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CVE-2023-33968 : Security Advisory and Response

Discover the impact of CVE-2023-33968, a vulnerability in Kanboard software allowing unauthorized users to move and duplicate tasks. Learn how to mitigate and prevent this security issue.

This article provides an overview of CVE-2023-33968, a missing access control vulnerability in Kanboard that allows unauthorized users to move and duplicate tasks within the software.

Understanding CVE-2023-33968

Kanboard is open-source project management software that follows the Kanban methodology. The vulnerability exists in versions prior to 1.2.30, enabling users with low privileges to manipulate tasks across projects without proper authorization.

What is CVE-2023-33968?

The CVE-2023-33968 vulnerability in Kanboard refers to a missing access control flaw that permits unauthorized users to create, duplicate, or move tasks across projects within the software, circumventing proper permissions.

The Impact of CVE-2023-33968

The impact of CVE-2023-33968 is rated as medium severity, with a CVSS base score of 5.4. It allows low-privileged users to perform actions that should be restricted, compromising the integrity and confidentiality of project data.

Technical Details of CVE-2023-33968

The technical details of CVE-2023-33968 highlight the nature of the vulnerability, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability arises from a missing access control check in Kanboard, enabling unauthorized users to manipulate tasks using the features 'Duplicate to project' and 'Move to project' without appropriate permissions.

Affected Systems and Versions

The vulnerability affects Kanboard versions prior to 1.2.30. Users utilizing these versions are at risk of unauthorized task manipulation by low-privileged users.

Exploitation Mechanism

Unauthorized users with low privileges exploit the missing access control by utilizing the 'checkDestinationProjectValues()' function, allowing them to create or manipulate tasks across projects.

Mitigation and Prevention

Understanding how to mitigate and prevent vulnerabilities like CVE-2023-33968 is crucial to maintaining software security.

Immediate Steps to Take

Users are strongly advised to upgrade to Kanboard version 1.2.30 or later to mitigate the CVE-2023-33968 vulnerability. Upgrading ensures that unauthorized users can no longer move or duplicate tasks across projects.

Long-Term Security Practices

Implementing strict access control mechanisms, regular security audits, and user permission reviews can enhance long-term security and prevent similar vulnerabilities from being exploited.

Patching and Updates

Regularly applying security patches and updates provided by Kanboard is essential in safeguarding against known vulnerabilities and maintaining the integrity of project data.

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