CVE-2022-42113 : Security Advisory and Response

A Cross-site scripting (XSS) vulnerability in Document Library module in Liferay Portal 7.4.3.30 through 7.4.3.36, and Liferay DXP 7.4 update 30 through update 36 allows remote attackers to inject arbitrary web script or HTML via the

redirect

parameter.

Understanding CVE-2022-42113

This section will provide an overview of the CVE-2022-42113 vulnerability and its impact on systems.

What is CVE-2022-42113?

CVE-2022-42113 is a Cross-site scripting (XSS) vulnerability found in the Document Library module in Liferay Portal versions 7.4.3.30 through 7.4.3.36, and Liferay DXP 7.4 update 30 through update 36. It allows malicious remote attackers to inject and execute arbitrary web scripts or HTML by exploiting the

redirect

parameter.

The Impact of CVE-2022-42113

This vulnerability can be exploited by remote attackers to perform XSS attacks, potentially leading to unauthorized access, data theft, or unauthorized actions on the affected system.

Technical Details of CVE-2022-42113

In this section, we will delve into the technical aspects of CVE-2022-42113.

Vulnerability Description

The vulnerability arises due to improper validation of user-supplied input in the

redirect

parameter, which can be abused to inject malicious scripts into web pages.

Affected Systems and Versions

Liferay Portal versions 7.4.3.30 through 7.4.3.36, and Liferay DXP 7.4 update 30 through update 36 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious URLs containing the

redirect

parameter with injected scripts, tricking unsuspecting users into executing the malicious code.

Mitigation and Prevention

To safeguard systems from CVE-2022-42113, immediate actions and long-term security practices need to be implemented.

Immediate Steps to Take

Organizations using the affected versions should apply patches provided by Liferay to address the vulnerability.
Implement strict input validation mechanisms to sanitize user inputs effectively.

Long-Term Security Practices

Regular security assessments and penetration testing can help in identifying and addressing such vulnerabilities proactively.
Educate users about safe browsing practices and the risks associated with clicking on suspicious links.

Patching and Updates

Stay informed about security updates and patches released by Liferay for the affected versions to ensure systems are protected against potential exploits.