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[ GLSA 200901-11 ] Avahi: Denial of Service
From: Pierre-Yves Rofes <py () gentoo org>
Date: Thu, 15 Jan 2009 00:05:35 +0100
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200901-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Avahi: Denial of Service Date: January 14, 2009 Bugs: #250913 ID: 200901-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A Denial of Service vulnerability has been discovered in Avahi. Background ========== Avahi is a system that facilitates service discovery on a local network. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/avahi < 0.6.24 >= 0.6.24 Description =========== Hugo Dias reported a failed assertion in the originates_from_local_legacy_unicast_socket() function in avahi-core/server.c when processing mDNS packets with a source port of 0. Impact ====== A remote attacker could send specially crafted packets to the daemon, leading to its crash. Workaround ========== There is no known workaround at this time. Resolution ========== All Avahi users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/avahi-0.6.24" References ========== [ 1 ] CVE-2008-5081 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5081 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200901-11.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 http://bugs.gentoo.org. License ======= Copyright 2009 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
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- [ GLSA 200901-11 ] Avahi: Denial of Service Pierre-Yves Rofes (Jan 14)