Improper Input Validation Affecting systemd package, versions *


low

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
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NVD
4.7 medium
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Red Hat
4.4 medium

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  • Snyk ID SNYK-DEBIAN9-SYSTEMD-305135
  • published 3 Jan 2019
  • disclosed 14 Jan 2019

How to fix?

There is no fixed version for Debian:9 systemd.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.