CVE-2024-3958
📋 TL;DR
This vulnerability in GitLab allows attackers to exploit a discrepancy between the web interface and git CLI to trick users into cloning malicious repositories. It affects all GitLab CE/EE installations before specific patched versions. The attack relies on social engineering rather than technical exploitation.
💻 Affected Systems
- GitLab Community Edition
- GitLab Enterprise Edition
📦 What is this software?
Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →Gitlab by Gitlab
GitLab is a complete DevOps platform providing source code management, CI/CD pipelines, security scanning, container registry, and collaboration tools used by millions of developers and thousands of enterprises worldwide. As both a cloud-hosted SaaS offering (GitLab.com) and self-managed software, G...
Learn more about Gitlab →⚠️ Risk & Real-World Impact
Worst Case
Users could be tricked into cloning and executing malicious code from untrusted repositories, potentially leading to supply chain attacks, credential theft, or malware installation.
Likely Case
Attackers could trick developers into cloning repositories that appear legitimate but contain malicious code or configuration files.
If Mitigated
With proper user awareness training and verification practices, impact would be minimal as users would verify repository authenticity before cloning.
🎯 Exploit Status
Exploitation requires social engineering rather than technical complexity. Attackers need to create malicious repositories and trick users into cloning them.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 17.0.6, 17.1.4, or 17.2.2
Vendor Advisory: https://gitlab.com/gitlab-org/gitlab/-/issues/456988
Restart Required: Yes
Instructions:
1. Backup your GitLab instance. 2. Update to GitLab 17.0.6, 17.1.4, or 17.2.2 depending on your current version. 3. Restart GitLab services. 4. Verify the update was successful.
🔧 Temporary Workarounds
User Awareness Training
allEducate users to verify repository URLs and authenticity before cloning, especially when following links from untrusted sources.
Repository Verification Policy
allImplement policies requiring developers to verify repository ownership and integrity before cloning.
🧯 If You Can't Patch
- Implement strict policies requiring manual verification of all repository URLs before cloning
- Monitor for unusual cloning patterns or repositories with misleading names
🔍 How to Verify
Check if Vulnerable:
Check your GitLab version. If it's earlier than 17.0.6, 17.1.4, or 17.2.2 (depending on your major version), you are vulnerable.Check Version:
sudo gitlab-rake gitlab:env:info | grep 'GitLab version'Verify Fix Applied:
After updating, verify the version shows 17.0.6, 17.1.4, or 17.2.2 or later.📡 Detection & Monitoring
Log Indicators:
- Unusual cloning patterns from users
- Cloning of repositories with suspicious names or from unknown sources
Network Indicators:
- Git clone operations to repositories with misleading names or from untrusted domains
SIEM Query:
source="gitlab" AND (operation="git_clone" AND (repository_name="*trusted*" OR repository_name="*official*" OR repository_name="*malicious*"))