vulnerability

Alma Linux: CVE-2020-13776: Moderate: systemd security, bug fix, and enhancement update (ALSA-2021-1611)

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Severity

CVSS

(AV:L/AC:H/Au:N/C:C/I:C/A:C)

Published

Jun 3, 2020

Added

May 4, 2022

Modified

Mar 31, 2026

Description

systemd through v245 mishandles numerical usernames such as ones composed of decimal digits or 0x followed by hex digits, as demonstrated by use of root privileges when privileges of the 0x0 user account were intended. NOTE: this issue exists because of an incomplete fix for CVE-2017-1000082.

Solutions

alma-upgrade-systemdalma-upgrade-systemd-containeralma-upgrade-systemd-develalma-upgrade-systemd-journal-remotealma-upgrade-systemd-libsalma-upgrade-systemd-pamalma-upgrade-systemd-testsalma-upgrade-systemd-udev

References

CVE-2020-13776
https://attackerkb.com/topics/CVE-2020-13776
CWE-269
EUVD-EUVD-2020-5993
https://errata.almalinux.org/8/ALSA-2021-1611.html
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-5993

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