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CVE-2017-6024 : Exploit Details and Defense Strategies

Learn about CVE-2017-6024 affecting Rockwell Automation ControlLogix 5580 and CompactLogix 5380 controllers. Discover the impact, affected versions, exploitation, and mitigation steps.

A security flaw affecting Rockwell Automation ControlLogix 5580 and CompactLogix 5380 controllers has been identified, potentially enabling unauthorized disruption of normal functionality.

Understanding CVE-2017-6024

What is CVE-2017-6024?

A Resource Exhaustion vulnerability in Rockwell Automation ControlLogix 5580 and CompactLogix 5380 controllers could allow an attacker to disrupt the controller's normal functionality by sending specific CIP-based instructions.

The Impact of CVE-2017-6024

This vulnerability could lead to a denial of service condition on affected controllers, impacting their availability and performance.

Technical Details of CVE-2017-6024

Vulnerability Description

The flaw affects Rockwell Automation ControlLogix 5580 controllers versions V28.011, V28.012, and V28.013; ControlLogix 5580 controllers version V29.011; CompactLogix 5380 controllers version V28.011; and CompactLogix 5380 controllers version V29.011.

Affected Systems and Versions

        Rockwell Automation ControlLogix 5580 controllers versions V28.011, V28.012, and V28.013
        ControlLogix 5580 controllers version V29.011
        CompactLogix 5380 controllers version V28.011
        CompactLogix 5380 controllers version V29.011

Exploitation Mechanism

The vulnerability can be exploited by sending a sequence of targeted CIP-based instructions to the affected controllers.

Mitigation and Prevention

Immediate Steps to Take

        Apply vendor-provided patches and updates promptly.
        Implement network segmentation to limit exposure.
        Monitor network traffic for any suspicious activity.

Long-Term Security Practices

        Regularly update and patch all industrial control systems.
        Conduct security assessments and penetration testing.
        Educate personnel on cybersecurity best practices.

Patching and Updates

Ensure that all affected Rockwell Automation ControlLogix 5580 and CompactLogix 5380 controllers are updated with the latest patches to mitigate the Resource Exhaustion vulnerability.

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