First published: Thu Aug 27 2009(Updated: )
Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987.
Credit: ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco IOS | >=12.2<=12.4 | |
Cisco Unified Communications Manager | >=6.1\(1\)<6.1\(4\) | |
Cisco Unified Communications Manager | >=5.0<5.1\(3g\) | |
Cisco Unified Communications Manager | >=7.1<7.1\(2\) | |
Cisco IOS XE | >=2.5.0<=2.6.1 | |
Cisco IOS | >=15.0<=15.1 |
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