CVE-2023-3102 : Vulnerability Insights and Analysis

A sensitive information leak vulnerability has been identified in GitLab EE, impacting all versions from 16.0 to 16.0.6, and versions from 16.1 to 16.1.1. This vulnerability could allow unauthorized access to titles of private issues and merge requests.

Understanding CVE-2023-3102

This section delves into the details, impact, affected systems, and mitigation strategies related to CVE-2023-3102 in GitLab EE.

What is CVE-2023-3102?

CVE-2023-3102 is categorized as CWE-200: Exposure of Sensitive Information to an Unauthorized Actor. It allows an unauthorized actor to access private issue and merge request titles in GitLab EE versions 16.0 to 16.0.6 and 16.1 to 16.1.1.

The Impact of CVE-2023-3102

The vulnerability poses a medium risk with a CVSS base score of 5.3. While the confidentiality impact is low, it could potentially lead to the exposure of sensitive information to unauthorized parties, compromising data privacy.

Technical Details of CVE-2023-3102

Explore the technical aspects of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in GitLab EE exposes private issue and merge request titles to unauthorized actors, posing a risk to sensitive information confidentiality.

Affected Systems and Versions

GitLab EE versions from 16.0 to 16.0.6 and 16.1 to 16.1.1 are affected by CVE-2023-3102, making them susceptible to the unauthorized access of private information.

Exploitation Mechanism

Unauthorized actors can exploit this vulnerability in GitLab EE by leveraging the specific versions mentioned to gain access to private issue and merge request titles.

Mitigation and Prevention

Learn how to address and prevent CVE-2023-3102 to enhance the security posture of GitLab EE instances.

Immediate Steps to Take

Users are advised to upgrade their GitLab EE installations to versions 16.0.6, 16.1.1, or above to mitigate the vulnerability and prevent unauthorized access to sensitive information.

Long-Term Security Practices

Implement strong access controls, regular security audits, and employee training to bolster data protection measures and prevent similar vulnerabilities in the future.

Patching and Updates

Regularly monitor security advisories from GitLab and promptly apply patches and updates to address known vulnerabilities and enhance the security of GitLab EE installations.