Cisco Router Web Setup (CRWS) IOS HTTP interface command execution

cisco-crws-command-execution (27688) The risk level is classified as HighHigh Risk

Description:

Multiple Cisco devices that utilize the Cisco Router Web Setup (CRWS) tool for configuration and management could allow a remote attacker to execute arbitrary commands, caused by an insecure default IOS configuration. If no additional authentication mechanisms have been configured for the Cisco IOS HTTP interface, a remote attacker could connect to a vulnerable device without authentication and execute arbitrary commands with level 15 privileges.

Platforms Affected:

  • Cisco, Router Web Setup 3.3.0_build_30

Remedy:

Refer to Cisco Security Advisory cisco-sa-20060712-crws for upgrade or workaround information. See References.

Consequences:

Gain Access

References:

  • cisco-sa-20060712-crws, Cisco Security Advisory: Cisco Router Web Setup Ships with Insecure Default IOS Configuration at http://www.cisco.com/en/US/products/products_security_advisory09186a00806e0bc3.shtml.
  • BID-18953: Cisco Router Web Setup (CRWS) Authentication Bypass Vulnerability
  • CVE-2006-3595: The default configuration of IOS HTTP server in Cisco Router Web Setup (CRWS) before 3.3.0 build 31 does not require credentials, which allows remote attackers to access the server with arbitrary privilege levels, aka bug CSCsa78190.
  • OSVDB ID: 27159: Cisco Router Web Setup (CRWS) Default Configuration Authentication Bypass
  • SA21028: Cisco Router Web Setup Insecure Default Cisco IOS Configuration
  • SECTRACK ID: 1016476: Cisco Router Web Setup Tool Uses an Unsafe IOS Router Configuration By Default
  • US-CERT VU#205225: Cisco Router Web Setup (CRWS) contains an insecure default IOS configuration
  • VUPEN/ADV-2006-2773: Cisco Router Web Setup Insecure Configuration Remote Command Execution Vulnerability

Reported:

Jul 12, 2006

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