Phusion Passenger 4.0.37 allows local users to write to certain files and directories via a symlink attack on (1) control_process.pid or a (2) generation-* file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-1831.Referenceshttp://openwall.com/lists/oss-security/2014/01/29/6https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=736958http://openwall.com/lists/oss-security/2014/01/30/3https://bugzilla.redhat.com/show_bug.cgi?id=1058992http://lists.fedoraproject.org/pipermail/package-announce/2015-February/149032.htmlhttps://github.com/phusion/passenger/commit/94428057c602da3d6d34ef75c78091066ecac5c0
