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[ GLSA 200506-23 ] Clam AntiVirus: Denial of Service vulnerability
From: Sune Kloppenborg Jeppesen <jaervosz () gentoo org>
Date: Mon, 27 Jun 2005 06:17:23 +0200
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200506-23 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Clam AntiVirus: Denial of Service vulnerability Date: June 27, 2005 Bugs: #96960 ID: 200506-23 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Clam AntiVirus is vulnerable to a Denial of Service attack when processing certain Quantum archives. Background ========== Clam AntiVirus is a GPL anti-virus toolkit, designed for integration with mail servers to perform attachment scanning. Clam AntiVirus also provides a command line scanner and a tool for fetching updates of the virus database. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-antivirus/clamav < 0.86.1 >= 0.86.1 Description =========== Andrew Toller and Stefan Kanthak discovered that a flaw in libmspack's Quantum archive decompressor renders Clam AntiVirus vulnerable to a Denial of Service attack. Impact ====== A remote attacker could exploit this vulnerability to cause a Denial of Service by sending a specially crafted Quantum archive to the server. Workaround ========== There is no known workaround at this time. Resolution ========== All Clam AntiVirus users should upgrade to the latest available version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.86.1" References ========== [ 1 ] Clam AntiVirus Release Notes http://sourceforge.net/project/shownotes.php?release_id=337279 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200506-23.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 2005 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/2.0
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- [ GLSA 200506-23 ] Clam AntiVirus: Denial of Service vulnerability Sune Kloppenborg Jeppesen (Jun 26)