- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201611-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: polkit: Heap-corruption on duplicate IDs Date: November 15, 2016 Bugs: #555666 ID: 201611-07 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== polkit is vulnerable to local privilege escalation. Background ========== polkit is a toolkit for managing policies relating to unprivileged processes communicating with privileged processes. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-auth/polkit < 0.113 >= 0.113 Description =========== A vulnerability was discovered in polkit's polkit_backend_action_pool_init function due to duplicate action IDs in action descriptions. Impact ====== Local attackers are able to gain unauthorized privileges on the system. Workaround ========== There is no known workaround at this time. Resolution ========== All polkit users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=sys-auth/polkit-0.113" References ========== [ 1 ] CVE-2015-3255 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3255 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201611-07 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 2016 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