CVE-2017-18018
4.7
MEDIUM
CVSS 3.1
EPSS 0.06%
Description
In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition.
How to fix CVE-2017-18018
To remediate CVE-2017-18018, upgrade the affected package to a fixed version below.
- Alpine/coreutils—upgrade to 8.30-r0 or later
- —no fix listed
Is CVE-2017-18018 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 8.30-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N |