- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201406-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: Mumble: Multiple vulnerabilities Date: June 06, 2014 Bugs: #500486, #510380 ID: 201406-06 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in Mumble, the worst of which could lead to arbitrary code execution. Background ========== Mumble is low-latency voice chat software intended for use with gaming. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-sound/mumble < 1.2.6 >= 1.2.6 Description =========== Multiple vulnerabilities have been discovered in Mumble: * A crafted length prefix value can trigger a heap-based buffer overflow or NULL pointer dereference in the opus_packet_get_samples_per_frame function (CVE-2014-0044) * A crafted packet can trigger an error in the opus_decode_float function, leading to a heap-based buffer overflow (CVE-2014-0045) * A crafted SVG referencing local files can lead to resource exhaustion or hangs (CVE-2014-3755) * Mumble does not properly escape HTML in some external strings before displaying them (CVE-2014-3756) Impact ====== A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition. Workaround ========== There is no known workaround at this time. Resolution ========== All Mumble users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=media-sound/mumble-1.2.6" References ========== [ 1 ] CVE-2014-0044 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0044 [ 2 ] CVE-2014-0045 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0045 [ 3 ] CVE-2014-3755 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3755 [ 4 ] CVE-2014-3756 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-3756 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201406-06.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