Improper Privilege Management Affecting systemd-sysvinit package, versions <234-24.30.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-SLES150-SYSTEMDSYSVINIT-2751011
  • published14 Apr 2022
  • disclosed28 May 2019

Introduced: 28 May 2019

CVE-2019-3843  (opens in a new tab)
CWE-269  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 systemd-sysvinit to version 234-24.30.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd-sysvinit package and not the systemd-sysvinit package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the UID/GID will be recycled.

CVSS Scores

version 3.1