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[ GLSA 200709-09 ] GNU Tar: Directory traversal vulnerability
From: Raphael Marichez <falco () gentoo org>
Date: Sun, 16 Sep 2007 00:21:35 +0200
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200709-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: GNU Tar: Directory traversal vulnerability Date: September 15, 2007 Bugs: #189682 ID: 200709-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A directory traversal vulnerability has been discovered in GNU Tar. Background ========== The GNU Tar program provides the ability to create tar archives, as well as various other kinds of manipulation. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/tar < 1.18-r2 >= 1.18-r2 Description =========== Dmitry V. Levin discovered a directory traversal vulnerability in the contains_dot_dot() function in file src/names.c. Impact ====== By enticing a user to extract a specially crafted tar archive, a remote attacker could extract files to arbitrary locations outside of the specified directory with the permissions of the user running GNU Tar. Workaround ========== There is no known workaround at this time. Resolution ========== All GNU Tar users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/tar-1.18-r2" References ========== [ 1 ] CVE-2007-4131 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4131 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200709-09.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
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- [ GLSA 200709-09 ] GNU Tar: Directory traversal vulnerability Raphael Marichez (Sep 15)