CVE-2022-42129 : Exploit Details and Defense Strategies

A critical Insecure Direct Object Reference (IDOR) vulnerability has been identified in the Dynamic Data Mapping module in Liferay Portal versions 7.3.2 through 7.4.3.4, as well as Liferay DXP 7.3 prior to update 4, and 7.4 GA. This security flaw enables remote authenticated users to view and access form entries by exploiting the

formInstanceRecordId

parameter.

Understanding CVE-2022-42129

What is CVE-2022-42129?

The CVE-2022-42129 vulnerability refers to an IDOR flaw in the Dynamic Data Mapping module of Liferay Portal and Liferay DXP versions prior to the specified updates. It allows authenticated remote attackers to access and view form entries via a specific parameter.

The Impact of CVE-2022-42129

This vulnerability can lead to unauthorized access to sensitive form data by malicious actors. An attacker could exploit this flaw to access and potentially manipulate form entries, posing a significant risk to data confidentiality and integrity.

Technical Details of CVE-2022-42129

Vulnerability Description

The IDOR vulnerability in Liferay Portal and Liferay DXP versions as mentioned, exposes the

formInstanceRecordId

parameter to unauthorized users, allowing them to access form entries without proper authorization.

Affected Systems and Versions

Liferay Portal versions 7.3.2 through 7.4.3.4, along with Liferay DXP 7.3 before update 4, and 7.4 GA are impacted by this vulnerability.

Exploitation Mechanism

Remote authenticated users can exploit the CVE-2022-42129 vulnerability by manipulating the

formInstanceRecordId

parameter to gain access to form entries they are not authorized to view.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2022-42129, users are advised to update their Liferay Portal and Liferay DXP installations to the latest patched versions. Additionally, restricting access to sensitive form entries and implementing proper authorization controls can help prevent unauthorized access.

Long-Term Security Practices

Implementing regular security assessments, providing security training to users, and maintaining an incident response plan can enhance the overall security posture of the affected systems.

Patching and Updates

Users should regularly check for security updates and patches released by Liferay for the affected versions to address the CVE-2022-42129 vulnerability and other potential security threats.