UBUNTU-CVE-2012-6084

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UBUNTU-CVE-2012-6084

Summary:

Details: 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.

References: https://ubuntu.com/security/CVE-2012-6084, http://www.openwall.com/lists/oss-security/2013/01/01/1, http://www.openwall.com/lists/oss-security/2013/01/01/2, https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch, http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2, http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2, http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt, http://openwall.com/lists/oss-security/2013/01/01/4, https://www.cve.org/CVERecord?id=CVE-2012-6084