Cisco IOS UDP IPC communication denial of service variant 2

ios-udp-ipc-dos-variant2 (45592) The risk level is classified as MediumMedium Risk

Description:

Cisco 10000, uBR10012 and uBR7200 devices running Cisco IOS are vulnerable to a denial of service, caused by an error when processing certain UDP packets. By sending a specially-crafted UDP packet to an interface intended for IPC communication, a remote attacker could cause the device and/or linecard to reload.

*CVSS:

Base Score: 7.8
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 5.8
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

No remedy available as of September 1, 2014.

References:

  • Cisco Security Alert, September 24, 2008 01:04 PM EDT: Cisco IOS IPC Message Denial of Service Vulnerability.
  • cisco-sa-20080924-ipc: Cisco Security Advisory: Cisco 10000, uBR10012, uBR7200 Series Devices IPC Vulnerability .
  • CVE-2008-3806: Cisco IOS 12.0 through 12.4 on Cisco 10000, uBR10012 and uBR7200 series devices handles external UDP packets that are sent to 127.0.0.0/8 addresses intended for IPC communication within the device, which allows remote attackers to cause a denial of service (device or linecard reload) via crafted UDP packets, a different vulnerability than CVE-2008-3805.
  • SA31990: Cisco IOS Multiple Vulnerabilities

Platforms Affected:

  • Cisco 10000
  • Cisco IOS 12.0S
  • Cisco IOS 12.0SL
  • Cisco IOS 12.0ST
  • Cisco IOS 12.0SZ
  • Cisco IOS 12.2ZX
  • Cisco IOS 12.3BC
  • Cisco IOS 12.3T
  • Cisco IOS 12.3XI
  • Cisco IOS 12.4
  • Cisco uBR10012
  • Cisco uBR7200

Reported:

Sep 24, 2008

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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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