CVE-2022-34043 : Security Advisory and Response

A vulnerability has been identified in Nomachine v7.9.2 due to incorrect permissions for a specific folder, enabling attackers to exploit it for a DLL hijacking attack.

Understanding CVE-2022-34043

This CVE refers to the issue where attackers can abuse incorrect folder permissions in Nomachine v7.9.2 to execute arbitrary code via a DLL hijacking attack.

What is CVE-2022-34043?

The vulnerability in Nomachine v7.9.2 allows threat actors to leverage a DLL hijacking attack by exploiting improper permissions on the folder path 'C:\ProgramData\NoMachine\var\uninstall'. This could result in the execution of malicious code.

The Impact of CVE-2022-34043

With this vulnerability, attackers can potentially execute arbitrary code on systems running Nomachine v7.9.2, compromising the integrity and security of affected systems.

Technical Details of CVE-2022-34043

This section covers the technical aspects of the CVE in terms of its description, affected systems, and how the exploitation takes place.

Vulnerability Description

The vulnerability arises from incorrect permissions set for the folder 'C:\ProgramData\NoMachine\var\uninstall' in Nomachine v7.9.2, allowing threat actors to perform DLL hijacking.

Affected Systems and Versions

Nomachine v7.9.2 is specifically impacted by this vulnerability due to the misconfigured permissions on the mentioned folder path.

Exploitation Mechanism

Attackers can exploit this vulnerability by hijacking DLL files within the specified folder path, enabling them to execute arbitrary code on the target system.

Mitigation and Prevention

To address CVE-2022-34043, immediate steps should be taken to mitigate the risk and prevent potential exploitation.

Immediate Steps to Take

Apply the latest security patches and updates provided by Nomachine to fix the permissions issue on the affected folder.
Monitor system logs and behavior for any signs of unauthorized access or attempts to exploit the vulnerability.

Long-Term Security Practices

Implement proper access controls and permissions management to prevent unauthorized changes to critical system files and folders.
Conduct regular security assessments and audits to identify and remediate vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories from Nomachine and promptly apply patches and updates to keep the software secure and protected against potential threats.