CVE-2012-3949 Information

Description

The SIP implementation in Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su5 8.x before 8.5(1)su4 and 8.6 before 8.6(2a)su1; Cisco IOS 12.2 through 12.4 and 15.0 through 15.2; and Cisco IOS XE 3.3.xSG before 3.3.1SG 3.4.xS and 3.5.xS allows remote attackers to cause a denial of service (service crash or device reload) via a crafted SIP message containing an SDP session description aka Bug IDs CSCtw66721 CSCtj33003 and CSCtw84664.

Reference

http://osvdb.org/85816 http://secunia.com/advisories/50774 http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-cucm http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120926-sip http://www.securityfocus.com/bid/55697