Denial of Service Vulnerability in GitLab CE/EE
CVE-2024-12379

6.5MEDIUM

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
12 February 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A denial of service vulnerability exists in GitLab CE/EE that impacts all versions from 14.1 before 17.6.5, 17.7 before 17.7.4, and 17.8 before 17.8.2. This flaw allows an attacker to disrupt the availability of GitLab services by exploiting an unbounded symbol creation issue via the scopes parameter in a Personal Access Token. This vulnerability could hinder user access and overall functionality, making it critical for users to apply the necessary updates to maintain system integrity and performance.

Affected Version(s)

GitLab 14.1 < 17.6.5

GitLab 17.7 < 17.7.4

GitLab 17.8 < 17.8.2

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-2024-12379 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/508559
issue-trackingpermissions-required
https://hackerone.com/reports/2871791
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
6.5
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

Credit

Thanks [sim4n6](https://hackerone.com/sim4n6) for reporting this vulnerability through our HackerOne bug bounty program
.