CVEvulnerability

CVE-2018-12027

8.8 HIGH Published 2018-06-17 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2018-06-17
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
8.8 HIGH — CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
CWE-200, CWE-732

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.

Affected configurations

• phusion passenger (>= 5.3.0 < 5.3.2)

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource weakness

References