Cisco Content Services Gateway policy security bypass

cisco-csg2-policy-security-bypass (64936) The risk level is classified as MediumMedium Risk

Description:

Cisco Content Services Gateway could allow a remote attacker to bypass security restrictions, caused by an error when checking access policies. By sending specially-crafted HTTP packets, a remote attacker could exploit this vulnerability to gain unauthorized access to restricted sites.

*CVSS:

Base Score: 6.4
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: None
 
Temporal Score: 4.7
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Bypass Security

Remedy:

Refer to cisco-sa-20110126-csg2 for patch, upgrade or suggested workaround information. See References.

References:

  • cisco-sa-20110126-csg2: Cisco Content Services Gateway Vulnerabilities.
  • BID-46022: Cisco Content Services Gateway Service Policy Security Bypass Vulnerability
  • CVE-2011-0348: Cisco IOS 12.4(11)MD, 12.4(15)MD, 12.4(22)MD, 12.4(24)MD before 12.4(24)MD3, 12.4(22)MDA before 12.4(22)MDA5, and 12.4(24)MDA before 12.4(24)MDA3 on the Cisco Content Services Gateway Second Generation (aka CSG2) allows remote attackers to bypass intended access restrictions and intended billing restrictions by sending HTTP traffic to a restricted destination after sending HTTP traffic to an unrestricted destination, aka Bug ID CSCtk35917.
  • OSVDB ID: 70720: Cisco Content Services Gateway Second Generation Restricted Destination HTTP Traffic Access Restriction Bypass
  • SA43052: Cisco Content Services Gateway Security Bypass and Denial of Service

Platforms Affected:

  • Cisco IOS 12.0
  • Cisco IOS 15.0M

Reported:

Jan 26, 2011

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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