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Compliant Product - Cisco Catalyst 9600 Series Switches running IOS-XE 16.12

Certificate Date:  2020.03.09

Validation Report Number:  CCEVS-VR-VID11029-2020

Product Type:    Network Switch
   Network Device

Conformance Claim:  Protection Profile Compliant

PP Identifier:    collaborative Protection Profile for Network Devices Version 2.1
  Extended Package for MACsec Ethernet Encryption Version 1.2

CC Testing Lab:  Acumen Security


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

Assurance Activity [PDF]

Administrative Guide [PDF]


Product Description

The Cisco Catalyst 9600 Series Switches running IOS-XE 16.12 (herein after referred to as Cat9K Series). The TOE is a purpose-built, switching and routing platform with OSI Layer2 and Layer3 traffic filtering capabilities.  The TOE also supports MACsec encryption for switch-to-switch (inter-network device) security.  These switches offer broadband speeds and simplified management to small businesses, and enterprise small branch and teleworkers.


Evaluated Configuration

Cisco Catalyst 9600 Series Switches running IOS-XE 16.12


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 CATALYST 9600 SERIES SWITCHES was evaluated are described in the Common Criteria for Information Technology Security Evaluation, Version 3.1 rev 5.  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 5.  Acumen Security determined that the evaluation assurance level (EAL) for the product is EAL 1.  The product, when delivered configured as identified in the Cisco Catalyst 9600 Series Switches running IOS-XE 16.12 Common Criteria Operational User Guidance and Preparative Procedures, satisfies all of the security functional requirements stated in the Cisco Catalyst 9600 Series Switches running IOS-XE 16.12 Common Criteria Security Target. The project underwent CCEVS Validator review.  The evaluation was completed in March 2020.  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 Cisco Catalyst 9600 Series Switches provides extensive auditing capabilities. The TOE generates a comprehensive set of audit logs that identify specific TOE operations. For each event, the TOE records the date and time of each event, the type of event, the subject identity, and the outcome of the event.

The TOE is configured to transmit its audit messages to an external syslog server. Communication with the syslog server is protected using IPsec and the TOE can determine when communication with the syslog server fails.  If that should occur, the TOE can be configured to block new permit actions. 

The audit logs can be viewed on the TOE using the appropriate IOS-XE commands.  The records include the date/time the event occurred, the event/type of event, the user associated with the event, and additional information of the event and its success and/or failure.  The TOE does not have an interface to modify audit records, though there is an interface available for the Authorized Administrator to clear audit data stored locally on the TOE.

 

Cryptographic Support

The TOE provides cryptography in support of other TOE security functionality.  All the algorithms claimed have CAVP certificates (Operation Environment – Intel Xeon D-1548 processor).

The TOE leverages the IOS Common Cryptographic Module (IC2M) Rel5 as leveraged.  The IOS software calls the IOS Common Cryptographic Module (IC2M) Rel5 (Firmware Version: Rel 5) that has been validated for conformance to the requirements of FIPS 140-2 Level 1.

In addition, the TOE supports MACsec using proprietary Unified Access Data Plane (UADP) ASIC.  The MACsec Controller (MSC) is embedded within the ASICs that are utilized within Cisco hardware platform line cards, C9600-LC-48YL and/or C9600-LC-24C.

The TOE provides cryptography in support of VPN connections that includes remote administrative management via SSHv2 and IPsec to secure the transmission of audit records to the remote syslog server.  In addition, IPsec is used to secure the session between the TOE and the authentication servers. 

The TOE authenticates and encrypts packets between itself and a MACsec peer.  The MACsec Key Agreement (MKA) Protocol provides the required session keys and manages the required encryption keys to protect data exchanged by the peers.

 

Identification and authentication

The TOE performs two types of authentication: device-level authentication of the remote device (TOE 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 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 as well as mandatory password complexity rules.  The TOE provides administrator authentication against a local user database.  Password-based authentication can be performed on the local serial console or SSHv2 interfaces.  The SSHv2 interface also supports authentication using SSH keys.  The TOE 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 connection to the remote authentication server is secured using IPsec.

The TOE also provides an automatic lockout when a user attempts to authenticate and enters invalid information.  When the threshold for a defined number of failed authentication attempts has exceeded the configured allowable attempts, the user is locked out until an Authorized Administrator can reenable the user account. 

The TOE uses X.509v3 certificates as defined by RFC 5280 to support authentication for IPsec 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 serial console connection. 

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.  The privileged administrator is the Authorized Administrator of the TOE who has the ability to enable, disable, determine and modify the behavior of all of the security functions of the TOE as described in this document.

 

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

The TOE is also able to detect replay of information received via secure channels (MACsec).  The detection is applied to network packets that terminate at the TOE, such as trusted communications between the TOE and an IT entity (e.g., MACsec peer).  If replay is detected, the packets are discarded.

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.  The TOE provides the Authorized Administrators the capability to update the TOE’s clock manually to maintain a reliable timestamp. 

Finally, the TOE performs testing to verify correct operation of the TOE itself and that of the cryptographic module.

 

TOE Access

The TOE can terminate 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. 

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

 

Trusted path/Channels

The TOE allows trusted path to be established to itself from remote administrators over SSHv2 and initiates outbound IPsec trusted channels to transmit audit messages to remote syslog servers.  In addition, IPsec is used as a trusted channel between the TOE and the remote authentication servers, as well as to protect the communications with the CA server. 

The TOE also supports MACsec secured trusted channels between itself and MACsec peers.

 

Excluded Functionality

The following functionality is excluded from the evaluation.

Table 3 Excluded Functionality

Excluded Functionality

Exclusion Rationale

Non-FIPS 140-2 mode of operation

This mode of operation includes non-FIPS allowed operations.

These services can be disabled by configuration settings as described in the Guidance documents (AGD). The exclusion of this functionality does not affect the compliance to the collaborative Protection Profile for Network Devices Version 2.1 or the Network Device Collaborative Protection Profile (NDcPP) Extended Package MACsec Ethernet Encryption v1.2.

 


Vendor Information


Cisco Systems, Inc.
Cert Team
410-309-4862
certteam@cisco.com

www.cisco.com
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