This signature triggers on an attempt to exploit a Session Initiation Protocol (SIP) packet processing vulnerability in certain versions of the Cisco Call Manager. Successful exploitation of the vulnerability can result in a denial of service condition that may interrupt voice services. This signature recognizes the attempt over TCP.The Vulnerability in Cisco Call Manager is in Cisco Bug ID CSCsz43987.This vulnerability has been assigned CVE-2009-2051.
There are no suggested filters.
The potential for false positives exists, as such, this signature ships disabled by default and should only be used if running a vulnerable version of CCM.
LEGAL DISCLAIMER THE INFORMATION ON THIS PAGE IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION CONTAINED HEREIN, OR MATERIALS LINKED FROM THE DOCUMENT, IS AT YOUR OWN RISK. INFORMATION IN THIS DOCUMENT AND ANY RELATED COMMUNICATIONS IS BASED ON OUR KNOWLEDGE AT THE TIME OF PUBLICATION AND IS SUBJECT TO CHANGE WITHOUT NOTICE. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.