CVE-2022-47380 : What You Need to Know

A stack-based out-of-bounds write vulnerability has been discovered in multiple CODESYS products of various versions. This vulnerability can be exploited by an authenticated remote attacker to trigger denial-of-service, memory corruption, or even remote code execution.

Understanding CVE-2022-47380

This CVE identifies a critical security issue in multiple CODESYS products that could have severe consequences if exploited.

What is CVE-2022-47380?

An authenticated remote attacker may exploit a stack-based out-of-bounds write vulnerability in various CODESYS products to write data into the stack, potentially leading to denial-of-service, memory overwriting, or remote code execution.

The Impact of CVE-2022-47380

The vulnerability poses a high severity risk with a CVSS base score of 8.8, potentially allowing attackers to compromise confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2022-47380

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers to perform a stack-based out-of-bounds write in multiple versions of CODESYS products, enabling them to manipulate the stack and potentially execute arbitrary code remotely.

Affected Systems and Versions

Multiple CODESYS products are affected, including Control RTE, Control Win, Safety SIL2 Toolkit, HMI, Development System, and various Control versions for different devices.

Exploitation Mechanism

An authenticated remote attacker can leverage this vulnerability to write data beyond the bounds of a stack, which can lead to severe consequences like denial-of-service, memory corruption, or unauthorized code execution.

Mitigation and Prevention

To address CVE-2022-47380, immediate steps should be taken to secure the affected systems and prevent potential exploitation.

Immediate Steps to Take

Organizations using the impacted CODESYS products should apply the necessary patches and security updates provided by the vendor to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Implementing strong authentication mechanisms, network segmentation, and regular security assessments can help enhance the overall security posture of the systems to prevent future vulnerabilities.

Patching and Updates

Regularly monitor for security updates and patches released by CODESYS for the affected products. Timely application of these patches is crucial to ensure the systems are protected from known vulnerabilities.