Unspecified vulnerability in Cisco ASA 5500 Series Adaptive Security Appliance 7.0 before 7.0(8.10), 7.2 before 7.2(4.45), 8.0 before 8.0(5.2), 8.1 before 8.1(2.37), and 8.2 before 8.2(1.16); and Cisco PIX 500 Series Security Appliance; allows remote attackers to cause a denial of service (device reload) via malformed SIP messages, aka Bug ID CSCsy91157.
https://exchange.xforce.ibmcloud.com/vulnerabilities/56338
http://www.vupen.com/english/advisories/2010/0415
http://www.securitytracker.com/id?1023612
http://www.securityfocus.com/bid/38277
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b1910c.shtml
http://secunia.com/advisories/38636