CVE-2022-1944 : Exploit Details and Defense Strategies

A detailed overview of CVE-2022-1944 affecting GitLab with improper authorization in the Interactive Web Terminal, allowing users with Developer role to open terminals on other Developers' running jobs.

Understanding CVE-2022-1944

This section covers the impact, technical details, and mitigation strategies related to the CVE.

What is CVE-2022-1944?

CVE-2022-1944 is a vulnerability in GitLab that arises from improper authorization in the Interactive Web Terminal. It impacts versions from 11.3 to 15.0.1, enabling users with the Developer role to access terminals on other Developers' running jobs.

The Impact of CVE-2022-1944

The vulnerability poses a medium severity risk with a CVSS base score of 5.4. While it requires low privileges, it can result in high confidentiality impact, allowing unauthorized access to sensitive information.

Technical Details of CVE-2022-1944

This section delves into the specifics of the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability within GitLab's Interactive Web Terminal feature permits users with the Developer role to open terminals on jobs run by other Developers, leading to unauthorized access and potential data breaches.

Affected Systems and Versions

GitLab versions from 11.3 to 15.0.1 are affected by this vulnerability when the Interactive Web Terminal feature is enabled, potentially impacting users who have the Developer role assigned.

Exploitation Mechanism

Exploiting this vulnerability requires basic user interaction and is executed over the network with a high attack complexity. Although it demands low privileges, the confidentiality impact could be significant.

Mitigation and Prevention

In this section, we discuss immediate steps to mitigate the risk, long-term security practices, and the importance of applying relevant patches and updates.

Immediate Steps to Take

It is advised to disable the Interactive Web Terminal feature, review and adjust user permissions to restrict terminal access, and monitor for any unauthorized activities on GitLab.

Long-Term Security Practices

Implement a least privilege model, conduct regular security assessments and audits, provide security awareness training to users, and stay informed about security patches and updates from GitLab.

Patching and Updates

Ensure that GitLab is regularly updated to the latest secure versions, apply patches promptly, and follow best practices recommended by GitLab for secure usage and configuration.