CVE-2024-5257
📋 TL;DR
A privilege escalation vulnerability in GitLab allows Developer users with the 'admin_compliance_framework' custom role to modify group namespace URLs. This could enable unauthorized changes to group settings or facilitate phishing attacks. All GitLab CE/EE instances with affected versions are impacted.
💻 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 →⚠️ Risk & Real-World Impact
Worst Case
An attacker could redirect legitimate group URLs to malicious sites, enabling phishing campaigns or disrupting legitimate group access.
Likely Case
Unauthorized modification of group namespace URLs leading to confusion, broken links, or minor disruption.
If Mitigated
Minimal impact if proper role-based access controls and URL validation are enforced.
🎯 Exploit Status
Exploitation requires authenticated Developer access with specific custom role.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 17.0.4, 17.1.2
Vendor Advisory: https://gitlab.com/gitlab-org/gitlab/-/issues/463149
Restart Required: Yes
Instructions:
1. Backup GitLab instance. 2. Update to GitLab 17.0.4 or 17.1.2 using package manager. 3. Restart GitLab services. 4. Verify update with 'gitlab-rake gitlab:env:info'.
🔧 Temporary Workarounds
Remove custom role permissions
linuxTemporarily revoke 'admin_compliance_framework' custom role from Developer users.
sudo gitlab-rails runner "User.where(role: 'Developer').each { |u| u.update(custom_role_permissions: u.custom_role_permissions.reject { |p| p == 'admin_compliance_framework' }) }"
🧯 If You Can't Patch
- Review and restrict custom role assignments to minimize Developer privileges.
- Monitor logs for unauthorized URL modification attempts and implement alerting.
🔍 How to Verify
Check if Vulnerable:
Check GitLab version with 'sudo gitlab-rake gitlab:env:info' and verify if between 17.0-17.0.3 or 17.1-17.1.1.Check Version:
sudo gitlab-rake gitlab:env:info | grep 'GitLab version'Verify Fix Applied:
Confirm version is 17.0.4 or 17.1.2+ and test that Developers with custom role cannot modify group namespace URLs.📡 Detection & Monitoring
Log Indicators:
- Audit logs showing group namespace URL modifications by Developer users
- Unauthorized access attempts to compliance framework settings
Network Indicators:
- Unexpected redirects from GitLab group URLs
- Changes in group namespace patterns
SIEM Query:
source="gitlab" AND (event="group_namespace_update" OR action="modify_url") AND user_role="Developer"