CVE-2022-32136 Explained : Impact and Mitigation

A vulnerability has been identified in multiple CODESYS products that could allow a low privileged remote attacker to trigger a denial-of-service attack without the need for user interaction. Here is everything you need to know about CVE-2022-32136.

Understanding CVE-2022-32136

This section will provide insights into the nature and impact of the vulnerability.

What is CVE-2022-32136?

The vulnerability in CODESYS products allows an attacker to exploit an uninitialized pointer, resulting in a denial-of-service attack.

The Impact of CVE-2022-32136

The impact of this vulnerability is categorized as medium severity with a CVSS base score of 6.5. It can lead to a denial-of-service condition with high availability impact.

Technical Details of CVE-2022-32136

In this section, we will delve into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from a low privileged remote attacker crafting a request that triggers a read access to an uninitialized pointer.

Affected Systems and Versions

The vulnerability affects CODESYS Runtime Toolkit and PLCWinNT versions prior to V2.4.7.57 on 32-bit platforms.

Exploitation Mechanism

The exploitation of this vulnerability occurs over a network with low attack complexity and privileges required.

Mitigation and Prevention

Here we explore the steps to mitigate and prevent exploitation of CVE-2022-32136.

Immediate Steps to Take

It is recommended to apply security updates provided by CODESYS to mitigate the vulnerability. Network monitoring and access controls can also help in preventing attacks.

Long-Term Security Practices

Developers should practice secure coding to avoid similar pointer-related vulnerabilities in the future.

Patching and Updates

Regularly update CODESYS products to the latest versions to ensure protection against known vulnerabilities.