Cisco IOS SIP packets denial of service

cisco-ios-sip-dos (35890) The risk level is classified as MediumMedium Risk

Description:

Multiple Cisco devices running versions of Cisco IOS with the voice services enabled are vulnerable to a denial of service. By sending a specially-crafted SIP packet, a remote attacker could exploit this vulnerability to cause a memory leak and crash the device.

*CVSS:

Base Score: 6.8
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 5
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to cisco-sa-20070808-IOS-voice for upgrade or suggested workaround information. See References.

References:

  • cisco-sa-20070808-IOS-voice: Cisco Security Advisory: Voice Vulnerabilities in Cisco IOS and Cisco Unified Communications Manager.
  • BID-25239: Cisco IOS and Unified Communications Manager Multiple Voice Vulnerabilities
  • CVE-2007-4292: Multiple memory leaks in Cisco IOS 12.0 through 12.4 allow remote attackers to cause a denial of service (device crash) via a malformed SIP packet, aka (1) CSCsf11855, (2) CSCeb21064, (3) CSCse40276, (4) CSCse68355, (5) CSCsf30058, (6) CSCsb24007, and (7) CSCsc60249.
  • SA26363: Cisco IOS Voice Service Multiple Protocol Handling Vulnerabilities
  • SECTRACK ID: 1018533: Cisco IOS Bugs in Voice Services Let Remote Users Deny Service or Potentially Execute Arbitrary Code
  • VUPEN/ADV-2007-2816: Cisco IOS and UCM Remote Code Execution and Denial of Service Vulnerabilities

Platforms Affected:

  • Cisco IOS 12.0
  • Cisco IOS 12.0T
  • Cisco IOS 12.0WC
  • Cisco IOS 12.0XA
  • Cisco IOS 12.0XC
  • Cisco IOS 12.0XD
  • Cisco IOS 12.0XE
  • Cisco IOS 12.0XF
  • Cisco IOS 12.0XG
  • Cisco IOS 12.0XH
  • Cisco IOS 12.0XI
  • Cisco IOS 12.0XK
  • Cisco IOS 12.0XL
  • Cisco IOS 12.0XM
  • Cisco IOS 12.0XN
  • Cisco IOS 12.0XQ
  • Cisco IOS 12.0XR
  • Cisco IOS 12.0XV
  • Cisco IOS 12.1
  • Cisco IOS 12.1AA
  • Cisco IOS 12.1E
  • Cisco IOS 12.1EA
  • Cisco IOS 12.1EC
  • Cisco IOS 12.1EX
  • Cisco IOS 12.1EY
  • Cisco IOS 12.1EZ
  • Cisco IOS 12.1GA
  • Cisco IOS 12.1GB
  • Cisco IOS 12.1T
  • Cisco IOS 12.1XA
  • Cisco IOS 12.1XB
  • Cisco IOS 12.1XC
  • Cisco IOS 12.1XD
  • Cisco IOS 12.1XE
  • Cisco IOS 12.1XF
  • Cisco IOS 12.1XG
  • Cisco IOS 12.1XH
  • Cisco IOS 12.1XI
  • Cisco IOS 12.1XJ
  • Cisco IOS 12.1XL
  • Cisco IOS 12.1XM
  • Cisco IOS 12.1XP
  • Cisco IOS 12.1XQ
  • Cisco IOS 12.1XR
  • Cisco IOS 12.1XS
  • Cisco IOS 12.1XT
  • Cisco IOS 12.1XU
  • Cisco IOS 12.1XV
  • Cisco IOS 12.1XW
  • Cisco IOS 12.1XY
  • Cisco IOS 12.1XZ
  • Cisco IOS 12.1YA
  • Cisco IOS 12.1YB
  • Cisco IOS 12.1YC
  • Cisco IOS 12.1YD
  • Cisco IOS 12.1YE
  • Cisco IOS 12.1YF
  • Cisco IOS 12.1YH
  • Cisco IOS 12.1YI
  • Cisco IOS 12.2
  • Cisco IOS 12.2B
  • Cisco IOS 12.2BW
  • Cisco IOS 12.2BY
  • Cisco IOS 12.2CZ
  • Cisco IOS 12.2DD
  • Cisco IOS 12.2DX
  • Cisco IOS 12.2MC
  • Cisco IOS 12.2S
  • Cisco IOS 12.2SBC
  • Cisco IOS 12.2SU
  • Cisco IOS 12.2SV
  • Cisco IOS 12.2SW
  • Cisco IOS 12.2SX
  • Cisco IOS 12.2SXA
  • Cisco IOS 12.2SXB
  • Cisco IOS 12.2SXD
  • Cisco IOS 12.2SXE
  • Cisco IOS 12.2SXF
  • Cisco IOS 12.2SZ
  • Cisco IOS 12.2T
  • Cisco IOS 12.2TPC
  • Cisco IOS 12.2VZ
  • Cisco IOS 12.2XA
  • Cisco IOS 12.2XB
  • Cisco IOS 12.2XC
  • Cisco IOS 12.2XD
  • Cisco IOS 12.2XE
  • Cisco IOS 12.2XG
  • Cisco IOS 12.2XH
  • Cisco IOS 12.2XI
  • Cisco IOS 12.2XJ
  • Cisco IOS 12.2XK
  • Cisco IOS 12.2XL
  • Cisco IOS 12.2XM
  • Cisco IOS 12.2XN
  • Cisco IOS 12.2XQ
  • Cisco IOS 12.2XS
  • Cisco IOS 12.2XT
  • Cisco IOS 12.2XU
  • Cisco IOS 12.2XV
  • Cisco IOS 12.2XW
  • Cisco IOS 12.2YA
  • Cisco IOS 12.2YB
  • Cisco IOS 12.2YC
  • Cisco IOS 12.2YD
  • Cisco IOS 12.2YE
  • Cisco IOS 12.2YF
  • Cisco IOS 12.2YG
  • Cisco IOS 12.2YH
  • Cisco IOS 12.2YJ
  • Cisco IOS 12.2YK
  • Cisco IOS 12.2YL
  • Cisco IOS 12.2YM
  • Cisco IOS 12.2YN
  • Cisco IOS 12.2YP
  • Cisco IOS 12.2YQ
  • Cisco IOS 12.2YR
  • Cisco IOS 12.2YS
  • Cisco IOS 12.2YT
  • Cisco IOS 12.2YU
  • Cisco IOS 12.2YV
  • Cisco IOS 12.2YW
  • Cisco IOS 12.2YX
  • Cisco IOS 12.2YY
  • Cisco IOS 12.2YZ
  • Cisco IOS 12.2ZB
  • Cisco IOS 12.2ZC
  • Cisco IOS 12.2ZD
  • Cisco IOS 12.2ZE
  • Cisco IOS 12.2ZF
  • Cisco IOS 12.2ZG
  • Cisco IOS 12.2ZH
  • Cisco IOS 12.2ZJ
  • Cisco IOS 12.2ZL
  • Cisco IOS 12.2ZP
  • Cisco IOS 12.2ZR
  • Cisco IOS 12.2ZU
  • Cisco IOS 12.2ZW
  • Cisco IOS 12.2ZY
  • Cisco IOS 12.3
  • Cisco IOS 12.3B
  • Cisco IOS 12.3T
  • Cisco IOS 12.3TPC
  • Cisco IOS 12.3XA
  • Cisco IOS 12.3XB
  • Cisco IOS 12.3XC
  • Cisco IOS 12.3XD
  • Cisco IOS 12.3XE
  • Cisco IOS 12.3XF
  • Cisco IOS 12.3XG
  • Cisco IOS 12.3XH
  • Cisco IOS 12.3XI
  • Cisco IOS 12.3XJ
  • Cisco IOS 12.3XK
  • Cisco IOS 12.3XQ
  • Cisco IOS 12.3XR
  • Cisco IOS 12.3XS
  • Cisco IOS 12.3XU
  • Cisco IOS 12.3XW
  • Cisco IOS 12.3XY
  • Cisco IOS 12.3YA
  • Cisco IOS 12.3YD
  • Cisco IOS 12.3YF
  • Cisco IOS 12.3YG
  • Cisco IOS 12.3YH
  • Cisco IOS 12.3YI
  • Cisco IOS 12.3YK
  • Cisco IOS 12.3YM
  • Cisco IOS 12.3YQ
  • Cisco IOS 12.3YS
  • Cisco IOS 12.3YT
  • Cisco IOS 12.3YU
  • Cisco IOS 12.3YX
  • Cisco IOS 12.3YZ
  • Cisco IOS 12.4
  • Cisco IOS 12.4MR
  • Cisco IOS 12.4T
  • Cisco IOS 12.4XA
  • Cisco IOS 12.4XB
  • Cisco IOS 12.4XC
  • Cisco IOS 12.4XD
  • Cisco IOS 12.4XE
  • Cisco IOS 12.4XJ
  • Cisco IOS 12.4XT
  • Cisco IOS 12.4XV
  • Cisco IOS 12.4XW

Reported:

Aug 08, 2007

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