- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201209-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: SquidClamav: Denial of Service Date: September 24, 2012 Bugs: #428778 ID: 201209-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability in SquidClamav may result in Denial of Service. Background ========== SquidClamav is a HTTP anti-virus for Squid based on ClamAV and ICAP. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-proxy/squidclamav < 6.8 >= 6.8 Description =========== SquidClamav does not properly escape URLs before passing them to the system command call. Impact ====== A remote attacker could send a specially crafted URL to SquidClamav, possibly resulting in a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All SquidClamav users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-proxy/squidclamav-6.8" References ========== [ 1 ] CVE-2012-3501 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-3501 [ 2 ] SquidClamav News http://squidclamav.darold.net/news.html Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201209-08.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 https://bugs.gentoo.org. License ======= Copyright 2012 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