CVE-2018-17924 : Exploit Details and Defense Strategies

Rockwell Automation MicroLogix 1400 Controllers and 1756 ControlLogix Communications Modules are vulnerable to unauthorized remote access, allowing attackers to modify IP configurations and disrupt system communication.

Understanding CVE-2018-17924

The security issue in Rockwell Automation devices poses a risk of unauthorized access and system disruption.

What is CVE-2018-17924?

The vulnerability allows attackers to change IP configurations remotely, leading to communication disruptions within the system.

The Impact of CVE-2018-17924

Unauthorized individuals can manipulate device settings, causing communication breakdowns and potential system compromise.

Technical Details of CVE-2018-17924

Rockwell Automation devices are affected by a critical security flaw that enables unauthorized IP configuration changes.

Vulnerability Description

Attackers can exploit missing authentication to alter IP configurations, disrupting system communication.

Affected Systems and Versions

Rockwell Automation MicroLogix 1400 Controllers Series A, B, C
1756 ControlLogix EtherNet/IP Communications Modules

Exploitation Mechanism

Unauthorized individuals can send a CIP connection request to the device, allowing them to modify IP configurations remotely.

Mitigation and Prevention

Steps to address and prevent the CVE-2018-17924 vulnerability.

Immediate Steps to Take

Implement network segmentation to limit access
Monitor network traffic for suspicious activities
Apply vendor-supplied patches or updates

Long-Term Security Practices

Conduct regular security assessments and audits
Train employees on cybersecurity best practices

Patching and Updates

Apply security patches provided by Rockwell Automation