CVE-2019-18648 : Security Advisory and Response

Untangle NG firewall version 14.2.0 is vulnerable to reflected XSS attacks when an admin user is logged in. This vulnerability affects multiple user input fields.

Understanding CVE-2019-18648

This CVE identifies a security flaw in the Untangle NG firewall version 14.2.0 that allows for reflected XSS attacks.

What is CVE-2019-18648?

Reflected XSS vulnerability in Untangle NG firewall version 14.2.0 when an admin user is logged in, impacting various user input fields.

The Impact of CVE-2019-18648

Allows attackers to execute malicious scripts in the context of an admin user, potentially leading to unauthorized actions.
Could result in sensitive data exposure or manipulation within the firewall system.

Technical Details of CVE-2019-18648

Untangle NG firewall version 14.2.0 vulnerability details.

Vulnerability Description

Reflected XSS vulnerability present in multiple locations and specific user input fields.

Affected Systems and Versions

Untangle NG firewall version 14.2.0

Exploitation Mechanism

Attackers can craft malicious URLs containing scripts that, when clicked by an admin user, execute in the user's context.

Mitigation and Prevention

Protecting systems from CVE-2019-18648.

Immediate Steps to Take

Update the Untangle NG firewall to a patched version that addresses the XSS vulnerability.
Educate users on avoiding clicking on suspicious links or URLs.

Long-Term Security Practices

Regularly monitor and audit user input fields for malicious content.
Implement web application firewalls to detect and block XSS attacks.

Patching and Updates

Apply security patches provided by Untangle for the NG firewall to mitigate the XSS vulnerability.