debian · CVE-2018-12027

Quick triage

Priority: unimportant Published: Updated: Fri, 03 Jul 2026 00:59:42 GMT

View at Official debian advisory, NVD, CVE.org · CVE detail

Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.

Tracker summary

CVE-2018-12027 unimportant priority: Debian including 1 source packages (passenger), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.

Description:

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.

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