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Message-ID: <200501312041.56926.jaervosz@gentoo.org> From: jaervosz at gentoo.org (Sune Kloppenborg Jeppesen) Subject: [ GLSA 200501-46 ] ClamAV: Multiple issues - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200501-46 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: ClamAV: Multiple issues Date: January 31, 2005 Bugs: #78656, #79194 ID: 200501-46 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== ClamAV contains two vulnerabilities that could lead to Denial of Service and evasion of virus scanning. Background ========== ClamAV is an antivirus toolkit. It includes a multi-threaded daemon and a command line scanner. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-antivirus/clamav <= 0.80 >= 0.81 Description =========== ClamAV fails to properly scan ZIP files with special headers (CAN-2005-0133) and base64 encoded images in URLs. Impact ====== By sending a base64 encoded image file in a URL an attacker could evade virus scanning. By sending a specially-crafted ZIP file an attacker could cause a Denial of Service by crashing the clamd daemon. Workaround ========== There is no known workaround at this time. Resolution ========== All ClamAV users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.81" References ========== [ 1 ] CAN-2005-0133 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0133 [ 2 ] ClamAV Release Announcement http://sourceforge.net/forum/forum.php?forum_id=440649 [ 3 ] Secunia SA13900 http://secunia.com/advisories/13900/ Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200501-46.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/20050131/144a0dbf/attachment.bin
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