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.
{
"github_reviewed": true,
"nvd_published_at": "2014-01-03T18:54:00Z",
"severity": "MODERATE",
"github_reviewed_at": "2020-06-16T21:29:24Z",
"cwe_ids": [
"CWE-377"
]
}