NIAP: Compliant Product
NIAP/CCEVS
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Compliant Product - Cisco Aggregation Services Router (ASR) 1000 Series (ASR1K)

Certificate Date:  2017.11.17

Validation Report Number:  CCEVS-VR-VID10816-2017

Product Type:    Network Device

Conformance Claim:  Protection Profile Compliant

PP Identifier:    collaborative Protection Profile for Network Devices Version 1.0

CC Testing Lab:  Acumen Security


CC Certificate [PDF] Security Target [PDF] Validation Report [PDF]

Assurance Activity [PDF]

Administrative Guide [PDF]


Product Description

The hardware models included in the evaluation are: 1004. The TOE consists of a number of components including:

·         Chassis: The TOE chassis includes 4-RU form factor. The chassis is the component of the TOE in which all other TOE components are housed.

·         Embedded Services Processor (ESPr): The Cisco ASR1K Series ESPrs (ESP10, ESP 20, ESP40) are responsible for the data-plane processing tasks, and all network traffic flows through them.

·         Route Processor (RP): The Cisco ASR1K Series RPs (RP1 and RP2) provide the advanced routing capabilities of the TOE. They also monitor and manage the other components in the Cisco ASR1K Series Aggregation Services.

·         Shared Port Adaptors (SPAs): Used for connecting to networks.  These SPAs interface with the TOE to provide the network interfaces that will be used to communicate on the network. 


Evaluated Configuration


Security Evaluation Summary

The evaluation was carried out in accordance with the Common Criteria Evaluation and Validation Scheme (CCEVS) process and scheme. The criteria against which the Cisco Aggregation Services Router (ASR) 1004 was evaluated are described in the Common Criteria for Information Technology Security Evaluation, Version 3.1 rev 4.  The evaluation methodology used by the evaluation team to conduct the evaluation is the Common Methodology for Information Technology Security Evaluation, Version 3.1 rev 4.  The product, when delivered configured as identified in the Administrative Guidance Document (AGD), satisfies all of the security functional requirements stated in the Security Target. The project underwent CCEVS Validator review.  The evaluation was completed in November 2017.  Results of the evaluation can be found in the Common Criteria Evaluation and Validation Scheme Validation Report prepared by CCEVS.


Environmental Strengths

Security Audit

The ASR1K provides extensive auditing capabilities. The TOE can audit events related to cryptographic functionality, identification and authentication, and administrative actions. The TOE generates an audit record for each auditable event.  Each security relevant audit event has the date, timestamp, event description, and subject identity.  The administrator configures auditable events, performs back-up operations and manages audit data storage.  The TOE provides the administrator with a circular audit trail or a configurable audit trail threshold to track the storage capacity of the audit trail.  Audit logs are backed up over an encrypted channel to an external audit server.

Cryptographic Support

The TOE provides cryptography in support of other TOE security functionality.  All the algorithms claimed have CAVP certificates. The TOE provides cryptography in support of VPN connections and remote administrative management via SSHv2. The cryptographic services provided by the TOE are described in the table below.

Cryptographic Method

Use within the TOE

Internet Key Exchange

Used to establish initial IPsec session.

Secure Shell Establishment

Used to establish initial SSH session.

RSA/DSA Signature Services

Used in IPsec session establishment.

Used in SSH session establishment.

X.509 certificate signing

SP 800-90 RBG

Used in IPsec session establishment.

Used in SSH session establishment.

SHS

Used to provide IPsec traffic integrity verification

Used to provide SSH traffic integrity verification

Used for keyed-hash message authentication

AES

Used to encrypt IPsec session traffic.

Used to encrypt SSH session traffic.

RSA

Used in IKE protocols peer authentication

Used to provide cryptographic signature services

ECC

Used to provide cryptographic signature services

DH

Used as the Key exchange method for SSH

Identification and Authentication

The TOE performs two types of authentication: device-level authentication of the remote device (VPN peers) and user authentication for the Authorized Administrator of the TOE.  Device-level authentication allows the TOE to establish a secure channel with a trusted peer.  The secure channel is established only after each device authenticates the other.  Device-level authentication is performed via IKE/IPsec mutual authentication. The TOE supports use of IKEv1 (ISAKMP) and IKEv2 pre-shared keys for authentication of IPsec tunnels. The IKE phase authentication for the IPsec communication channel between the TOE and authentication server and between the TOE and syslog server is considered part of the Identification and Authentication security functionality of the TOE.  

The TOE provides authentication services for administrative users to connect to the TOE’s secure CLI administrator interface.  The TOE requires Authorized Administrators to authenticate prior to being granted access to any of the management functionality.  The TOE can be configured to require a minimum password length of 15 characters. The TOE provides administrator authentication against a local user database.  Password-based authentication can be performed on the serial console or SSH interfaces.  The SSHv2 interface also supports authentication using SSH keys.  The TOE optionally supports use of a RADIUS AAA server (part of the IT Environment) for authentication of administrative users attempting to connect to the TOE’s CLI.

The TOE provides an automatic lockout when a user attempts to authenticate and enters invalid information.  After a defined number of authentication attempts fail exceeding the configured allowable attempts, the user is locked out until an authorized administrator can enable the user account. 

The TOE uses X.509v3 certificates as defined by RFC 5280 to support authentication for IPsec, and SSH connections.

Security Management

The TOE provides secure administrative services for management of general TOE configuration and the security functionality provided by the TOE.  All TOE administration occurs either through a secure SSHv2 session or via a local console connection.  The TOE provides the ability to securely manage:

             Administration of the TOE locally and remotely;

             All TOE administrative users;

             All identification and authentication;

             All audit functionality of the TOE;

             All TOE cryptographic functionality;

             The timestamps maintained by the TOE;

             Update to the TOE and verification of the updates;

             Configuration of IPsec functionality;

             TOE configuration file storage and retrieval. 

The TOE supports two separate administrator roles: non-privileged administrator and privileged administrator.  Only the privileged administrator can perform the above security relevant management functions. Management of the TSF data is restricted to Security Administrators. The ability to enable, disable, determine and modify the behavior of all of the security functions of the TOE is restricted to authenticated administrators.

Administrators can create configurable login banners to be displayed at time of login, and can also define an inactivity timeout for each admin interface to terminate sessions after a set period of inactivity. 

Protection of the TSF

The TOE protects against interference and tampering by untrusted subjects by implementing identification, authentication, and access controls to limit configuration to Authorized Administrators.  The TOE prevents reading of cryptographic keys and passwords. 

Additionally, Cisco IOS-XE is not a general-purpose operating system and access to Cisco IOS-XE memory space is restricted to only Cisco IOS-XE functions.

The TOE internally maintains the date and time.  This date and time is used as the timestamp that is applied to audit records generated by the TOE.  Administrators can update the TOE’s clock manually, or can configure the TOE to use NTP to synchronize the TOE’s clock with an external time source.  Finally, the TOE performs testing to verify correct operation of the router itself and that of the cryptographic module.

The TOE is able to verify any software updates prior to the software updates being installed on the TOE to avoid the installation of unauthorized software.

Whenever a failure occurs within the TOE that results in the TOE ceasing operation, the TOE securely disables its interfaces to prevent the unintentional flow of any information to or from the TOE and reloads.

TOE Access

The TOE can terminate or lock inactive sessions after an Authorized Administrator configurable time-period.  Once a session has been terminated the TOE requires the user to re-authenticate to establish a new session.  Sessions can also be terminated if an Authorized Administrator enters the “exit” command. 

The TOE can also display a Security Administrator specified banner on the CLI management interface prior to allowing any administrative access to the TOE.

Trusted Path/Channel

The TOE allows trusted paths to be established to itself from remote administrators over SSHv2, and initiates outbound IPsec tunnels to transmit audit messages to remote syslog servers.  In addition, IPsec is used to secure the session between the TOE and the authentication servers. The TOE can also establish trusted paths of peer-to-peer IPsec sessions.  The peer-to-peer IPsec sessions can be used for securing the communications between the TOE and authentication server/syslog server, as well as to protect communications with a CA or remote administrative console.


Vendor Information

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Cisco Systems, Inc.
Deepak Somesula
4103094862
certteam@cisco.com

www.cisco.com
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