CVE-2012-6084 Information

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.

Reference

http://openwall.com/lists/oss-security/2013/01/01/4 http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt http://www.debian.org/security/2013/dsa-2612 http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2 http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2 https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch