CVE-2024-8114
📋 TL;DR
This vulnerability allows attackers with access to a victim's Personal Access Token (PAT) to escalate privileges in GitLab instances. It affects all GitLab CE/EE deployments running vulnerable versions. Attackers can gain higher-level access than originally granted by the compromised token.
💻 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
Full administrative control of the GitLab instance, allowing data exfiltration, code manipulation, user account compromise, and complete system takeover.
Likely Case
Unauthorized access to sensitive repositories, user data, and CI/CD pipelines, potentially leading to intellectual property theft or supply chain attacks.
If Mitigated
Limited impact if PATs are properly scoped with minimal permissions and regularly rotated, though privilege escalation would still be possible with any valid PAT.
🎯 Exploit Status
Exploitation requires a valid PAT, which can be obtained through phishing, credential theft, or other means. The privilege escalation mechanism is straightforward once a PAT is compromised.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 17.4.5, 17.5.3, 17.6.1
Vendor Advisory: https://gitlab.com/gitlab-org/gitlab/-/issues/480494
Restart Required: Yes
Instructions:
1. Backup your GitLab instance. 2. Update to GitLab 17.4.5, 17.5.3, or 17.6.1 depending on your current version. 3. Restart GitLab services. 4. Verify the update was successful.
🔧 Temporary Workarounds
Revoke and Rotate PATs
allImmediately revoke all existing Personal Access Tokens and require users to create new ones with minimal necessary permissions.
Admin users can revoke PATs via GitLab UI: Admin Area > Users > Select user > Access Tokens > Revoke
Restrict PAT Permissions
allEnforce least privilege by limiting PAT scopes to only necessary permissions.
🧯 If You Can't Patch
- Implement network segmentation to isolate GitLab instances from critical systems
- Enable enhanced monitoring for unusual PAT usage patterns and privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check GitLab version via Admin Area > Dashboard 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:
Confirm version is 17.4.5, 17.5.3, or 17.6.1 or higher. Test that PATs cannot escalate beyond their assigned permissions.📡 Detection & Monitoring
Log Indicators:
- Unusual PAT authentication patterns
- User privilege changes without admin action
- Access to resources beyond PAT scope
Network Indicators:
- Increased API calls from single PAT
- Access to admin endpoints from non-admin tokens
SIEM Query:
source="gitlab" AND (event_type="user_privilege_change" OR (auth_method="PAT" AND resource_access="elevated"))