CVE-2023-38508 : Security Advisory and Response
Learn about CVE-2023-38508 affecting Tuleap, allowing unauthorized preview of linked artifacts. Discover impacted versions and mitigation steps.
Tuleap allows preview of a linked artifact with a type that does not respect permissions.
Understanding CVE-2023-38508
This CVE identifies a security vulnerability in Tuleap, an open-source suite designed for enhancing software development and collaboration.
What is CVE-2023-38508?
Tuleap Community Edition versions prior to 14.11.99.28 and Tuleap Enterprise Edition versions prior to 14.10-6 and 14.11-3 are affected by a flaw that allows the preview of an artifact link without adhering to project, tracker, and artifact level permissions.
The Impact of CVE-2023-38508
Users may gain unauthorized access to certain information due to the improper permissions enforcement. This could lead to a breach of confidentiality, exposing sensitive data within Tuleap instances.
Technical Details of CVE-2023-38508
The vulnerability is categorized with a CVSS Base Score of 6.5, indicating a medium severity level.
Vulnerability Description
The issue lies in the preview of artifact links not abiding by permission settings, potentially exposing restricted data fields, such as title, status, assigned-to, and last update date.
Affected Systems and Versions
- Tuleap Community Edition < 14.11.99.28
- Tuleap Enterprise Edition < 14.10-6
- Tuleap Enterprise Edition >= 14.11, < 14.11-3
Exploitation Mechanism
Attackers can exploit this vulnerability to view sensitive information not intended for their access, undermining the confidentiality of the Tuleap platform.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of CVE-2023-38508.
Immediate Steps to Take
- Upgrade to Tuleap Community Edition 14.11.99.28 or higher, Tuleap Enterprise Edition 14.10-6, or Tuleap Enterprise Edition 14.11-3.
- Restrict access permissions to sensitive data fields.
- Monitor user activities for unauthorized access.
Long-Term Security Practices
- Regularly update Tuleap to the latest version to apply security patches.
- Conduct security trainings for users on data access best practices.
Patching and Updates
Ensure timely installation of patches and updates provided by Tuleap to fix the vulnerability.