CVE-2021-22208 : Security Advisory and Response

An overview of CVE-2021-22208 affecting GitLab versions 13.5 up to 13.9.7, highlighting the improper permission check vulnerability that could allow unauthorized timestamp changes for issue creation or update.

Understanding CVE-2021-22208

This section delves into the details of the CVE-2021-22208 vulnerability in GitLab.

What is CVE-2021-22208?

CVE-2021-22208 is a security vulnerability found in GitLab versions starting from 13.5 up to 13.9.7. It stems from an improper permission check that could enable attackers to modify timestamps for issue creation or update.

The Impact of CVE-2021-22208

With a base severity rating of 'MEDIUM' and a CVSS base score of 4.3, this vulnerability poses a risk of unauthorized timestamp alterations within affected GitLab versions.

Technical Details of CVE-2021-22208

This section discusses the technical aspects of CVE-2021-22208 and how it affects systems and versions.

Vulnerability Description

The vulnerability involves a missing authorization check within GitLab, enabling unauthorized users to change timestamps for issue updates or creation.

Affected Systems and Versions

GitLab versions greater than or equal to 13.5, up to version 13.9.7 are impacted by this vulnerability.

Exploitation Mechanism

Attackers leveraging this vulnerability could bypass proper authorization controls and tamper with timestamps for issues in affected GitLab versions.

Mitigation and Prevention

Learn how to secure your systems against CVE-2021-22208.

Immediate Steps to Take

It is recommended to update GitLab to the patched version above 13.9.7 to mitigate the vulnerability.

Long-Term Security Practices

Implement robust authorization and permission controls to prevent unauthorized changes to timestamps and enhance overall security posture.

Patching and Updates

Regularly apply security patches and updates for GitLab to address known vulnerabilities and protect your systems.