CVE-2007-4295
Unspecified vulnerability in Cisco IOS 12.0 through 12.4 allows remote attackers to execute arbitrary code via a malformed SIP packet, aka CSCsi80749.
Date published : 2007-08-09
http://www.securityfocus.com/bid/25239
http://www.cisco.com/en/US/products/products_security_advisory09186a0080899653.shtml