- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201405-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: JBIG-KIT: Denial of Service Date: May 18, 2014 Bugs: #507254 ID: 201405-20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A stack-based buffer overflow in JBIG-KIT might allow remote attackers to cause a Denial of Service. Background ========== JBIG-KIT is a software implementation of the JBIG1 data compression standard. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-libs/jbigkit < 2.1 >= 2.1 Description =========== JBIG-KIT contains a stack-based buffer overflow in the jbg_dec_in function in libjbig/jbig.c. Impact ====== A remote attacker could possibly cause a Denial of Service condition via a specially crafted image file. Workaround ========== There is no known workaround at this time. Resolution ========== All JBIG-KIT users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-libs/jbigkit-2.1" References ========== [ 1 ] CVE-2013-6369 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6369 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201405-20.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 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. http://creativecommons.org/licenses/by-sa/2.5