Improper Input Validation Affecting systemd-python package, versions <0:219-62.el7_6.11


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.24% (63rd percentile)

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  • Snyk ID SNYK-RHEL7-SYSTEMDPYTHON-4927904
  • published 26 Jul 2021
  • disclosed 26 Oct 2018

How to fix?

Upgrade RHEL:7 systemd-python to version 0:219-62.el7_6.11 or higher.
This issue was patched in RHSA-2019:3222.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd-python package and not the systemd-python package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.

CVSS Scores

version 3.1
Expand this section

NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High