CVE-2017-18018 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

4.7