CVE-2019-14925 : What You Need to Know

A vulnerability has been identified in Mitsubishi Electric ME-RTU devices up to version 2.02 and INEA ME-RTU devices up to version 3.0. The system contains a configuration file named "/usr/smartrtu/init/settings.xml" which has inappropriate permission settings, enabling unauthorized users to access and retrieve sensitive information such as usernames, passwords, and other confidential RTU data.

Understanding CVE-2019-14925

This CVE-2019-14925 vulnerability affects Mitsubishi Electric ME-RTU and INEA ME-RTU devices, potentially exposing sensitive data due to insecure permission settings.

What is CVE-2019-14925?

CVE-2019-14925 is a security vulnerability found in Mitsubishi Electric ME-RTU devices up to version 2.02 and INEA ME-RTU devices up to version 3.0. It allows unauthorized users to access and extract confidential information from the system.

The Impact of CVE-2019-14925

The vulnerability could lead to unauthorized access to sensitive data stored in the configuration file, including usernames, passwords, and other critical RTU information.

Technical Details of CVE-2019-14925

This section provides more in-depth technical insights into the CVE-2019-14925 vulnerability.

Vulnerability Description

The issue arises from a world-readable configuration file, '/usr/smartrtu/init/settings.xml,' on Mitsubishi Electric ME-RTU and INEA ME-RTU devices, allowing attackers to read sensitive data due to insecure permission settings.

Affected Systems and Versions

Mitsubishi Electric ME-RTU devices up to version 2.02
INEA ME-RTU devices up to version 3.0

Exploitation Mechanism

Unauthorized users can exploit the insecure permission settings on the '/usr/smartrtu/init/settings.xml' file to access and retrieve confidential information stored within the RTU devices.

Mitigation and Prevention

To address CVE-2019-14925 and enhance system security, follow these mitigation strategies:

Immediate Steps to Take

Restrict access to the '/usr/smartrtu/init/settings.xml' file to authorized personnel only
Regularly monitor and audit access to sensitive configuration files

Long-Term Security Practices

Implement the principle of least privilege to limit access rights
Conduct regular security training for employees on data protection and secure configuration practices

Patching and Updates

Apply security patches provided by Mitsubishi Electric for ME-RTU devices
Update INEA ME-RTU devices to the latest firmware version to address the vulnerability