ctrlpacket.c in PoPToP PPTP server before 1.1.4-b3 allows remote attackers to cause a denial of service via a length field of 0 or 1, which causes a negative value to be fed into a read operation, leading to a buffer overflow.Referenceshttp://marc.info/?l=bugtraq&m=105068728421160&w=2http://www.novell.com/linux/security/advisories/2003_029.htmlhttp://www.kb.cert.org/vuls/id/673993http://www.securityfocus.com/bid/7316http://sourceforge.net/project/shownotes.php?release_id=138437http://www.debian.org/security/2003/dsa-295http://www.securityfocus.com/archive/1/319428http://www.securityfocus.com/archive/1/317995http://marc.info/?l=bugtraq&m=105154539727967&w=2
