Off-by-one Error Affecting systemd package, versions <204-5ubuntu20.31+esm2
Threat Intelligence
EPSS
0.06% (28th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1404-SYSTEMD-3098848
- published 3 Nov 2022
- disclosed 8 Nov 2022
Introduced: 3 Nov 2022
CVE-2022-3821 Open this link in a new tabHow to fix?
Upgrade Ubuntu:14.04 systemd to version 204-5ubuntu20.31+esm2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2022-3821
- https://github.com/systemd/systemd/issues/23928
- https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e
- https://github.com/systemd/systemd/pull/23933
- https://bugzilla.redhat.com/show_bug.cgi?id=2139327
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/
- https://security.gentoo.org/glsa/202305-15
- https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/
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