Zahlenüberlauf in WebP
ID: | 201312-08 |
Distribution: | Gentoo |
Plattformen: | Keine Angabe |
Datum: | Di, 10. Dezember 2013, 12:33 |
Referenzen: | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5127 |
Applikationen: | WebP |
Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --VlViaeTJer3Cnaf1tnKDiVPQAcgoqBP1C Content-Type: text/plain; charset=UTF- Content-Transfer-Encoding: quoted-printable - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201312-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: WebP: User-assisted execution of arbitrary code Date: December 10, 2013 Bugs: #442152 ID: 201312-08 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== An integer overflow vulnerability in WebP could lead to arbitrary code execution or Denial of Service. Background ========== WebP is a lossy image compression format. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-libs/libwebp < 0.2.1 >= 0.2.1 Description =========== An integer overflow flaw has been found in WebP. Impact ====== A remote attacker could entice a user to open a specially crafted image in an application linked against WebP, 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 WebP users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/libwebp-0.2.1" References ========== [ 1 ] CVE-2012-5127 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5127 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201312-08.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 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. http://creativecommons.org/licenses/by-sa/2.5 --VlViaeTJer3Cnaf1tnKDiVPQAcgoqBP1C Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJSptH5AAoJECo/aRed92678BUH/2zwdGzIHDYoQpJQE6Ntrwca ztEqwGPCbN/O7+pN6U2nbTd62UcJNEcCeEssPzRdZebH2nR7Dc49+vX7Yhow9zol 02nCq2b65qLdgm3SCdfohYgt/XpyYtamH0xSnCnOUhcKz7TViHMnvXeKqb61h3qR JIliwhKvs9siCOq5VsfuUjrH9bDaP2M4QXYHhE4Tx5yqBgCuC2NM6YveOQekf9TP qjr+Ksd/XLkp18UwUErTd4uNW13odNO7SKNbWCjJbPXTvP+VzDW1afKBzua6VXa/ 2wSlLWj8SL4IqZqCGInZrUFRAaS/gQ63TPIEjUrDTM6PPJF4SdQAvXAfGNqgUrQ= =5Q6t -----END PGP SIGNATURE----- --VlViaeTJer3Cnaf1tnKDiVPQAcgoqBP1C-- |