CVE-2003-0795

Name	CVE-2003-0795
Description	The vty layer in Quagga before 0.96.4, and Zebra 0.93b and earlier, does not verify that sub-negotiation is taking place when processing the SE marker, which allows remote attackers to cause a denial of service (crash) via a malformed telnet command to the telnet CLI port, which may trigger a null dereference.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
References	DSA-415
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
quagga (PTS)	wheezy	0.99.22.4-1+wheezy2	fixed
	wheezy (security)	0.99.22.4-1+wheezy3+deb7u1	fixed
	jessie (security), jessie	0.99.23.1-1+deb8u3	fixed
	buster, sid, stretch	1.1.1-3	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
quagga	source	(unstable)	0.96.4x-4	medium