CVE-2023-33948 : Security Advisory and Response

This article provides detailed information about CVE-2023-33948, a vulnerability affecting Liferay Portal and Liferay DXP.

Understanding CVE-2023-33948

This section delves into what CVE-2023-33948 entails and its implications.

What is CVE-2023-33948?

The Dynamic Data Mapping module in Liferay Portal 7.4.3.67 and Liferay DXP 7.4 update 67 fails to restrict the download of Document and Media files from a Form. This allows malicious actors to download any file from Document and Media using a specially crafted URL.

The Impact of CVE-2023-33948

The vulnerability poses a medium risk with a CVSS base score of 5.3, allowing remote attackers to access sensitive files.

Technical Details of CVE-2023-33948

In this section, we explore the technical aspects of the vulnerability.

Vulnerability Description

The flaw arises from the lack of proper restrictions on downloading Document and Media files, enabling unauthorized access to files.

Affected Systems and Versions

Liferay Portal 7.4.3.67 and Liferay DXP 7.4 update 67 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending a specifically crafted URL to download files from Document and Media.

Mitigation and Prevention

This section outlines steps to mitigate the risk of CVE-2023-33948.

Immediate Steps to Take

Users are advised to update Liferay Portal and Liferay DXP to the latest versions and apply patches provided by Liferay.

Long-Term Security Practices

Implementing proper access controls and regularly monitoring system logs can help prevent unauthorized access to sensitive files.

Patching and Updates

Regularly check for security advisories and updates from Liferay to address known vulnerabilities.