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Gentoo: GLSA-201405-21 Normal: Charybdis and ShadowIRCd DoS Threat

A vulnerability has been found in Charybdis and ShadowIRCd, possibly resulting in remote Denial of Service.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201405-21 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://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: https://security.gentoo.org/glsa/201405-21 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 This email address is being protected from spambots. You need JavaScript enabled to view it. 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. https://creativecommons.org/licenses/by-sa/2.5/ . Critical security flaw detected in Charybdis and ShadowIRCd on Gentoo; detailed upgrade steps provided.. Charybdis, ShadowIRCd, Denial Of Service, Gentoo Security. . LinuxSecurity.com Team

May 18, 2014 Gentoo