Access Restriction Bypass Affecting systemd/systemd package, versions [,208)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-UNMANAGED-SYSTEMDSYSTEMD-2365491
  • published26 Jan 2022
  • disclosed3 Oct 2013
  • creditUnknown

Introduced: 3 Oct 2013

CVE-2013-4327  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade systemd/systemd to version 208 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass systemd does not properly use D-Bus for communication with a polkit authority, which allows local users to bypass intended access restrictions by leveraging a PolkitUnixProcess PolkitSubject race condition via a (1) setuid process or (2) pkexec process, a related issue to CVE-2013-4288.

References

CVSS Scores

version 3.1