Systemd time-util.c format_timespan denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Systemd and classified as problematic. This affects the function format_timespan of the file time-util.c. The manipulation results in denial of service. This vulnerability is known as CVE-2022-3821. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in Systemd (the affected version is unknown). Affected is the function format_timespan of the file time-util.c. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

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.

The weakness was published 11/09/2022 as 23928. The advisory is available at bugzilla.redhat.com. This vulnerability is traded as CVE-2022-3821 since 11/02/2022. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2022-43162). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

11/02/2022 🔍
11/09/2022 +7 days 🔍
11/09/2022 +0 days 🔍
07/20/2026 +1349 days 🔍

Sourcesinfo

Product: github.com

Advisory: 23928
Status: Confirmed

CVE: CVE-2022-3821 (🔍)
GCVE (CVE): GCVE-0-2022-3821
GCVE (VulDB): GCVE-100-213210
EUVD: 🔍

Entryinfo

Created: 11/09/2022 08:10
Updated: 07/20/2026 23:04
Changes: 11/09/2022 08:10 (40), 07/20/2026 23:04 (15)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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