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.
History

Mon, 09 Jun 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-01-04T04:00:00.000Z

Updated: 2025-06-09T15:57:37.581Z

Reserved: 2018-01-03T00:00:00.000Z

Link: CVE-2017-18018

cve-icon Vulnrichment

Updated: 2024-08-05T21:06:50.164Z

cve-icon NVD

Status : Modified

Published: 2018-01-04T04:29:00.190

Modified: 2025-06-09T16:15:27.250

Link: CVE-2017-18018

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-12-20T00:00:00Z

Links: CVE-2017-18018 - Bugzilla