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Gentoo: GLSA-201009-09 Normal: Fence Symlink Overwrite Risk

fence contains multiple programs containing vulnerabilites that may allow local users to overwrite arbitrary files via a symlink attack.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201009-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: fence: Multiple symlink vulnerabilites Date: September 29, 2010 Bugs: #240576 ID: 201009-09 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= fence contains multiple programs containing vulnerabilites that may allow local users to overwrite arbitrary files via a symlink attack. Background ========= fence is an I/O group fencing system. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 sys-cluster/fence < 2.03.09 Vulnerable! ------------------------------------------------------------------- NOTE: Certain packages are still vulnerable. Users should migrate to another package if one is available or wait for the existing packages to be marked stable by their architecture maintainers. Description ========== The fence_apc, fence_apc_snmp (CVE-2008-4579) and fence_manual (CVE-2008-4580) programs contain symlink vulnerabilites. Impact ===== These vulnerabilities may allow arbitrary files to be overwritten with root privileges. Workaround ========= There is no known workaround at this time. Resolution ========= Gentoo discontinued support for fence. All fence users should uninstall and choose another software that provides the same functionality. # emerge--unmerge sys-cluster/fence References ========= [ 1 ] CVE-2008-4579 https://www.cve.org/CVERecord?id=CVE-2008-4579 [ 2 ] CVE-2008-4580 https://www.cve.org/CVERecord?id=CVE-2008-4580 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201009-09 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 2010 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/ . The Gentoo Linux Security Advisory GLSA 201009-09 warns of normal severity vulnerabilities in the fence utility and symlink attacks, advising updates and patches. Gentoo Security, Fence Symlink Issues, I/O Group Security. . LinuxSecurity.com Team

Sep 29, 2010 Gentoo