Gentoo Linux Security Advisory 201009-9 – fence contains multiple programs containing vulnerabilities that may allow local users to overwrite arbitrary files via a symlink attack. The fence_apc, fence_apc_snmp (CVE-2008-4579) and fence_manual (CVE-2008-4580) programs contain symlink vulnerabilities. Versions less than 2.03.09 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/94379/glsa-201009-09.txt
Source: https://packetstormsecurity.com/files/94379/Gentoo-Linux-Security-Advisory-201009-9.html