CVE-2022-3821
Systemd Time Denial of Service Buffer Overrun
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.
INFO
Published Date :
Nov. 8, 2022, 10:15 p.m.
Last Modified :
Nov. 7, 2023, 3:51 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2022-3821 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2022-3821
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-3821.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2139327 | Issue Tracking Third Party Advisory |
| https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e | Patch Third Party Advisory |
| https://github.com/systemd/systemd/issues/23928 | Exploit Issue Tracking Third Party Advisory |
| https://github.com/systemd/systemd/pull/23933 | Patch 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
Dockerfile Roff Java
None
TypeScript
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-3821 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-3821 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/ [No types assigned] Removed Reference Red Hat, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/ -
CVE Modified by [email protected]
Jun. 29, 2023
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2023/06/msg00036.html [No Types Assigned] -
CVE Modified by [email protected]
May. 03, 2023
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202305-15 [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 02, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Nov. 20, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/ [No Types Assigned] -
Initial Analysis by [email protected]
Nov. 09, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2139327 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2139327 Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e No Types Assigned https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e Patch, Third Party Advisory Changed Reference Type https://github.com/systemd/systemd/issues/23928 No Types Assigned https://github.com/systemd/systemd/issues/23928 Exploit, Issue Tracking, Third Party Advisory Changed Reference Type https://github.com/systemd/systemd/pull/23933 No Types Assigned https://github.com/systemd/systemd/pull/23933 Patch, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* versions up to (including) 251 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-3821 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-3821
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.01%
score
0.32752
percentile