CVE-2018-7793 : Security Advisory and Response

A security flaw in the FoxView HMI SCADA system, affecting all versions of Foxboro DCS, Foxboro Evo, and IA Series prior to Foxboro DCS Control Core Services 9.4 and FoxView 10.5, has been identified. This vulnerability is related to Credential Management and could lead to unauthorized disclosure, modification, or service disruption if passwords are changed without proper authorization.

Understanding CVE-2018-7793

This CVE involves a Credential Management vulnerability in the FoxView HMI SCADA system.

What is CVE-2018-7793?

The CVE-2018-7793 vulnerability is a security issue in the FoxView HMI SCADA system, impacting various versions of Foxboro DCS, Foxboro Evo, and IA Series before specific updates.

The Impact of CVE-2018-7793

The vulnerability could potentially result in unauthorized disclosure, modification, or disruption of service if passwords are altered without proper authorization.

Technical Details of CVE-2018-7793

This section provides technical details of the CVE-2018-7793 vulnerability.

Vulnerability Description

The vulnerability is related to Credential Management in the FoxView HMI SCADA system.

Affected Systems and Versions

Product: FoxView HMI SCADA (All Foxboro DCS, Foxboro Evo, and IA Series versions prior to Foxboro DCS Control Core Services 9.4 and FoxView 10.5)
Vendor: Schneider Electric SE

Exploitation Mechanism

The vulnerability can be exploited by changing passwords without proper authorization, leading to potential security breaches.

Mitigation and Prevention

Protecting systems from CVE-2018-7793 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Schneider Electric SE promptly.
Monitor system logs for any unauthorized password changes.
Implement multi-factor authentication to enhance security.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security training for employees on proper password management.
Perform regular security audits and assessments to identify vulnerabilities.
Implement access controls to restrict unauthorized changes.
Consider implementing a password management policy to ensure secure practices.
Stay informed about security best practices and industry updates.

Patching and Updates

Ensure that all affected systems are updated to Foxboro DCS Control Core Services 9.4 and FoxView 10.5 to mitigate the CVE-2018-7793 vulnerability.