CVE-2022-28981 Explained : Impact and Mitigation

A path traversal vulnerability in the Hypermedia REST APIs module in Liferay Portal versions 7.4.0 through 7.4.2 has been identified. This vulnerability could allow remote attackers to access files outside of specific directories by exploiting a certain parameter.

Understanding CVE-2022-28981

This section will provide insights into the nature and impact of the CVE-2022-28981 vulnerability.

What is CVE-2022-28981?

The CVE-2022-28981 vulnerability involves a path traversal issue within the Hypermedia REST APIs module of Liferay Portal version 7.4.0 through 7.4.2. Attackers can exploit this vulnerability to access files located outside the designated directory through a specific parameter.

The Impact of CVE-2022-28981

The impact of this vulnerability is significant as it allows remote attackers to retrieve sensitive files that are not meant to be accessed, potentially leading to unauthorized disclosure of information and other security risks.

Technical Details of CVE-2022-28981

In this section, we will delve into the technical aspects of the CVE-2022-28981 vulnerability.

Vulnerability Description

The vulnerability arises due to improper input validation in the handling of the

parameter

parameter of the Hypermedia REST APIs module. This could be exploited by malicious actors to navigate to arbitrary files outside the intended directory structure.

Affected Systems and Versions

Liferay Portal versions 7.4.0 through 7.4.2 are affected by this vulnerability. Users utilizing these versions are at risk of exploitation if proper mitigation measures are not implemented promptly.

Exploitation Mechanism

Remote attackers can exploit CVE-2022-28981 by sending specially crafted requests containing malicious input via the

parameter

parameter. By manipulating the input, attackers can bypass restrictions and access unauthorized files.

Mitigation and Prevention

To address the CVE-2022-28981 vulnerability, it is crucial for organizations and users to take immediate action to prevent potential exploitation and secure their systems.

Immediate Steps to Take

Users are advised to apply security patches or updates provided by Liferay Portal to remediate the vulnerability. Additionally, organizations should restrict access to sensitive directories and follow security best practices to minimize risks.

Long-Term Security Practices

In the long term, organizations should conduct regular security assessments, implement secure coding practices, and educate users on identifying and reporting security issues to enhance overall cybersecurity posture.

Patching and Updates

Stay informed about security advisories from Liferay Portal and promptly apply patches or updates released to address vulnerabilities such as CVE-2022-28981.