CVE-2012-6084

Name	CVE-2012-6084
Description	modules/m_capab.c in (1) ircd-ratbox before 3.0.8 and (2) Charybdis before 3.4.2 does not properly support capability negotiation during server handshakes, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2612-1
Debian Bugs	697092, 697093

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
charybdis (PTS)	jessie, jessie (lts)	3.4.2-5+deb8u2	fixed
	stretch	3.5.3-1	fixed
	buster	4.1.1-1	fixed
ircd-ratbox (PTS)	jessie	3.0.8.dfsg-3	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
charybdis	source	(unstable)	3.3.0-7.1		697092
ircd-ratbox	source	squeeze	3.0.6.dfsg-2squeeze1	DSA-2612-1
ircd-ratbox	source	(unstable)	3.0.7.dfsg-3		697093

https://www.openwall.com/lists/oss-security/2013/01/01/1
https://www.openwall.com/lists/oss-security/2013/01/01/2