CVE-2019-6549 : Exploit Details and Defense Strategies

CVE-2019-6549, published on February 5, 2019, addresses a vulnerability in the PR100088 Modbus gateway prior to Release R02 (or Software Version 1.1.13166) that allows unauthorized access to unencrypted login information stored in an XML file through FTP.

Understanding CVE-2019-6549

This CVE entry highlights a security issue in the PR100088 Modbus gateway that could lead to the exposure of sensitive login credentials.

What is CVE-2019-6549?

The vulnerability in CVE-2019-6549 enables malicious actors to retrieve plaintext credentials from an XML file on affected PR100088 Modbus gateway versions via FTP.

The Impact of CVE-2019-6549

The exploitation of this vulnerability could result in unauthorized access to sensitive login information, potentially leading to further security breaches and unauthorized system control.

Technical Details of CVE-2019-6549

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

Vulnerability Description

The flaw allows attackers to access unencrypted login details stored in an XML file on PR100088 Modbus gateway versions preceding Release R02 (or Software Version 1.1.13166) through FTP.

Affected Systems and Versions

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

Exploitation Mechanism

Unauthorized individuals can exploit this vulnerability by accessing the XML file containing unencrypted login information via FTP.

Mitigation and Prevention

Protecting systems from CVE-2019-6549 requires immediate action and long-term security measures.

Immediate Steps to Take

Update the PR100088 Modbus gateway to Release R02 (or Software Version 1.1.13166) to mitigate the vulnerability.
Implement strong access controls and encryption mechanisms to safeguard sensitive information.

Long-Term Security Practices

Regularly monitor and audit system logs for any unauthorized access attempts.
Conduct security training for personnel to raise awareness about data protection and secure practices.

Patching and Updates

Stay informed about security advisories and updates from ICS-CERT to address vulnerabilities promptly.