CVE-2023-33946 Explained : Impact and Mitigation

A detailed overview of CVE-2023-33946 highlighting the vulnerability, its impact, technical details, and mitigation techniques.

Understanding CVE-2023-33946

In this section, we will explore the specifics of CVE-2023-33946.

What is CVE-2023-33946?

The Object module in Liferay Portal 7.4.3.4 through 7.4.3.48, and Liferay DXP 7.4 before update 49 fails to properly isolate objects in different virtual instances. This flaw permits remote authenticated users in one virtual instance to access objects in another virtual instance through the OAuth 2 scope administration page.

The Impact of CVE-2023-33946

The vulnerability poses a low severity risk with a CVSS base score of 2.7. It could allow attackers with high privileges to view objects across virtual instances, potentially leading to unauthorized access and data exposure.

Technical Details of CVE-2023-33946

This section delves deeper into the technical aspects of CVE-2023-33946.

Vulnerability Description

The issue lies in the improper isolation of objects, enabling unauthorized access between virtual instances in Liferay Portal and Liferay DXP versions mentioned.

Affected Systems and Versions

Product: Portal
Vendor: Liferay
Versions Affected: 7.4.3.4 to 7.4.3.48
Product: DXP
Vendor: Liferay
Versions Affected: 7.4 before update 49

Exploitation Mechanism

Remote authenticated users leveraging the OAuth 2 scope administration page can exploit this vulnerability to access objects in different virtual instances.

Mitigation and Prevention

Discover the strategies to mitigate the risks associated with CVE-2023-33946.

Immediate Steps to Take

Update affected Liferay Portal and DXP instances to the latest versions that contain security patches.
Limit user privileges within instances to minimize the impact of unauthorized access.

Long-Term Security Practices

Regularly monitor and audit user activities to track any unauthorized access attempts.
Educate users on secure OAuth 2 practices to prevent unintended data exposure.

Patching and Updates

Stay informed about security updates and promptly apply patches released by Liferay to address this vulnerability.