CVE-2013-4136 Information

Description

ext/common/ServerInstanceDir.h in Phusion Passenger gem before 4.0.6 for Ruby allows local users to gain privileges or possibly change the ownership of arbitrary directories via a symlink attack on a directory with a predictable name in /tmp/.

Reference

http://rhn.redhat.com/errata/RHSA-2013-1136.html http://www.openwall.com/lists/oss-security/2013/07/16/6 https://code.google.com/p/phusion-passenger/issues/detail?id=910 https://github.com/phusion/passenger/blob/release-4.0.6/NEWS https://github.com/phusion/passenger/commit/5483b3292cc2af1c83033eaaadec20dba4dcfd9b