Learn about CVE-2022-47384, a critical stack-based out-of-bounds write vulnerability in multiple CODESYS products, its impact, affected systems, and mitigation steps.
A stack-based out-of-bounds write vulnerability has been identified in multiple versions of CODESYS products. This vulnerability could be exploited by an authenticated remote attacker to trigger denial-of-service, memory overwriting, or even remote code execution.
Understanding CVE-2022-47384
This section delves into the details of the CVE-2022-47384 vulnerability.
What is CVE-2022-47384?
An authenticated remote attacker may leverage a stack-based out-of-bounds write vulnerability in the CmpTraceMgr Component of various CODESYS products, across different versions, to manipulate the stack data, potentially resulting in a denial-of-service scenario, memory corruption, or the execution of malicious code.
The Impact of CVE-2022-47384
The impact of this vulnerability is severe, with high confidentiality, integrity, and availability impacts. It poses a significant risk of unauthorized access, data tampering, and service disruptions.
Technical Details of CVE-2022-47384
This section covers the technical aspects of the CVE-2022-47384 vulnerability.
Vulnerability Description
A stack-based out-of-bounds write vulnerability allows an authenticated remote attacker to exploit the CmpTraceMgr Component in various versions of CODESYS products, potentially leading to denial-of-service, memory tampering, or remote code execution.
Affected Systems and Versions
The vulnerability affects multiple versions of CODESYS products, including Control RTE, Control Win, CODESYS Development System, and many others, with specific version limitations.
Exploitation Mechanism
Exploiting this vulnerability involves leveraging the out-of-bounds write capability in the CmpTraceMgr Component of susceptible CODESYS products to manipulate stack data, enabling various malicious outcomes.
Mitigation and Prevention
This section outlines the measures to mitigate and prevent exploitation of CVE-2022-47384.
Immediate Steps to Take
Immediately update the affected CODESYS products to versions V3.5.19.0 or V4.8.0.0, depending on the product, to mitigate the vulnerability. Implement network security controls to restrict unauthorized access.
Long-Term Security Practices
Regularly monitor for security advisories from CODESYS and promptly apply security patches and updates. Conduct regular security assessments and network scans to detect and address any vulnerabilities.
Patching and Updates
Ensure timely installation of patches and updates provided by CODESYS to address the CVE-2022-47384 vulnerability and enhance the overall security posture of the affected systems.