CVE-2023-26604 Affecting systemd-libs package, versions <0:239-74.0.4.el8_8.2



    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Mature
    EPSS 0.05% (16th percentile)
Expand this section
7.8 high
Expand this section
Red Hat
7.1 high

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  • published 21 Jul 2023
  • disclosed 3 Mar 2023

How to fix?

Upgrade Oracle:8 systemd-libs to version 0:239-74.0.4.el8_8.2 or higher.
This issue was patched in ELSA-2023-3837.

NVD Description

Note: Versions mentioned in the description apply only to the upstream systemd-libs package and not the systemd-libs package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

systemd before 247 does not adequately block local privilege escalation for some Sudo configurations, e.g., plausible sudoers files in which the "systemctl status" command may be executed. Specifically, systemd does not set LESSSECURE to 1, and thus other programs may be launched from the less program. This presents a substantial security risk when running systemctl from Sudo, because less executes as root when the terminal size is too small to show the complete systemctl output.