 Nortel Networks FDP_IFF.1.3(a) The TSF shall enforce the [ none ]. FDP_IFF.1.4(a) The TSF shall provide the following [ stateful Firewall, Network Address Translation (NAT), IPSec ]....
Page 30 - FDP_UCT.1 Basic data exchange confidentiality; The TSF shall enforce the [
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 30 of 67 © 2008 Nortel Networks Dependencies: FDP_IFC.1 Subset information flow control FMT_MSA.3 Static attribute initialisation FDP_UCT.1 Basic data exchange confidentiality Hierarchical to: No ot...
Page 31 - The TSF shall allow [; FIA_UAU.5 Multiple authentication mechanisms; The TSF shall provide [; Dependencies: No dependencies; User identification before any action
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 31 of 67 © 2008 Nortel Networks 5.1.4 Class FIA: Identification and Authentication FIA_UAU.1 Timing of authentication Hierarchical to: No other components. FIA_UAU.1.1 The TSF shall allow [ o connec...
Page 32 - TSF-mediated actions on
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 32 of 67 © 2008 Nortel Networks The TSF shall require each user to identify itself before allowing any other 4 TSF-mediated actions on behalf of that user. Dependencies: No dependencies 4 “Other” in...
Page 33 - Dependencies: FMT_SMF.1 Specification of management functions; Dependencies: FMT_SMF.1 Specification of management functions
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 33 of 67 © 2008 Nortel Networks 5.1.5 Class FMT: Security Management FMT_MOF.1(a) Management of security functions behaviour Hierarchical to: No other components. FMT_MOF.1.1(a) The TSF shall restri...
Page 35 - FMT_SMF.1 Specification of Management Functions; Dependencies: No Dependencies
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 35 of 67 © 2008 Nortel Networks FMT_MSA.3(b) Static attribute initialisation Hierarchical to: No other components. FMT_MSA.3.1(b) The TSF shall enforce the [ Firewall Information Control SFP ] to pr...
Page 36 - The TSF shall maintain the roles [
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 36 of 67 © 2008 Nortel Networks The TSF shall maintain the roles [ Primary Admin, Restricted Admin, VPN User ]. FMT_SMR.1.2 The TSF shall be able to associate users with roles. Dependencies: FIA_UID...
Page 37 - The TSF shall run a suite of tests [; The TSF shall detect replay for the following entities: [; The TSF shall run a suite of self tests [
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 37 of 67 © 2008 Nortel Networks 5.1.6 Class FPT: Protection of the TSF FPT_AMT.1 Abstract machine testing Hierarchical to: No other components. FPT_AMT.1.1 The TSF shall run a suite of tests [ durin...
Page 38 - The TSF shall provide a communication path between itself and [
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 38 of 67 © 2008 Nortel Networks 5.1.7 Class FTP: Trusted Path/Channels FTP_TRP.1 Trusted path Hierarchical to: No other components. FTP_TRP.1.1 The TSF shall provide a communication path between its...
Page 39 - Security Functional Requirements on the IT Environment; Table 5 - IT Environment Security Functional Requirements
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 39 of 67 © 2008 Nortel Networks 5.2 Security Functional Requirements on the IT Environment The TOE has the following security requirement for its IT environment. Table 5 identifies all SFRs implemen...
Page 40 - The TSF; TOE Environment; shall be able to provide reliable time stamps for it’s; the TOE’s
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 40 of 67 © 2008 Nortel Networks The TSF TOE Environment shall be able to provide reliable time stamps for it’s the TOE’s own use. Dependencies: No dependencies
Page 41 - Table 6 - Assurance Components; Assurance Requirements
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 41 of 67 © 2008 Nortel Networks 5.3 Assurance Requirements This section defines the assurance requirements for the TOE. The assurance requirements are taken from Part 3 of the CC and are EAL 4 augme...
Page 42 - TOE Summary Specification; TOE Security Functions; TOE Security
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 42 of 67 © 2008 Nortel Networks 6 TOE Summary Specification This section presents information to detail how the TOE meets the functional and assurance requirements described in previous sections of ...
Page 43 - Accounting Logs
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 43 of 67 © 2008 Nortel Networks TOE Security Function SFR ID Description FMT_MSA.3(b) Static Attribute Initialization FMT_MSA.3(c) Static Attribute Initialization FMT_SMF.1 Specification of Manageme...
Page 44 - System Log
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 44 of 67 © 2008 Nortel Networks System Log The System Log records data about System events which are considered significant enough to be written to disk, including those displayed in the Configurati...
Page 45 - Table 8 - FIPS Validated Modules; Validation; Table 9 - FIPS-Validated Cryptographic Algorithms; Algorithm
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 45 of 67 © 2008 Nortel Networks 6.1.2 Cryptographic Support The TOE’s cryptographic functionality is provided by a FIPS 140-2-validated cryptographic module. All modules have received either a Level...
Page 46 - TOE Security Functional Requirements Satisfied:; The TOE enforces the VPN Information Flow Control SFP by allowing; Firewall Information Flow Control SFP:; The TOE enforces the Firewall Information Flow Control SFP by
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 46 of 67 © 2008 Nortel Networks for reuse. This ensures that the keys are completely destroyed before any other process might have access to that memory location. TOE Security Functional Requirement...
Page 47 - Both SFPs enforce a; Identification and Authentication; Cryptographic functions relevant to the use of digital; TOE Security Functional Requirements Satisfied:; See Footnote 3 for more information.
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 47 of 67 © 2008 Nortel Networks VPN Information Flow Control SFP and Firewall Information Flow Control SFP: Both SFPs enforce a stateful Firewall. Each time a TCP connection is established from a ho...
Page 48 - Protection of the TOE Security Functions; Software Integrity Check:; Verifies the correct operation of the FIPS 186-2; Alternating Bypass Mode Test:; Verifies that the Approved RNG is not failing to a constant value.
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 48 of 67 © 2008 Nortel Networks functions. The VPN User has no access to administrative functions and may only authenticate to the Nortel VPN Router through the Nortel VPN Client in order to access ...
Page 49 - Continuous RNG for Entropy Gathering:; TOE Security Assurance Measures; Assurance
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 49 of 67 © 2008 Nortel Networks o Runs when a random number needs to be generated. Continuous RNG for Entropy Gathering: Verifies that the seed for the FIPS 182-2 PRNG is not failing to a constant v...
Page 50 - Augmentation to EAL 4+ assurance level.
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 50 of 67 © 2008 Nortel Networks Assurance Component Assurance Measure ALC_DVS.1 Nortel Networks Virtual Private Network Router v7.05 Life Cycle Support ALC_FLR.2 8 Nortel Networks Virtual Private Ne...
Page 51 - Protection Profile Claims; Protection Profile Reference; There are no protection profile claims for this security target.
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 51 of 67 © 2008 Nortel Networks 7 Protection Profile Claims This section provides the identification and justification for any Protection Profile conformance claims. 7.1 Protection Profile Reference...
Page 52 - Rationale; Security Objectives Rationale; Table 11 - Relationship of Security Threats to Objectives; TOE Objectives
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 52 of 67 © 2008 Nortel Networks 8 Rationale This section provides the rationale for the selection of the security requirements, objectives, assumptions, and threats. In particular, it shows that the...
Page 54 - OE.TIME ensures that this threat is removed.
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 54 of 67 © 2008 Nortel Networks TE.PHYSICAL An attacker may physically attack the Hardware appliance in order to compromise its secure operation. The environment ensures that the TOE is physically p...
Page 55 - OE.CERTIFICATE satisfies this assumption.; Security Functional Requirements Rationale
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 55 of 67 © 2008 Nortel Networks This may mean the environment provides a connection to a trusted Certificate Authority, or that the required certificates are otherwise available to the TOE. It is as...
Page 56 - Table 12 - Relationship of Security Requirements to Objectives; Objectives
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 56 of 67 © 2008 Nortel Networks Table 12 - Relationship of Security Requirements to Objectives Objectives Requirements O .I &A O .AUDIT O .SEL FPRO TECT O .CO NFIDENT O .F UN CTION S O .ADM IN O...
Page 58 - RFC; sessions with the TOE using IPSec protocol.; Access Control SFP
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 58 of 67 © 2008 Nortel Networks required to use SHA-1 and it must be implemented according to RFC 3174 [FCS_CKM.1(a), FCS_CKM.4, and FCS_COP.1(a,b,c,d,e,f)]. O.CONFIDENT The TOE must use the IPSec t...
Page 59 - information flow control SFP
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 59 of 67 © 2008 Nortel Networks The TSF is required to perform security management functions such as create users and assign roles to users [FMT_SMF.1]. The TOE must be able to recognize the differe...
Page 60 - succeed before each function within the TSC is allowed to proceed.; Security Assurance Requirements Rationale; Table 13 - Functional Requirements Dependencies
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 60 of 67 © 2008 Nortel Networks authorized users with the ability to verify the integrity of TSF Data and TSF executable code [FPT_AMT.1 and FPT_TST.1]. OE.TIME The environment must provide reliable...
Page 62 - TOE Summary Specification Rationale; Requirements
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 62 of 67 © 2008 Nortel Networks SFR ID Dependencies Dependency Met FPT_TST.1 FPT_AMT.1 FTP_TRP.1 [none] 8.6 TOE Summary Specification Rationale 8.6.1 TOE Summary Specification Rationale for the ...
Page 63 - Configuration Management; Secure Delivery and Operation; Corresponding CC Assurance Components:; Development
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 63 of 67 © 2008 Nortel Networks 8.6.2 TOE Summary Specification Rationale for the Security Assurance Requirements 8.6.2.1 Configuration Management The Configuration Management documentation provides...
Page 64 - Guidance Documentation
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 64 of 67 © 2008 Nortel Networks Corresponding CC Assurance Components: Functional Specification with Complete Summary Security-Enforcing High-Level Design Descriptive Low-Level Design Implementation...
Page 65 - Vulnerability and TOE Strength of Function Analyses; Strength of Function
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 65 of 67 © 2008 Nortel Networks Corresponding CC Assurance Components: Analysis of Coverage High-Level Design Functional Testing Independent Testing 8.6.2.7 Vulnerability and TOE Strength of Functio...
Page 66 - Acronyms
Security Target, Version 3.9 March 18, 2008 Nortel VPN Router v7.05 and Client Workstation v7.11 Page 66 of 67 © 2008 Nortel Networks 9 Acronyms Table 15 - Acronyms Acronym Definition 3DES Triple DES AES Advanced Encryption Standard CC Common Criteria CLI Command Line Interface CPU Central Processin...