CVE-2020-10083 : Security Advisory and Response
Learn about CVE-2020-10083 affecting GitLab versions 12.7-12.8.1. Discover the impact, technical details, and mitigation steps for this security vulnerability.
GitLab 12.7 through 12.8.1 has Insecure Permissions. Under certain conditions involving groups, project authorization changes were not being applied.
Understanding CVE-2020-10083
This CVE involves insecure permissions in GitLab versions 12.7 through 12.8.1, leading to authorization issues in specific group and project scenarios.
What is CVE-2020-10083?
CVE-2020-10083 highlights a security vulnerability in GitLab versions 12.7 through 12.8.1, where changes in project authorization related to groups may not take effect as expected.
The Impact of CVE-2020-10083
The vulnerability could potentially allow unauthorized access to certain project resources due to ineffective permission changes, compromising the security and integrity of the system.
Technical Details of CVE-2020-10083
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The issue arises from a failure to properly apply project authorization changes within GitLab instances running versions 12.7 through 12.8.1, particularly in scenarios involving groups.
Affected Systems and Versions
- Affected Versions: GitLab 12.7 through 12.8.1
- Systems: Instances of GitLab running the specified versions
Exploitation Mechanism
- Exploitation may occur when attempting to modify project authorization settings within affected versions, especially in group-related contexts.
Mitigation and Prevention
To address and prevent the CVE-2020-10083 vulnerability, consider the following steps:
Immediate Steps to Take
- Upgrade GitLab to a patched version beyond 12.8.1 to mitigate the insecure permissions issue.
- Review and adjust project authorization settings to ensure proper access controls.
Long-Term Security Practices
- Regularly monitor and audit project authorization changes to detect any anomalies.
- Educate users on proper permission management practices to prevent unauthorized access.
Patching and Updates
- Stay informed about security updates and patches released by GitLab to address vulnerabilities like CVE-2020-10083.