Phusion Passenger gem before 3.0.21 and 4.0.x before 4.0.5 for Ruby allows local users to cause a denial of service (prevent application start) or gain privileges by pre-creating a temporary "config" file in a directory with a predictable name in /tmp/
before it is used by the gem.
{ "nvd_published_at": "2014-01-03T18:54:00Z", "cwe_ids": [ "CWE-377" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2020-06-16T21:29:24Z" }