{"id":"UBUNTU-CVE-2012-6084","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daemon crash) via a malformed request.","modified":"2025-07-16T07:31:03.931216Z","published":"2013-01-01T15:55:00Z","withdrawn":"2025-07-18T16:42:48Z","upstream":["CVE-2012-6084"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2012-6084"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2013/01/01/1"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2013/01/01/2"},{"type":"REPORT","url":"https://github.com/atheme/charybdis/commit/ac0707aa61d9c20e9b09062294701567c9f41595.patch"},{"type":"REPORT","url":"http://www.stack.nl/~jilles/irc/charybdis-3.4.2.tbz2"},{"type":"REPORT","url":"http://www.ratbox.org/download/ircd-ratbox-3.0.8.tar.bz2"},{"type":"REPORT","url":"http://rabbit.dereferenced.org/~nenolod/ASA-2012-12-31.txt"},{"type":"REPORT","url":"http://openwall.com/lists/oss-security/2013/01/01/4"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2012-6084"}],"affected":[{"package":{"name":"charybdis","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/charybdis@3.4.2-3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.2-3"}]}],"versions":["3.4.2-2","3.4.2-2ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"charybdis","binary_version":"3.4.2-3"},{"binary_name":"charybdis-dbg","binary_version":"3.4.2-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-6084.json"}},{"package":{"name":"ircd-ratbox","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/ircd-ratbox@3.0.7.dfsg-3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.7.dfsg-3"}]}],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"ircd-ratbox","binary_version":"3.0.7.dfsg-3"},{"binary_name":"ircd-ratbox-dbg","binary_version":"3.0.7.dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2012/UBUNTU-CVE-2012-6084.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"high"}]}