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[ GLSA 201101-03 ] libvpx: User-assisted execution of arbitrary code
From: Tim Sammut <underling () gentoo org>
Date: Fri, 14 Jan 2011 18:21:54 -0800
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201101-03 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: libvpx: User-assisted execution of arbitrary code Date: January 15, 2011 Bugs: #345559 ID: 201101-03 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Timothy B. Terriberry discovered that libvpx contains an integer overflow vulnerability in the processing of video streams that may allow user-assisted execution of arbitrary code. Background ========== libvpx is the VP8 codec SDK used to encode and decode video streams, typically within a WebM format media file. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-libs/libvpx < 0.9.5 >= 0.9.5 Description =========== libvpx is vulnerable to an integer overflow vulnerability when processing crafted VP8 video streams. Impact ====== A remote attacker could entice a user to open a specially crafted media file, possibly resulting in the execution of arbitrary code with the privileges of the user running the application, or a Denial of Service. Workaround ========== There is no known workaround at this time. Resolution ========== All libvpx users should upgrade to the latest stable version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libvpx-0.9.5" Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying some of these packages. References ========== [ 1 ] CVE-2010-4203 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4203 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201101-03.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 https://bugs.gentoo.org. License ======= Copyright 2011 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 201101-03 ] libvpx: User-assisted execution of arbitrary code Tim Sammut (Jan 17)