Race Condition

Affecting coreutils package, versions *

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Overview

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

CVSS Score

4.7
low severity
  • Attack Vector
    Local
  • Attack Complexity
    High
  • Privileges Required
    Low
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    High
  • Availability
    None
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
CVE
CVE-2017-18018
CWE
CWE-362
Snyk ID
SNYK-DEBIAN9-COREUTILS-317493
Disclosed
04 Jan, 2018
Published
04 Jan, 2018