CVE-2023-33970 : What You Need to Know

Kanboard is open source project management software that focuses on the Kanban methodology. A vulnerability related to a

missing access control

was found, which allows a User with the lowest privileges to leak all the tasks and projects titles within the software, even if they are not invited or it's a personal project. This could also lead to private/critical information being leaked if such information is in the title. This issue has been addressed in version 1.2.30. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Understanding CVE-2023-33970

This CVE involves missing access control in the internal task links feature in Kanboard, potentially leading to unauthorized leakage of task and project titles.

What is CVE-2023-33970?

CVE-2023-33970 highlights a vulnerability in Kanboard that allows users with low privileges to access and view tasks and project titles without proper authorization, potentially compromising sensitive information.

The Impact of CVE-2023-33970

The impact of this vulnerability could result in the unauthorized disclosure of task and project titles, including private or critical information, to users with low privileges, posing a risk to data confidentiality.

Technical Details of CVE-2023-33970

This section provides a detailed overview of the vulnerability, including the description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability stems from missing access control in the internal task links feature in Kanboard, allowing users with low privileges to view all tasks and project titles.

Affected Systems and Versions

Kanboard versions prior to 1.2.30 are affected by this vulnerability, exposing them to the risk of unauthorized access to task and project titles.

Exploitation Mechanism

Exploiting this vulnerability involves leveraging the missing access control to view task and project titles without proper authorization, potentially leading to data leakage.

Mitigation and Prevention

In this section, we discuss immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are strongly advised to upgrade their Kanboard installations to version 1.2.30 or newer to address the vulnerability and prevent unauthorized access to task and project titles.

Long-Term Security Practices

To enhance security, users should implement proper access controls, regularly review permissions, and train personnel on data protection best practices.

Patching and Updates

Regularly monitor for security updates from Kanboard and promptly apply patches to address known vulnerabilities and strengthen the security of the software.