VulnerabilityModified
CVE-2022-3821
An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.
MEDIUM 5.5EPSS 0.42%
Does this matter?
Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.42% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-193
- Affected
- systemd project/systemd · redhat/enterprise linux · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2139327Issue Tracking, Third Party Advisory
- https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4ePatch, Third Party Advisory
- https://github.com/systemd/systemd/issues/23928Exploit, Issue Tracking, Third Party Advisory
- https://github.com/systemd/systemd/pull/23933Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/
- https://security.gentoo.org/glsa/202305-15
- https://bugzilla.redhat.com/show_bug.cgi?id=2139327Issue Tracking, Third Party Advisory
- https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4ePatch, Third Party Advisory
- https://github.com/systemd/systemd/issues/23928Exploit, Issue Tracking, Third Party Advisory
- https://github.com/systemd/systemd/pull/23933Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/
- https://security.gentoo.org/glsa/202305-15
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.