CVE-2022-22513 : Security Advisory and Response
Discover how an authenticated remote attacker can exploit a null pointer dereference vulnerability in CODESYS products, leading to a crash. Learn about the impact, affected versions, and mitigation steps.
A null pointer dereference vulnerability has been identified in multiple CODESYS products which can be exploited by an authenticated remote attacker to cause a crash.
Understanding CVE-2022-22513
This CVE pertains to a vulnerability in various CODESYS products that could lead to a denial of service (DoS) attack when exploited by an authenticated remote attacker.
What is CVE-2022-22513?
CVE-2022-22513 refers to a null pointer dereference issue in the CmpSettings component of affected CODESYS products, allowing an attacker to trigger a crash.
The Impact of CVE-2022-22513
The impact of this vulnerability is rated as MEDIUM based on the CVSS v3.1 scoring. It can result in a denial of service situation due to a null pointer dereference, affecting the availability of the system.
Technical Details of CVE-2022-22513
This section outlines the technical aspects of CVE-2022-22513, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
An authenticated remote attacker can exploit a null pointer dereference in the CmpSettings component of CODESYS products, leading to a system crash.
Affected Systems and Versions
The vulnerability affects multiple versions of various CODESYS products, including Control RTE, Control Win, Gateway, HMI, and Development System V3, among others.
Exploitation Mechanism
The vulnerability can be exploited by an authenticated remote attacker over the network, with low privileges required and no user interaction to trigger a crash.
Mitigation and Prevention
To address CVE-2022-22513, immediate steps can be taken to mitigate the risk and prevent potential attacks, along with long-term security practices and the importance of patching and updates.
Immediate Steps to Take
Ensure access control measures are in place, monitor network traffic for any suspicious activity, and consider implementing additional security layers to prevent exploitation.
Long-Term Security Practices
Regularly update CODESYS products to the latest secure versions, conduct security assessments, train personnel on secure coding practices, and stay informed about new vulnerabilities.
Patching and Updates
Apply patches provided by CODESYS promptly, follow recommended security configurations, and maintain proactive communication with vendors to receive timely updates and advisories.