CVE-2023-3424

Inefficient Regular Expression Complexity in GitLab

State: Published
Severity: 7.5 High
Published: Jul 13, 2023
Updated: Oct 30, 2024
Reserved: Jun 27, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitLab

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity

Affected Products

Product	Versions
GitLabGitLab	10.3 to before 15.11.10Affected 16.0 to before 16.0.6Affected 16.1 to before 16.1.1Affected

References

GitLab Issue #409802issue-tracking
HackerOne Bug Bounty Report #1960970technical-descriptionexploit

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