{"id":"UBUNTU-CVE-2013-4136","details":"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with a predictable name in /tmp/.","modified":"2025-07-16T07:17:08.227716Z","published":"2013-09-30T21:55:00Z","withdrawn":"2025-07-18T16:42:54Z","upstream":["CVE-2013-4136"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2013-4136"},{"type":"REPORT","url":"http://openwall.com/lists/oss-security/2013/07/15/2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2013-4136"}],"affected":[{"package":{"name":"ruby-passenger","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/ruby-passenger@4.0.37-2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.37-2"}]}],"versions":["3.0.13debian-1.2","4.0.25-1","4.0.35-1"],"ecosystem_specific":{"availability":"No subscription required","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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2013/UBUNTU-CVE-2013-4136.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"medium"}]}