CVE-2018-16976 Explained : Impact and Mitigation
Learn about CVE-2018-16976 affecting Gitolite versions prior to 3.6.9. Find out how unauthorized access can occur during repository migration and steps to mitigate the vulnerability.
Gitolite versions prior to 3.6.9 have a vulnerability that can lead to unintended access to Git repositories during the migration process.
Understanding CVE-2018-16976
In specific scenarios involving @all or a regex, Gitolite fails to restrict access adequately during repository migration, potentially granting unauthorized access.
What is CVE-2018-16976?
Gitolite versions before 3.6.9 do not properly limit access to a Git repository being migrated, allowing valid users to gain unintended access.
The Impact of CVE-2018-16976
This vulnerability could result in unauthorized users accessing repositories during migration, compromising the security of the system.
Technical Details of CVE-2018-16976
Vulnerability Description
Gitolite fails to restrict access during repository migration, potentially leading to unauthorized access.
Affected Systems and Versions
- Gitolite versions prior to 3.6.9
Exploitation Mechanism
- Involves scenarios using @all or a regex during repository migration
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Gitolite to version 3.6.9 or newer
- Monitor repository access during migration
Long-Term Security Practices
- Regularly update Gitolite to the latest version
- Implement access controls and monitoring for repository activities
Patching and Updates
- Apply patches provided by Gitolite to address this vulnerability