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/.
{ "binaries": [ { "binary_name": "libapache2-mod-passenger", "binary_version": "4.0.37-2" }, { "binary_name": "ruby-passenger", "binary_version": "4.0.37-2" }, { "binary_name": "ruby-passenger-doc", "binary_version": "4.0.37-2" } ], "availability": "No subscription required" }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-4136.json"