CVE-2012-2472 Information

Description

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 and 8.4 when SIP inspection is enabled create many identical pre-allocated secondary pinholes which might allow remote attackers to cause a denial of service (CPU consumption) via crafted SIP traffic aka Bug ID CSCtz63143.

Reference

http://www.cisco.com/en/US/docs/security/asa/asa84/release/notes/asarn84.html