CVE-2017-18018
HIGHGNU Coreutils < 8.29 - Race Condition via Symlink Replacement during Recursive Ownership Change
Title source: llmDescription
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.
References (1)
Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html
Scores
CVSS v3
7.1
EPSS
0.0006
EPSS Percentile
17.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-362
Status
published
Products (1)
gnu/coreutils
< 8.29
Published
Jan 04, 2018
Tracked Since
Feb 18, 2026