CVE-2023-0921
Last modified
CVE-2023-0921 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 84.44% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 8.3.0, < 15.10.8 |
| Gitlab | Gitlab | >= 15.11.0, < 15.11.7 |
| Gitlab | Gitlab | >= 16.0.0, < 16.0.2 |
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/392433Issue Tracking, Vendor Advisory
- https://hackerone.com/reports/1869839Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/392433Issue Tracking, Vendor Advisory
- https://hackerone.com/reports/1869839Permissions Required, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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