Improper Neutralization of Special Elements used in a Command ('Command Injection') in GitLab
CVE-2024-8640

8.8HIGH

Key Information:

Vendor
Gitlab
Status
Gitlab
Vendor
CVE Published:
12 September 2024

Badges

👾 Exploit Exists🟡 Public PoC

Summary

An issue has been identified within GitLab EE that affects various versions from 16.11 to 17.1.7, and from 17.2 to 17.2.5, as well as from 17.3 to 17.3.2. The vulnerability arises due to incomplete input filtering, which allows an attacker to inject malicious commands into a connected Cube server. This flaw potentially enables unauthorized execution of commands, which could lead to further exploitation or compromise of the affected system.

Affected Version(s)

GitLab 16.11 < 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-2024-8640 - Proof of Concept

References

https://gitlab.com/gitlab-org/gitlab/-/issues/486213
issue-trackingpermissions-required
https://hackerone.com/reports/2687770
technical-descriptionexploitpermissions-required

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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 [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program
.