CVE-2024-6324: gitlab — Exploit & Fix

Description

An issue was discovered in GitLab CE/EE affecting all versions starting from 15.7 prior to 17.5.5, starting from 17.6 prior to 17.6.3, and starting from 17.7 prior to 17.7.1. It was possible to trigger a DoS by creating cyclic references between epics.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-407 CWE-407

Affected Products

Vendor	Product	Versions
gitlab	gitlab	15.7.0 — 17.5.5
gitlab	gitlab	15.7.0 — 17.5.5
gitlab	gitlab	17.6.0 — 17.6.3
gitlab	gitlab	17.6.0 — 17.6.3
gitlab	gitlab	17.7.0 — 17.7.1
gitlab	gitlab	17.7.0 — 17.7.1

References

Advisories & Patches

https://about.gitlab.com/releases/2025/01/08/patch-release-gitlab-17-7-1-released/#cyclic-reference-of-epics-leads-resource-exhaustion

Exploits

https://gitlab.com/gitlab-org/gitlab/-/issues/468914

Other References

https://hackerone.com/reports/2553716

Frequently Asked Questions

What is CVE-2024-6324? +

An issue was discovered in GitLab CE/EE affecting all versions starting from 15.7 prior to 17.5.5, starting from 17.6 prior to 17.6.3, and starting from 17.7 prior to 17.7.1. It was possible to trigger a DoS by creating cyclic references between epics. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-6324? +

CVE-2024-6324 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-6324? +

CVE-2024-6324 affects products from gitlab, specifically: gitlab. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-6324? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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