CVE-2018-20850 : What You Need to Know

Stormshield Network Security versions 2.0.0 through 2.13.0 and 3.0.0 through 3.7.1 are affected by a self-XSS vulnerability in the command line interface of the SNS web server.

Understanding CVE-2018-20850

This CVE involves a self-XSS vulnerability in Stormshield Network Security versions 2.0.0 through 2.13.0 and 3.0.0 through 3.7.1.

What is CVE-2018-20850?

The command line interface of the SNS web server in the mentioned versions contains a self-XSS vulnerability.

The Impact of CVE-2018-20850

This vulnerability could allow an attacker to execute malicious scripts in the context of the user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-20850

Stormshield Network Security versions 2.0.0 through 2.13.0 and 3.0.0 through 3.7.1 are susceptible to a self-XSS vulnerability.

Vulnerability Description

The SNS web server's command line interface is vulnerable to self-XSS, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Stormshield Network Security 2.0.0 through 2.13.0
Stormshield Network Security 3.0.0 through 3.7.1

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking a user into executing malicious commands or scripts, leading to potential security breaches.

Mitigation and Prevention

To address CVE-2018-20850, follow these steps:

Immediate Steps to Take

Implement security best practices for command line interfaces.
Regularly monitor and audit command line activities for suspicious behavior.
Educate users on the risks of executing unknown commands.

Long-Term Security Practices

Keep software and systems up to date with the latest patches and security updates.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Consider implementing application whitelisting to restrict unauthorized command executions.

Patching and Updates

Ensure that you apply the necessary patches and updates provided by Stormshield Network Security to mitigate the self-XSS vulnerability.