CVE-2018-19572 : Vulnerability Insights and Analysis
Learn about CVE-2018-19572 affecting GitLab CE and EE versions. Unauthorized access to files within GitLab Pages chroot environment was possible. Find out how to mitigate this vulnerability.
GitLab CE 8.17 and EE 8.3 versions and later are affected by a symlink time-of-check-to-time-of-use race condition vulnerability. Unauthorized access to files within the GitLab Pages chroot environment was possible. The issue has been resolved in versions 11.5.1, 11.4.8, and 11.3.11.
Understanding CVE-2018-19572
This CVE involves a vulnerability in GitLab versions that could allow unauthorized access to sensitive files.
What is CVE-2018-19572?
The vulnerability in GitLab CE and EE versions allowed unauthorized individuals to gain access to files within the GitLab Pages chroot environment due to a symlink time-of-check-to-time-of-use race condition.
The Impact of CVE-2018-19572
The vulnerability could potentially lead to unauthorized access to sensitive files within the GitLab Pages chroot environment, compromising the security and confidentiality of data.
Technical Details of CVE-2018-19572
GitLab CE 8.17 and EE 8.3 versions and later were affected by this vulnerability.
Vulnerability Description
The symlink time-of-check-to-time-of-use race condition vulnerability in GitLab allowed unauthorized access to files within the GitLab Pages chroot environment.
Affected Systems and Versions
- Versions affected: GitLab CE 8.17 and onwards, GitLab EE 8.3 and onwards
- Resolved in versions: 11.5.1, 11.4.8, and 11.3.11
Exploitation Mechanism
Unauthorized individuals could exploit this vulnerability to gain access to files within the GitLab Pages chroot environment.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the CVE-2018-19572 vulnerability.
Immediate Steps to Take
- Update GitLab to versions 11.5.1, 11.4.8, or 11.3.11 to mitigate the vulnerability.
- Monitor and restrict access to sensitive files and directories within GitLab.
Long-Term Security Practices
- Regularly update GitLab to the latest secure versions.
- Implement access controls and permissions to limit unauthorized access to sensitive files.
Patching and Updates
- Apply patches and updates provided by GitLab to ensure the security of the platform and prevent vulnerabilities.