CVE-2019-6531 Explained : Impact and Mitigation

CVE-2019-6531 was published on 2019-04-02 by Kunbus. The vulnerability affects the PR100088 Modbus gateway, allowing attackers to extract passwords from HTTP GET requests.

Understanding CVE-2019-6531

If an individual is in a MITM position, they can obtain passwords by extracting them from a HTTP GET request from the Kunbus PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166).

What is CVE-2019-6531?

This CVE describes an information exposure vulnerability in the Kunbus PR100088 Modbus gateway that allows attackers to retrieve passwords from HTTP GET requests.

The Impact of CVE-2019-6531

The vulnerability could lead to unauthorized access to sensitive information, including passwords, if exploited by malicious actors.

Technical Details of CVE-2019-6531

The following technical details provide insight into the vulnerability.

Vulnerability Description

An attacker could retrieve passwords from a HTTP GET request from the Kunbus PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166) if the attacker is in a MITM position.

Affected Systems and Versions

Product: PR100088 Modbus gateway
Vendor: Kunbus
Versions Affected: All versions prior to Release R02 (or Software Version 1.1.13166)

Exploitation Mechanism

The vulnerability can be exploited by individuals in a Man-in-the-Middle (MITM) position to intercept and extract passwords from HTTP GET requests.

Mitigation and Prevention

Protecting systems from CVE-2019-6531 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Kunbus PR100088 Modbus gateway to Release R02 or Software Version 1.1.13166 to mitigate the vulnerability.
Implement network encryption and secure communication protocols to prevent interception of sensitive data.

Long-Term Security Practices

Regularly monitor network traffic for suspicious activities that may indicate a MITM attack.
Educate users on secure password practices and the risks of transmitting sensitive information over unsecured channels.

Patching and Updates

Stay informed about security advisories and updates from Kunbus to promptly apply patches that address known vulnerabilities.