CVE-2021-30163 : Security Advisory and Response

A detailed analysis of CVE-2021-30163 focusing on the vulnerability in Redmine before version 4.0.8 and 4.1.x before 4.1.2 that exposes private project names to attackers.

Understanding CVE-2021-30163

This section delves into the critical aspects of the CVE, shedding light on the impact, technical details, and mitigation strategies.

What is CVE-2021-30163?

CVE-2021-30163 pertains to a security flaw in Redmine versions before 4.0.8 and 4.1.x before 4.1.2, where attackers can discern private project names via issue-journal details.

The Impact of CVE-2021-30163

The vulnerability facilitates the discovery of private project names, compromising the confidentiality and integrity of sensitive project information.

Technical Details of CVE-2021-30163

This section outlines the specific technicalities of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

Redmine before 4.0.8 and 4.1.x before 4.1.2 allows threat actors to unveil private project names if alterations to project_id values are present in issue-journal details.

Affected Systems and Versions

The security flaw impacts Redmine versions prior to 4.0.8 and 4.1.x before 4.1.2, making them susceptible to the revelation of private project names.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating issue-journal details containing changes to project_id values, enabling them to expose private project names.

Mitigation and Prevention

This section provides insights into the steps to mitigate the risks posed by CVE-2021-30163, emphasizing immediate actions and long-term security practices to enhance protection.

Immediate Steps to Take

Organizations are advised to update Redmine to versions 4.0.8 or 4.1.2 to patch the vulnerability and prevent unauthorized access to private project names.

Long-Term Security Practices

Implementing robust access controls, regular security audits, and employee awareness programs can fortify an organization's defenses against similar security lapses.

Patching and Updates

Staying vigilant about security updates and promptly applying patches released by Redmine is crucial to prevent exploitation of known vulnerabilities.