CVE-2024-2434
📋 TL;DR
This CVE describes a path traversal vulnerability in GitLab that allows attackers to access restricted files and potentially cause denial of service. The vulnerability affects all GitLab Community Edition and Enterprise Edition installations running vulnerable versions. Attackers could read sensitive files they shouldn't have access to.
💻 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
Complete system compromise through reading sensitive configuration files, credentials, or source code, potentially leading to further attacks and data exfiltration.
Likely Case
Unauthorized reading of restricted files containing sensitive information, potentially exposing credentials, configuration details, or proprietary code.
If Mitigated
Limited impact with proper access controls and monitoring, though the vulnerability still exists in the codebase.
🎯 Exploit Status
Exploitation requires some knowledge of GitLab's file structure and path traversal techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 16.9.6, 16.10.4, or 16.11.1
Vendor Advisory: https://gitlab.com/gitlab-org/gitlab/-/issues/450303
Restart Required: Yes
Instructions:
1. Backup your GitLab instance. 2. Update to GitLab 16.9.6, 16.10.4, or 16.11.1 depending on your current version. 3. Restart GitLab services. 4. Verify the update was successful.
🔧 Temporary Workarounds
Restrict network access
allLimit access to GitLab instance to trusted networks only
Implement WAF rules
allAdd web application firewall rules to detect and block path traversal attempts
🧯 If You Can't Patch
- Implement strict network segmentation and limit GitLab access to authorized users only
- Enable enhanced logging and monitoring for file access patterns and path traversal attempts
🔍 How to Verify
Check if Vulnerable:
Check GitLab version via admin panel or run: sudo gitlab-rake gitlab:env:info | grep 'GitLab version'Check Version:
sudo gitlab-rake gitlab:env:info | grep 'GitLab version'Verify Fix Applied:
Verify version is 16.9.6, 16.10.4, or 16.11.1 or higher📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns
- Requests with '../' sequences
- Access to restricted file paths
Network Indicators:
- Multiple failed file access attempts
- Requests to unusual file paths
SIEM Query:
source="gitlab" AND (path="*../*" OR uri="*../*")