Cisco Unified IP Phone default user account

cisco-unified-ip-phone-default-user-account (32627) The risk level is classified as HighHigh Risk

Description:

Multiple Cisco Unified IP Phone devices contain a default user account embedded in the firmware. A remote attacker could use this account to connect to the Secure Shell (SSH) server enabled on the phone to access the Command Line Interface (CLI) and gain unauthorized administrative access to the device or cause the phone to crash.

Note: The default account is included for use in debugging and cannot be disabled or removed, or allow the default password to be changed. The SSH server cannot be disabled.

Platforms Affected:

  • Cisco, Unified IP Phone 7906G
  • Cisco, Unified IP Phone 7911G
  • Cisco, Unified IP Phone 7941G
  • Cisco, Unified IP Phone 7961G
  • Cisco, Unified IP Phone 7970G
  • Cisco, Unified IP Phone 7971G

Remedy:

Refer to cisco-sa-20070221-phone for suggested workaround information. See References.

Consequences:

Gain Access

References:

  • Cisco Unified IP Phone Web site, Cisco Unified IP Phones 7900 Series - Products & Services - Cisco Systems at http://www.cisco.com/en/US/products/hw/phones/ps379/index.html.
  • cisco-sa-20070221-phone, Cisco Security Advisory: Cisco Unified IP Conference Station and IP Phone Vulnerabilities at http://www.cisco.com/warp/public/707/cisco-sa-20070221-phone.shtml .
  • BID-22647: Cisco Unified IP Conference Station and Unified IP Phone Vulnerabilities
  • CVE-2007-1063: The SSH server in Cisco Unified IP Phone 7906G, 7911G, 7941G, 7961G, 7970G, and 7971G, with firmware 8.0(4)SR1 and earlier, uses a hard-coded username and password, which allows remote attackers to access the device.
  • CVE-2007-1072: The command line interface (CLI) in Cisco Unified IP Phone 7906G, 7911G, 7941G, 7961G, 7970G, and 7971G, with firmware 8.0(4)SR1 and earlier allows local users to obtain privileges or cause a denial of service via unspecified vectors. NOTE: this issue can be leveraged remotely via CVE-2007-1063.
  • SA24262: Cisco Unified IP Conference Station / IP Phone Default Accounts
  • SECTRACK ID: 1017681: Cisco IP Phones Default Account Grants Remote Access and Subsequent Privilege Escalation
  • VUPEN/ADV-2007-0689: Cisco Unified IP Phone Default Account Unauthorized Access and Denial of Service Issue

Reported:

Feb 21, 2007

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