CVE-2018-14827 : Vulnerability Insights and Analysis

Versions of RSLinx Classic by Rockwell Automation up to 4.00.01 are susceptible to a potential attack where an unauthorized individual, without authentication, has the ability to send specifically designed packets over Ethernet/IP to Port 44818. This can lead to the software application becoming unresponsive and eventually crashing. The user will need to restart the software in order to restore its proper functionality.

Understanding CVE-2018-14827

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. A remote, unauthenticated threat actor may intentionally send specially crafted Ethernet/IP packets to Port 44818, causing the software application to stop responding and crash. The user must restart the software to regain functionality.

What is CVE-2018-14827?

CVE ID: CVE-2018-14827
Date Published: September 20, 2018
Vendor: Rockwell Automation
Affected Product: RSLinx Classic
Vulnerability Type: UNCONTROLLED RESOURCE CONSUMPTION ('RESOURCE EXHAUSTION') CWE-400

The Impact of CVE-2018-14827

Unauthorized individuals can exploit the vulnerability without authentication
Sending malicious packets over Ethernet/IP to Port 44818 can cause the software to crash
Requires manual restart of the software for normal operation

Technical Details of CVE-2018-14827

Versions of RSLinx Classic by Rockwell Automation up to 4.00.01 are affected by this vulnerability.

Vulnerability Description

Remote, unauthenticated threat actors can send crafted Ethernet/IP packets to Port 44818
Results in software unresponsiveness and crashes

Affected Systems and Versions

Product: RSLinx Classic
Vendor: Rockwell Automation
Versions Affected: 4.00.01 and prior

Exploitation Mechanism

Attackers exploit the vulnerability by sending specially crafted packets over Ethernet/IP to Port 44818
This action causes the software application to become unresponsive and crash

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-14827.

Immediate Steps to Take

Implement firewall rules to restrict access to Port 44818
Regularly monitor network traffic for any suspicious activities
Apply vendor-supplied patches or updates to address the vulnerability

Long-Term Security Practices

Conduct regular security assessments and penetration testing
Educate users on safe network practices and potential threats
Keep software and systems up to date with the latest security patches
Consider network segmentation to limit the impact of potential attacks
Stay informed about cybersecurity trends and best practices

Patching and Updates

Rockwell Automation may release patches or updates to address the vulnerability
Ensure timely application of patches to secure the software and prevent exploitation