CVE-2023-0921: Allocation of Resources Without Limits or Throttling in GitLab
First published: Tue Jun 06 2023(Updated: )
A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.
Credit: cve@gitlab.com cve@gitlab.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GitLab | >=8.3.0<15.10.8 | |
| GitLab | >=8.3.0<15.10.8 | |
| GitLab | >=15.11.0<15.11.7 | |
| GitLab | >=15.11.0<15.11.7 | |
| GitLab | >=16.0.0<16.0.2 | |
| GitLab | >=16.0.0<16.0.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2023-0921?
CVE-2023-0921 is a moderate severity vulnerability due to its ability to impact CPU usage.
How do I fix CVE-2023-0921?
To fix CVE-2023-0921, upgrade GitLab to version 15.10.8 or later, 15.11.7 or later, or 16.0.2 or later.
Who is affected by CVE-2023-0921?
CVE-2023-0921 affects all versions of GitLab CE/EE from 8.3 to prior versions mentioned.
What type of attack is associated with CVE-2023-0921?
CVE-2023-0921 allows authenticated attackers to create large issue descriptions via GraphQL.
What are the potential impacts of CVE-2023-0921?
The potential impact of CVE-2023-0921 includes excessive CPU usage due to repeated requests for large issue descriptions.
- agent/type
- agent/references
- agent/description
- agent/severity
- agent/event
- agent/first-publish-date
- agent/weakness
- agent/title
- agent/author
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- vendor/gitlab
- canonical/gitlab
- version/gitlab/8.3.0
- version/gitlab/15.11.0
- version/gitlab/16.0.0