CVE-2018-19659 : Exploit Details and Defense Strategies

A vulnerability in the web server functionality of Moxa NPort W2x50A products allows for the execution of OS commands with root user privileges through a crafted HTTP POST request.

Understanding CVE-2018-19659

This CVE involves a command-injection vulnerability in Moxa NPort W2x50A products.

What is CVE-2018-19659?

This vulnerability in Moxa NPort W2x50A products enables attackers to run OS commands as the root user by exploiting a specific HTTP POST request to the /goform/net_WebPingGetValue endpoint.

The Impact of CVE-2018-19659

The vulnerability poses a significant risk as it allows unauthorized users to execute commands with elevated privileges, potentially leading to system compromise.

Technical Details of CVE-2018-19659

This section provides detailed technical information about the vulnerability.

Vulnerability Description

An authenticated command-injection flaw exists in Moxa NPort W2x50A products with firmware versions prior to 2.2 Build_18082311, allowing the execution of OS commands with root privileges.

Affected Systems and Versions

Product: Moxa NPort W2x50A
Firmware Versions: Before 2.2 Build_18082311

Exploitation Mechanism

The vulnerability can be exploited by sending a specially crafted HTTP POST request to the /goform/net_WebPingGetValue endpoint.

Mitigation and Prevention

Protecting systems from CVE-2018-19659 requires immediate action and long-term security measures.

Immediate Steps to Take

Update affected Moxa NPort W2x50A products to firmware version 2.2 Build_18082311 or later.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Implement strong authentication mechanisms to prevent unauthorized access.
Regularly audit and patch systems to address vulnerabilities.

Patching and Updates

Apply security patches and updates provided by Moxa to mitigate the vulnerability.