CVE-2017-18018 — Vulnetix

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CVE-2017-18018 PUBLISHED

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.

EPSS 0.06% · 17.8th percentile

Risk Scores

EPSS Score

0.06%

17.8th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:18.04:LTS	coreutils	0, 8.26-3ubuntu4, 8.28-1ubuntu1
Ubuntu:16.04:LTS	coreutils	0, 8.25-2ubuntu3~16.04, 8.23-4ubuntu2
Ubuntu:14.04:LTS	coreutils	0, 8.21-1ubuntu5.4, 8.20-3ubuntu5

Timeline

Jan 4, 2018 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Aug 31, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2017-18018 third-party-advisory
http://lists.gnu.org/archive/html/coreutils/2017-12/msg00045.html third-party-advisory
http://www.openwall.com/lists/oss-security/2018/01/04/3 third-party-advisory
https://lists.gnu.org/archive/html/coreutils/2017-12/msg00072.html third-party-advisory
https://lists.gnu.org/archive/html/coreutils/2017-12/msg00073.html third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2017-18018 third-party-advisory

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