CVE-2007-0244 Information

Description

pptpgre.c in PoPToP Point to Point Tunneling Server (pptpd) before 1.3.4 allows remote attackers to cause a denial of service (PPTP connection tear-down) via (1) GRE packets with out-of-order sequence numbers or (2) certain GRE packets that are processed using a wrong pointer and improperly dequeued.

Reference

http://secunia.com/advisories/25220 http://secunia.com/advisories/25255 http://secunia.com/advisories/26987 http://security.gentoo.org/glsa/glsa-200705-18.xml http://sourceforge.net/project/shownotes.php?release_id=501476&group_id=44827 http://www.debian.org/security/2007/dsa-1288 http://www.novell.com/linux/security/advisories/2007_10_sr.html http://www.novell.com/linux/security/advisories/2007_19_sr.html http://www.securityfocus.com/bid/23886 http://www.securitytracker.com/id?1018064 http://www.trustix.org/errata/2007/0017/ http://www.ubuntu.com/usn/usn-459-1 http://www.ubuntu.com/usn/usn-459-2 http://www.vupen.com/english/advisories/2007/1743