CVE-2022-23401 Explained : Impact and Mitigation

This article discusses the insecure DLL loading issues present in Yokogawa Electric products, affecting CENTUM CS 3000, CENTUM VP, and Exaopc.

Understanding CVE-2022-23401

This CVE concerns insecure DLL loading in Yokogawa Electric products.

What is CVE-2022-23401?

The vulnerable products include CENTUM CS 3000 (versions R3.08.10 to R3.09.00), CENTUM VP (versions R4.01.00 to R4.03.00, R5.01.00 to R5.04.20, R6.01.00 to R6.08.00), and Exaopc (versions R3.72.00 to R3.79.00).

The Impact of CVE-2022-23401

The insecure DLL loading in these products could be exploited by attackers to gain unauthorized access or execute arbitrary code on the affected systems.

Technical Details of CVE-2022-23401

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is classified as CWE-427: Uncontrolled Search Path Element, posing a risk of DLL hijacking.

Affected Systems and Versions

CENTUM CS 3000: versions R3.08.10 to R3.09.00
CENTUM VP: versions R4.01.00 to R4.03.00, R5.01.00 to R5.04.20, R6.01.00 to R6.08.00
Exaopc: versions R3.72.00 to R3.79.00

Exploitation Mechanism

The vulnerability arises due to insecure DLL loading, allowing malicious actors to plant and execute malicious DLLs on the system.

Mitigation and Prevention

To safeguard systems from CVE-2022-23401, immediate action and long-term security measures are essential.

Immediate Steps to Take

Ensure the affected products are updated with security patches provided by Yokogawa Electric Corporation.

Long-Term Security Practices

Implement secure coding practices, restrict system access, and monitor for unusual DLL activities.

Patching and Updates

Regularly check for security advisories from the vendor and apply patches promptly to address known vulnerabilities.