The SIP implementation on the Cisco PGW 2200 Softswitch with software 9.7(3)S before 9.7(3)S9 and 9.7(3)P before 9.7(3)P9 allows remote attackers to cause a denial of service (device crash) via a malformed header, aka Bug ID CSCsk04588.Referenceshttp://www.securityfocus.com/bid/40125http://osvdb.org/64683http://www.cisco.com/en/US/products/products_security_advisory09186a0080b2c519.shtml
