CVE-2017-18018

Published: Jan 4, 2018Modified: Jun 9, 2025

4.7

Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability: 1.0 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Gnu: Coreutils

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Gnu Coreutils	Up to 8.29

Related CWEs

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (2)

http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingThird Party Advisory

Timeline

No history available yet.