- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200603-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: GNU tar: Buffer overflow Date: March 10, 2006 Bugs: #123038 ID: 200603-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A malicious tar archive could trigger a Buffer overflow in GNU tar, potentially resulting in the execution of arbitrary code. Background ========== GNU tar is the standard GNU utility for creating and manipulating tar archives, a common format used for creating backups and distributing files on UNIX-like systems. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/tar < 1.15.1-r1 >= 1.15.1-r1 Description =========== Jim Meyering discovered a flaw in the handling of certain header fields that could result in a buffer overflow when extracting or listing the contents of an archive. Impact ====== A remote attacker could construct a malicious tar archive that could potentially execute arbitrary code with the privileges 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-1.15.1-r1" References ========== [ 1 ] CVE-2006-0300 http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0300 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200603-06.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@xxxxxxxxxx or alternatively, you may file a bug at http://bugs.gentoo.org. License ======= Copyright 2006 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
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