- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201702-24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: LibVNCServer/LibVNCClient: Multiple vulnerabilities Date: February 20, 2017 Bugs: #605326 ID: 201702-24 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in LibVNCServer/LibVNCClient, the worst of which allows remote attackers to execute arbitrary code when connecting to a malicious server. Background ========== LibVNCServer/LibVNCClient are cross-platform C libraries that allow you to easily implement VNC server or client functionality in your program. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/libvncserver < 0.9.11 >= 0.9.11 Description =========== Multiple vulnerabilities have been discovered in LibVNCServer and LibVNCClient. Please review the CVE identifiers referenced below for details. Impact ====== A remote attacker could entice a user to connect to a malicious VNC server or leverage Man-in-the-Middle attacks to cause the execution of arbitrary code with the privileges of the user running a VNC client linked against LibVNCClient. Workaround ========== There is no known workaround at this time. Resolution ========== All LibVNCServer/LibVNCClient users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=net-libs/libvncserver-0.9.11" References ========== [ 1 ] CVE-2016-9941 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9941 [ 2 ] CVE-2016-9942 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9942 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201702-24 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 2017 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 --p3xOgEwJdubXnCqWbp0qkgvHjNsJOibEh--