CVE-2017-18188

MEDIUM

OpenRC opentmpfiles < 0.1.3 - Arbitrary File Ownership via Hard Link Attack

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Third Party Advisory x_refsource_misc
https://github.com/OpenRC/opentmpfiles/issues/3

Scores

CVSS v3 5.5
EPSS 0.0042
EPSS Percentile 33.2%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-59
Status published
Products (1)
openr/opentmpfiles < 0.1.3
Published Feb 14, 2018
Tracked Since Feb 18, 2026