CVE-2021-22187 : Vulnerability Insights and Analysis

An issue has been discovered in GitLab that affects versions before 13.6.7, leading to a potential resource exhaustion problem that allows jobs to run even after the project is deleted.

Understanding CVE-2021-22187

This vulnerability in GitLab has a CVSS base score of 4.3, indicating a medium severity issue.

What is CVE-2021-22187?

CVE-2021-22187 is a vulnerability in GitLab versions prior to 13.6.7 that could result in resource exhaustion, enabling jobs to continue even after a project deletion.

The Impact of CVE-2021-22187

The impact of this vulnerability is considered medium with low attack complexity and vector, affecting availability but not confidentiality or integrity.

Technical Details of CVE-2021-22187

This section provides detailed technical information about CVE-2021-22187.

Vulnerability Description

The vulnerability allows uncontrolled resource consumption in GitLab, potentially leading to jobs persistence after project deletion.

Affected Systems and Versions

GitLab versions <13.6.7, >=13.7 and <13.7.7, >=13.8 and <13.8.4 are affected by this vulnerability.

Exploitation Mechanism

By exploiting this issue, attackers could exhaust resources and maintain job execution even after the related project is deleted.

Mitigation and Prevention

To address CVE-2021-22187, immediate and long-term security measures should be implemented.

Immediate Steps to Take

It is recommended to update GitLab to a version that includes the necessary security patches to mitigate this vulnerability.

Long-Term Security Practices

Enhance monitoring and resource usage controls within GitLab environments to prevent resource exhaustion vulnerabilities.

Patching and Updates

Regularly apply security updates and patches provided by GitLab to address known vulnerabilities and enhance system security.