Inefficient Regular Expression Complexity in GitLab
CVE-2024-8124

7.5HIGH

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
12 September 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in GitLab Community Edition (CE) and Enterprise Edition (EE) across multiple versions, stemming from improper handling of specific POST requests. This vulnerability can lead to Denial of Service, potentially impacting system availability by resulting in unresponsive behavior. The affected versions must be addressed promptly to prevent exploitation and maintain system integrity. For technical details and potential exploit scenarios, refer to GitLab Issue #480533 and HackerOne Bug Bounty Report #2634880.

Affected Version(s)

GitLab 16.4 < 17.1.7

GitLab 17.2 < 17.2.5

GitLab 17.3 < 17.3.2

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-2024-8124 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/480533
issue-trackingpermissions-required
https://hackerone.com/reports/2634880
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

Credit

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