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Gentoo Linux GLSA-201403-02: LibYAML Code Execution Risk

A Vulnerability in LibYAML could result in execution of arbitrary code.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201403-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: LibYAML: Arbitrary code execution Date: March 08, 2014 Bugs: #499920 ID: 201403-02 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A Vulnerability in LibYAML could result in execution of arbitrary code. Background ========= LibYAML is a YAML 1.1 parser and emitter written in C. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libyaml < 0.1.5 > = 0.1.5 Description ========== A heap-based buffer overflow flaw was found in the way libyaml parsed YAML tags. Impact ===== A remote attacker could provide a specially-crafted YAML document which when parsed by LibYAML, would cause the application to crash or, potentially, execute arbitrary code with the privileges the user who is running the application. Workaround ========= There is no known workaround at this time. Resolution ========= All LibYAML users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =dev-libs/libyaml-0.1.5" References ========= [ 1 ] CVE-2013-6393 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6393 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201403-02 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuringthe 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 2014 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/ . The Gentoo Security Advisory GLSA 202310-04 addresses vulnerabilities in LibYAML, which could lead to unauthorized code execution, prompting necessary user intervention.. Gentoo Security, LibYAML, Code Execution, Buffer Overflow, Security Advisory. . LinuxSecurity.com Team

Mar 08, 2014 Gentoo