Phusion Passenger before 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.
{ "binaries": [ { "binary_version": "4.0.37-2", "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" } ], "ubuntu_priority": "medium", "availability": "No subscription required" }