CVE-2017-18018: In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file

Brocade Fabric OS

2 more products

21245

13 September 2022

13 September 2022

Closed

Low

Base Score: 4.7 - MEDIUM -CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

N/A

CVE-2017-18018

Summary

Security Advisory ID : BSA-2022-2073

Component : GNU Coreutils

Revision : 1.0

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 Products

  • All versions of Brocade Fabric OS before v9.1.0

Products under investigation

  • Brocade Active Support Connectivity Gateway (ASC-G)

Products Confirmed Not Vulnerable

No other Brocade Fibre Channel Products from Broadcom products are known to be affected by this vulnerability.

Solution

Security update provided in Brocade Fabric OS v9.1.0 and later releases.

Revision History

Version

Change

Date

1.0

Initial Publication

Sept 13, 2022