Vulnerability  oval:org.mitre.oval:def:7254
Cisco IOS zone based sip inspection vulnerability  

Unspecified vulnerability in Cisco IOS 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4T, 12.4XZ, and 12.4YA, when Zone-Based Policy Firewall SIP Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a crafted SIP transit packet, aka Bug ID CSCsr18691.
Create Date: 2010-05-13 Last Update Date: 2013-04-22

Affected Platforms/Products

Affected Products (CPE + CVE references)
Platforms: ios (from OVAL definitions)
  • Cisco IOS

References

Criteria

The system is vulnerable
IF : All of the following are true
IF : policy map contains: sip
ios : line_test :  policy map contains: sip 
At least one of the objects listed below must exist on the system (Existence check)
IOS : Command 
show policy-map type inspect zone-pair|include atch: access|protocol sip
If AT LEAST ONE of the individual results for the objects listed below are true
All of the following conditions must be satisfied
show_subcommand (equals) show policy-map type inspect zone-pair|include atch: access|protocol sip
config_line pattern match ^\s*Match:^\s*access-group^\s*\d+
ios : line_state 
show_subcommand (equals) show policy-map type inspect zone-pair|include atch: access|protocol sip
config_line pattern match ^\s*Match:^\s*protocol^\s*sip
ios : line_state 
IF : IOS versions
ios : version55_test :  IOS versions 
At least one of the objects listed below must exist on the system (Existence check)
version_string pattern match 12\.4\(20\w*\)T1?[A-Za-z]*$|12\.4\(22\w*\)T[A-Za-z]*$|12\.4\(24\w*\)T[A-Za-z]*$|12\.4\(\d+\w*\)XZ(\d.*|$)|12\.4\(\d+\w*\)YA(\d.*|$)|12\.4\((\d|1\d|2[0-2])\)YB([0-3][A-Za-z]*|$)|12\.2\(\d+\w*\)XN[A-D](\d.*|$)
ios : version55_state 

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OVAL Definitions By Referenced Objects

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