CVE-2007-1594
The handle_response function in chan_sip.c in Asterisk before 1.2.17 and 1.4.x before 1.4.2 allows remote attackers to cause a denial of service (crash) via a SIP Response code 0 in a SIP packet.
Date published : 2007-03-22
http://www.securityfocus.com/bid/23093
http://www.securityfocus.com/archive/1/463434/100/0/threaded