Learn about CVE-2022-1797 affecting Rockwell Automation Logix Controllers. Explore the impact, technical details, and mitigation steps for this uncontrolled resource consumption vulnerability.
A detailed analysis of the CVE-2022-1797 vulnerability affecting Rockwell Automation Logix Controllers, its impact, technical details, and mitigation steps.
Understanding CVE-2022-1797
This section will cover what CVE-2022-1797 is, its impact, affected systems, and how it can be exploited.
What is CVE-2022-1797?
The CVE-2022-1797 vulnerability involves a malformed Class 3 common industrial protocol message with a cached connection that can lead to a denial-of-service condition in Rockwell Automation Logix Controllers, resulting in a major non-recoverable fault.
The Impact of CVE-2022-1797
The vulnerability can cause a denial-of-service condition in the affected controllers, requiring manual intervention to clear faults and restore the device's online status.
Technical Details of CVE-2022-1797
This section will provide in-depth technical details about the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
A malformed protocol message can trigger a denial-of-service condition in Logix Controllers, impacting availability significantly.
Affected Systems and Versions
Rockwell Automation Logix Controllers, including CompactLogix and ControlLogix series, are affected, with specific firmware versions.
Exploitation Mechanism
The vulnerability is exploited through a crafted protocol message, causing uncontrolled resource consumption and system instability.
Mitigation and Prevention
This section will outline the necessary steps to mitigate the CVE-2022-1797 vulnerability and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update affected controllers to the latest firmware versions provided by Rockwell Automation to address the vulnerability promptly.
Long-Term Security Practices
Implementing security best practices, such as access control and network segmentation, can enhance the overall security posture to prevent future vulnerabilities.
Patching and Updates
Regularly check for firmware updates and security advisories from Rockwell Automation to stay informed about potential vulnerabilities and patches.