CVE-2007-1693 Information

Description

The SIP channel module in Yet Another Telephony Engine (Yate) before 1.2.0 sets the caller_info_uri parameter using an incorrect variable that can be NULL which allows remote attackers to cause a denial of service (NULL dereference and application crash) via a Call-Info header without a purpose parameter.

Reference

http://securityreason.com/securityalert/2716 http://voip.null.ro/cgi-bin/cvsweb.cgi/yate/modules/ysipchan.cpp http://www.securityfocus.com/archive/1/467289/100/200/threaded http://www.securityfocus.com/bid/23746