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Off-by-one Error Affecting systemd-pam package, versions <0:239-68.el8_7.1

0.0
medium

Snyk CVSS

    Attack Complexity Low
    Availability High

    Threat Intelligence

    EPSS 0.04% (12th percentile)
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NVD
5.5 medium
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SUSE
5.5 medium
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Red Hat
5.5 medium

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  • Snyk ID SNYK-CENTOS8-SYSTEMDPAM-3097950
  • published 2 Nov 2022
  • disclosed 8 Jul 2022
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Introduced: 8 Jul 2022

CVE-2022-3821 Open this link in a new tab
CWE-193 Open this link in a new tab

How to fix?

Upgrade Centos:8 systemd-pam to version 0:239-68.el8_7.1 or higher.

NVD Description

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

An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.