VULNERABILITY INTELLIGENCE

CVE-2017-18188

CVSS score5.5 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2018-02-14
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

OpenRC opentmpfiles through 0.1.3, when the fs.protected_hardlinks sysctl is turned off, allows local users to obtain ownership of arbitrary files by creating a hard link inside a directory on which "chown -R" will be run.

Weakness classification

  • CWE-59: Improper Link Resolution Before File Access ('Link Following')

Primary references