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Compliant Product - Cisco Catalyst 3K/4K Wired Access Switches running IOS-XE 3.8.0E

Certificate Date:  2016.03.09

Validation Report Number:  CCEVS-VR-VID10688-2016

Product Type:    Network Device

Conformance Claim:  Protection Profile Compliant

PP Identifier:    collaborative Protection Profile for Network Devices Version 1.0

CC Testing Lab:  Gossamer Security Solutions

Maintenance Release:
CC Certificate [PDF] Security Target [PDF] * Validation Report [PDF]

Assurance Activity [PDF]

Administrative Guide [PDF]

* This is the Security Target (ST) associated with the latest Maintenance Release.  To view previous STs for this TOE, click here.

Product Description

The Target of Evaluation (TOE) is the Cisco Catalyst 3K/4K Wired Access Switches.  The TOE is comprised of both software and hardware.  The evaluated models are Cisco Catalyst Switches 3650 and 3850 running IOS-XE 3.6.3E and 4503-E, 4506-E, 4507R+E, 4510R+E, 4500-X and 4500-XF running IOS-XE 3.8.0E.

The Cisco Catalyst 3K/4K Wired Access Switches that comprises the TOE has common hardware characteristics. These characteristics affect only non-TSF relevant functions of the switches (such as throughput and amount of storage) and therefore support security equivalency of the switches in terms of hardware. 

The Cisco Catalyst 3K/4K Wired Access Switches primary features include the following:

  • Central processor that supports all system operations;
  • Dynamic memory, used by the central processor for all system operation.
  • Flash memory (EEPROM), used to store the Cisco IOS image (binary program).
  • USB port (v2.0) (note, none of the USB devices are included in the TOE).
    • Type A for Storage, all Cisco supported USB flash drives.
    • Type mini-B as console port in the front.
  • Non-volatile read-only memory (ROM) is used to store the bootstrap program and power-on diagnostic programs.
  • Non-volatile random-access memory (NVRAM) is used to store switchswitch configuration parameters that are used to initialize the system at start-up.
  • Physical network interfaces (minimally two) (e.g. RJ45 serial and standard 10/100/1000 Ethernet ports).  Some models have a fixed number and/or type of interfaces; some models have slots that accept additional network interfaces.
  • 10 Gigabit Ethernet (GE) uplinks and supports Power over Ethernet Plus (PoE+) and Universal POEP (UPOE).  (Universal POEP is an enhancement to the PoEP (802.3at) standard to allow powered devices up to 60W to connect over a single Cat 5e cable. Standard PoEP uses only 2 twisted pairs (out of 4) in the Ethernet cable. UPOE uses all 4 twisted pairs to deliver 60W to the port.)
  • Redundant power supplies and fans. 

Evaluated Configuration

The evaluated configuration consists of the Cisco Catalyst 3K/4K Wired Access Switches, including the following models: Cisco Catalyst Switches 3650 and 3850 running IOS-XE 3.6.3E and 4503-E, 4506-E, 4507R+E, 4510R+E, 4500-X and 4500-XF running IOS-XE 3.8.0E.

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 3K/4K Wired Access Switches was judged 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.  Gossamer Security Solutions determined that the evaluation assurance level (EAL) for the product is EAL 1.  The product, when delivered and configured as identified in the Cisco Catalyst 3K/4K Wired Access Switches Common Criteria Operational User Guidance and Preparative Procedures, Version 1.0, March 4, 2016 document, satisfies all of the security functional requirements stated in the Cisco Catalyst 3K/4K Wired Access Switches Security Target, Version 1.0, March 4, 2016.  The project underwent CCEVS Validator review.  The evaluation was completed in March 2016.  Results of the evaluation can be found in the Common Criteria Evaluation and Validation Scheme Validation Report (report number CCEVS-VR-VID10688-2016) prepared by CCEVS.

Environmental Strengths

The logical boundaries of the Cisco Catalyst 3K/4K Wired Access Switches TOE are realized in the security functions that it implements. Each of these security functions is summarized below.

Security Audit - The Cisco Catalyst 3K/4K Wired Access 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 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 Cisco Cat3K/4K WAS security functionality.  This IOS software calls the IOS Common Cryptographic Module (IC2M) Rel5 (Firmware Version: Rel 5) has been validated for conformance to the requirements of FIPS 140-2 Level 1 certificate #2388.

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 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 TOEs 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.  The TOE provides administrator authentication against a local user database.  Password-based authentication can be performed on the serial console or SSHv2 session interfaces over IPsec secured connection.  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.

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 running over IPsec or via a local console connection. The TOE provides the ability to securely manage all aspects of the security requirements. 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.

TSF Protection - 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 switch 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 Authorized Administrator software.

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 paths to be established to itself from remote administrators over SSHv2 over IPsec, 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.

Vendor Information

Cisco Systems, Inc.
Terrie Diaz
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