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Gentoo: GLSA-201301-05 Normal: Bzip2 Integer Overflow Code Execution

An integer overflow vulnerability has been found in bzip2 and could result in execution of arbitrary code or Denial of Service.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201301-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: bzip2: User-assisted execution of arbitrary code Date: January 09, 2013 Bugs: #338215 ID: 201301-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= An integer overflow vulnerability has been found in bzip2 and could result in execution of arbitrary code or Denial of Service. Background ========= bzip2 is a high-quality data compressor used extensively by Gentoo Linux. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-arch/bzip2 < 1.0.6 > = 1.0.6 Description ========== An integer overflow vulnerability has been discovered in bzip2. Please review the CVE identifier referenced below for details. Impact ===== A remote attacker could entice a user to open a specially crafted compressed file using bzip2, possibly resulting in execution of arbitrary code with the privileges of the process, or a Denial of Service condition. Workaround ========= There is no known workaround at this time. Resolution ========= All bzip2 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =app-arch/bzip2-1.0.6" References ========= [ 1 ] CVE-2010-0405 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0405 Availability =========== This GLSA and any updates to it areavailable for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201301-05 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 This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at https://bugs.gentoo.org. License ====== Copyright 2013 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. https://creativecommons.org/licenses/by-sa/2.5/ . Gentoo: GLSA-202304-12 warns about the potential integer underflow in libpng that might cause denial of service or arbitrary code execution.. bzip2 integer overflow, Gentoo advisory, code execution risk, DoS impact. . LinuxSecurity.com Team

Jan 09, 2013 Gentoo