- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200704-13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: File: Denial of Service Date: April 17, 2007 Bugs: #174217 ID: 200704-13 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability has been discovered in file allowing for a denial of service. Background ========== file is a utility that identifies a file format by scanning binary data for patterns. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-apps/file == 4.20 >= 4.20-r1 Description =========== Conor Edberg discovered an error in the way file processes a specific regular expression. Impact ====== A remote attacker could entice a user to open a specially crafted file, using excessive CPU ressources and possibly leading to a Denial of Service. Note that this vulnerability could be also triggered through an automatic file scanner like amavisd-new. Workaround ========== There is no known workaround at this time. Resolution ========== All file users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/file-4.20-r1" References ========== [ 1 ] CVE-2007-2026 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2026 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200704-13.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 2007 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