Content-Type: multipart/alternative; - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201405-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Charybdis, ShadowIRCd: Denial of Service Date: May 18, 2014 Bugs: #449544, #449790 ID: 201405-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability has been found in Charybdis and ShadowIRCd, possibly resulting in remote Denial of Service. Background ========== Charybdis is the Atheme Project's IRC daemon based on ratbox. ShadowIRCd is an IRC daemon based on Charybdis that adds several useful features. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-irc/charybdis < 3.4.2 >= 3.4.2 2 net-irc/shadowircd < 6.3.3 >= 6.3.3 ------------------------------------------------------------------- 2 affected packages Description =========== A vulnerability has been discovered in Charybdis and ShadowIRCd. Please review the CVE identifier referenced below for details. Impact ====== A remote attacker may be able to cause a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All Charybdis users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-irc/charybdis-3.4.2" All ShadowIRCd users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-irc/shadowircd-6.3.3" References ========== [ 1 ] CVE-2012-6084 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-6084 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201405-21.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2014 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5