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Gentoo: GLSA-201406-30 High: Sudo Privilege Escalation Threat

A vulnerability has been found in sudo allowing a local attacker to gain elevated privileges.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201406-30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: sudo: Privilege escalation Date: June 27, 2014 Bugs: #503586 ID: 201406-30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= A vulnerability has been found in sudo allowing a local attacker to gain elevated privileges. Background ========= sudo allows a system administrator to give users the ability to run commands as other users. Access to commands may also be granted on a range to hosts. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-admin/sudo < 1.8.5 > = 1.8.5 < 1.6.9 Description ========== When the Sudo env_reset option is disabled (it is enabled by default), certain environment variables are not blacklisted as expected. Impact ===== A local attacker, authorized to run commands using sudo, can use this flaw to execute arbitrary code or escalate his privileges. Workaround ========= There is no known workaround at this time. Resolution ========= All sudo users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =app-admin/sudo-1.8.5" References ========= [ 1 ] CVE-2014-0106 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0106 Availability =========== This GLSA and any updates to it are available for viewing at theGentoo Security Website: https://security.gentoo.org/glsa/201406-30 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 This email address is being protected from spambots. You need JavaScript enabled to view it. 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. https://creativecommons.org/licenses/by-sa/2.5/ . A key security alert is out for Gentoo, highlighting a major vulnerability that enables local attackers to escalate privileges via sudo, risking unauthorized admin access. Gentoo Security Advisory,Sudo Escalation,Linux Privilege Escalation,Gentoo Vulnerability. . LinuxSecurity.com Team

Jun 27, 2014 Gentoo