CVE-2022-47392 : Vulnerability Insights and Analysis

This CVE involves multiple CODESYS products being susceptible to an improper input validation vulnerability that an authenticated, remote attacker could exploit to trigger a denial-of-service condition.

Understanding CVE-2022-47392

This section delves into the details of the vulnerability, its impact, affected systems, and mitigation strategies.

What is CVE-2022-47392?

The vulnerability lies in the CmpApp/CmpAppBP/CmpAppForce Components of various CODESYS products across different versions, allowing attackers to read from an invalid address, potentially leading to a denial-of-service situation.

The Impact of CVE-2022-47392

With a CVSS base score of 6.5, this vulnerability poses a medium severity risk with high availability impact. However, it does not affect confidentiality or integrity and requires low privileges for exploitation. The attack complexity is low with network access and no user interaction required.

Technical Details of CVE-2022-47392

This section provides insights into the vulnerability description, affected systems, affected versions, and how the exploitation can occur.

Vulnerability Description

An authenticated, remote attacker may exploit an improper input validation vulnerability in the CmpApp/CmpAppBP/CmpAppForce Components of multiple CODESYS products to read from an invalid address, leading to a denial-of-service condition.

Affected Systems and Versions

The affected products include CODESYS Control RTE, CODESYS Control Win, CODESYS Control Runtime System Toolkit, and various other products with versions less than V3.5.19.0 or V4.8.0.0.

Exploitation Mechanism

The vulnerability can be exploited by an authenticated, remote attacker using improper input validation in CODESYS products, potentially resulting in a denial-of-service scenario.

Mitigation and Prevention

In this section, we detail the immediate steps to take to safeguard your systems, as well as long-term security practices and the importance of patching and updates.

Immediate Steps to Take

To mitigate the risk, users are advised to apply the necessary patches provided by CODESYS promptly. Additionally, restrict network access to vulnerable systems to reduce the attack surface.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and stay informed about security updates released by CODESYS to ensure proactive defense against vulnerabilities.

Patching and Updates

Regularly update CODESYS products to the latest versions or apply patches specifically addressing the improper input validation vulnerability to enhance the security posture of your systems.