Denial of Service Vulnerability in GitLab CE/EE by GitLab
CVE-2024-6324

4.3MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
9 January 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A Denial of Service vulnerability was identified in GitLab CE/EE that could allow attackers to create cyclic references between epics, leading to resource exhaustion and potential service disruption. This issue affects all versions from 15.7 to 17.5.5, 17.6 from its release to 17.6.3, and 17.7 up until 17.7.1. Properly handling of epics is crucial to prevent this vulnerability from being exploited.

Affected Version(s)

GitLab 17.7 < 17.7.1

GitLab 17.6 < 17.6.3

GitLab 15.7 < 17.5.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-6324 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/468914
issue-trackingpermissions-required
https://about.gitlab.com/releases/2025/01/08/patch-releas...
https://hackerone.com/reports/2553716
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database1 Proof of Concept(s)

Credit

Thanks [xorz](https://hackerone.com/xorz) for reporting this vulnerability through our HackerOne bug bounty program
.