Learn about CVE-2023-37547, an improper input validation vulnerability in the CmpApp component of multiple CODESYS products, potentially causing denial-of-service. Understand the impact and mitigation.
This CVE involves an improper input validation vulnerability in the CmpApp component of multiple CODESYS products, potentially leading to a denial-of-service condition. Here's what you need to know:
Understanding CVE-2023-37547
This section will provide detailed insights into the vulnerability.
What is CVE-2023-37547?
In multiple versions of CODESYS products, specifically crafted network communication requests with inconsistent content can trigger the CmpApp component to read from an invalid address, potentially causing a denial-of-service scenario.
The Impact of CVE-2023-37547
The vulnerability could be exploited by authenticated users to disrupt systems and services, leading to a denial-of-service condition. It is important for organizations to understand the potential impact on their systems.
Technical Details of CVE-2023-37547
Let's dive deeper into the technical aspects of this vulnerability.
Vulnerability Description
After successful authentication, malicious network requests can manipulate the CmpApp component to access an invalid memory address, opening the door to a denial-of-service attack.
Affected Systems and Versions
Various CODESYS products versions less than V4.10.0.0 are susceptible to this vulnerability, affecting several industrial control systems.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending specially crafted network communication requests with inconsistent content to trigger the faulty behavior in the CmpApp component.
Mitigation and Prevention
Discover how organizations can mitigate the risks associated with CVE-2023-37547.
Immediate Steps to Take
Immediate actions include applying patches, implementing network security controls, and monitoring for any suspicious network activity.
Long-Term Security Practices
Establishing robust security practices, conducting regular security assessments, and providing cybersecurity awareness training can enhance overall security posture.
Patching and Updates
Ensure that affected systems are updated with the latest patches provided by CODESYS to address the vulnerability.