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Case File

CVE-2017-18188

MEDIUM · CVSS 5.5 EPSS 0.40% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-02-14 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2017-18188
Severity
MEDIUM
CVSS
5.5
EPSS
0.40%

Original Filing — NVD 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.