GitLab EE Vulnerability: Bypassing IP Restriction for Unauthorized Access
CVE-2024-3127

4.3MEDIUM

Key Information:

Vendor

Gitlab
Status
Gitlab
Vendor
CVE Published:
22 August 2024

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-3127?

An issue has been discovered in GitLab EE affecting all versions starting from 12.5 before 17.1.6, all versions starting from 17.2 before 17.2.4, all versions starting from 17.3 before 17.3.1. Under certain conditions it may be possible to bypass the IP restriction for groups through GraphQL allowing unauthorised users to perform some actions at the group level.

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Deploy the Patch

Affected Version(s)

GitLab 12.5 < 17.1.6

GitLab 17.2 < 17.2.4

GitLab 17.3 < 17.3.1

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-2024-3127 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/452640
issue-trackingpermissions-required
https://hackerone.com/reports/2395169
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
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

Credit

Thanks [0x777](https://hackerone.com/0x777) for reporting this vulnerability through our HackerOne bug bounty program
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