CVE-2021-22233 : Security Advisory and Response

An information disclosure vulnerability in GitLab EE versions 13.10 and later allowed a user to read project details.

Understanding CVE-2021-22233

This CVE affects GitLab versions 13.10 to 14.0.2 and has a base score of 4.3 in CVSS 3.1.

What is CVE-2021-22233?

CVE-2021-22233 is an information disclosure vulnerability in GitLab that allows unauthorized users to access and read project details.

The Impact of CVE-2021-22233

With a base severity of MEDIUM, this vulnerability could lead to unauthorized access to sensitive project information, posing a risk to data confidentiality.

Technical Details of CVE-2021-22233

This section provides insights into the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability in GitLab EE versions 13.10 and above enables users to view project details without proper authorization, leading to information exposure risks.

Affected Systems and Versions

GitLab versions affected include >=13.10, <13.11.6, >=13.12, <13.12.6, and >=14.0, <14.0.2.

Exploitation Mechanism

Attackers can exploit this vulnerability over the network with low attack complexity, requiring minimal privileges and no user interaction.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-22233, users are advised to take immediate steps and implement long-term security practices.

Immediate Steps to Take

Immediately update GitLab instances to non-vulnerable versions. Monitor and restrict access to sensitive project information.

Long-Term Security Practices

Regularly update GitLab to the latest secure versions, conduct security audits, and educate users on data protection best practices.

Patching and Updates

Stay informed about security patches and updates released by GitLab. Promptly apply patches to ensure protection against known vulnerabilities.