CVE-2023-3424

HIGH severity · CVSS 7.5 · CWE-1333

7.5CVSS HIGH

Summary

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactNone

Integrity impactNone

Availability impactHigh

Exploit probability (EPSS)1%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

GitLab

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
https://gitlab.com/gitlab-org/gitlab/-/issues/409802Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/409802Advisory
https://hackerone.com/reports/1960970Advisory
https://hackerone.com/reports/1960970Advisory