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Message-ID: <200506270617.32076.jaervosz@gentoo.org> Date: Sun Jul 17 14:33:24 2005 From: jaervosz at gentoo.org (Sune Kloppenborg Jeppesen) Subject: [gentoo-announce] [ GLSA 200506-23 ] Clam AntiVirus: Denial of Service vulnerability - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 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@...too.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 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available Url : http://lists.grok.org.uk/pipermail/full-disclosure/attachments/20050717/44ecf9ca/attachment.bin
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