CVE-2020-10976 Explained : Impact and Mitigation

GitLab EE/CE 8.17 to 12.9 is vulnerable to information leakage when querying a merge request widget.

Understanding CVE-2020-10976

GitLab EE/CE 8.17 to 12.9 is susceptible to information disclosure during the querying of a merge request widget.

What is CVE-2020-10976?

This CVE identifies a vulnerability in GitLab EE/CE versions 8.17 to 12.9 that allows for information leakage when interacting with a merge request widget.

The Impact of CVE-2020-10976

The vulnerability can lead to unauthorized access to sensitive information, potentially compromising the confidentiality of data within GitLab instances.

Technical Details of CVE-2020-10976

GitLab EE/CE 8.17 to 12.9 is affected by an information leakage vulnerability when using the merge request widget.

Vulnerability Description

The issue allows attackers to access information that should be restricted, leading to potential data exposure.

Affected Systems and Versions

GitLab EE/CE versions 8.17 to 12.9

Exploitation Mechanism

Attackers can exploit this vulnerability by querying the merge request widget to gain unauthorized access to sensitive information.

Mitigation and Prevention

To address CVE-2020-10976, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Upgrade GitLab EE/CE to a non-vulnerable version.
Monitor and restrict access to sensitive information.

Long-Term Security Practices

Regularly update GitLab to the latest secure versions.
Implement access controls and permissions to limit data exposure.
Conduct security assessments and audits to identify and mitigate vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by GitLab to address known vulnerabilities.