Vulnerability Details CVE-2018-12027
An Insecure Permissions vulnerability in SpawningKit in Phusion Passenger 5.3.x before 5.3.2 causes information disclosure in the following situation: given a Passenger-spawned application process that reports that it listens on a certain Unix domain socket, if any of the parent directories of said socket are writable by a normal user that is not the application's user, then that non-application user can swap that directory with something else, resulting in traffic being redirected to a non-application user's process through an alternative Unix domain socket.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 51.9%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.5
References