Rule--Sid13664--Summary:This event is generated when an attempt is made to exploit a known vulnerability in 7960.--Impact:Denial of Service.   --Detailed Information:Unspecified vulnerability in the Cisco IP Phone 7940 and 7960 running firmware before POS8-6-0 allows remote attackers to cause a denial of service via the Remote-Party-ID sipURI field in a SIP INVITE request. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.--Affected Systems:Cisco 7960 1--Attack Scenarios:--Ease of Attack:--False Positives:None known.--False Negatives:None known.--Corrective Action:Upgrade to the latest non-affected version of the software.Apply the appropriate vendor supplied patches.--Contributors:Sourcefire Vulnerability Research TeamThis document was generated from data supplied by the National Vulnerability Database. A product of the National Institute of Standards and Technology.For more information see http://nvd.nist.gov/--Additional References:NIST CVE-2007-1542:http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-1542--