- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201311-18 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: Unbound: Denial of Service Date: November 28, 2013 Bugs: #395287 ID: 201311-18 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple Denial of Service vulnerabilities have been found in Unbound. Background ========== Unbound is a validating, recursive, and caching DNS resolver. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-dns/unbound < 1.4.13_p2 >= 1.4.13_p2 Description =========== Multiple vulnerabilities have been discovered in Unbound. Please review the CVE identifiers referenced below for details. Impact ====== A remote attacker could possibly cause a Denial of Service condition via a specially crafted response. Workaround ========== There is no known workaround at this time. Resolution ========== All Unbound users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-dns/unbound-1.4.13_p2" References ========== [ 1 ] CVE-2011-4528 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4528 [ 2 ] CVE-2011-4869 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4869 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201311-18.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