CVE-2007-4924 Information

Description

The Open Phone Abstraction Library (opal) as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4 allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets which causes a \0 byte to be written to an \attacker-controlled address.\

Reference

http://lists.opensuse.org/opensuse-security-announce/2007-10/msg00006.html http://mail.gnome.org/archives/ekiga-list/2007-September/msg00103.html http://openh323.cvs.sourceforge.net/openh323/opal/src/sip/sippdu.cxx?r1=2.83.2.19&r2=2.83.2.20 http://osvdb.org/41637 http://secunia.com/advisories/27118 http://secunia.com/advisories/27128 http://secunia.com/advisories/27129 http://secunia.com/advisories/27271 http://secunia.com/advisories/27524 http://secunia.com/advisories/28380 http://www.mandriva.com/security/advisories?name=MDKSA-2007:205 http://www.redhat.com/support/errata/RHSA-2007-0957.html http://www.s21sec.com/avisos/s21sec-037-en.txt http://www.securityfocus.com/archive/1/482120/30/4500/threaded http://www.securityfocus.com/bid/25955 http://www.securitytracker.com/id?1018776 http://www.ubuntu.com/usn/usn-562-1 http://www.vupen.com/english/advisories/2007/3413 http://www.vupen.com/english/advisories/2007/3414 https://bugzilla.redhat.com/show_bug.cgi?id=296371 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11398 https://www.exploit-db.com/exploits/9240