CVE-2021-22169 : Exploit Details and Defense Strategies

An overview of CVE-2021-22169 focusing on the impact, technical details, and mitigation steps.

Understanding CVE-2021-22169

In this section, we will delve into the details of CVE-2021-22169, affecting GitLab versions.

What is CVE-2021-22169?

CVE-2021-22169 is a vulnerability found in GitLab EE 13.4 or later versions that exposed internal IP addresses through error messages.

The Impact of CVE-2021-22169

The vulnerability's impact is rated as medium severity with a CVSS base score of 4.3. It has low confidentiality impact and low privileges required for exploitation.

Technical Details of CVE-2021-22169

Explore the specific technical aspects of CVE-2021-22169 to understand the vulnerability better.

Vulnerability Description

The vulnerability in GitLab versions >=13.4 and <13.7.2 leaked internal IP addresses via error messages, potentially exposing sensitive information.

Affected Systems and Versions

GitLab versions affected by this vulnerability include >=13.4, <13.5.6, >=13.6.0, <13.6.4, and >=13.7.0, <13.7.2.

Exploitation Mechanism

The vulnerability could be exploited remotely with low attack complexity, requiring no user interaction, and impacting system confidentiality.

Mitigation and Prevention

Learn how to address CVE-2021-22169 through immediate actions and long-term security practices.

Immediate Steps to Take

Immediately apply patches and updates provided by GitLab to mitigate the vulnerability and prevent IP exposure through error messages.

Long-Term Security Practices

Incorporate secure coding practices, regularly monitor for security updates, and conduct security assessments to enhance overall system security.

Patching and Updates

Regularly update GitLab instances to the latest versions that contain security patches to safeguard against known vulnerabilities.