CVE-2019-20003 : Security Advisory and Response

Feldtech's easescreen Crystal 9.0 Web-Services 9.0.1.16265 version has a vulnerability that allows Stored Cross-Site Scripting (XSS) through the Debug-Log and Display-Log components. This CVE-2019-20003 can be exploited by attackers using manipulated strings for FTP authentication.

Understanding CVE-2019-20003

This CVE involves a Stored XSS vulnerability in Feldtech's easescreen Crystal 9.0 Web-Services 9.0.1.16265.

What is CVE-2019-20003?

The vulnerability in this CVE allows attackers to execute Stored Cross-Site Scripting attacks through specific components of the software.

The Impact of CVE-2019-20003

Exploitation of this vulnerability can lead to unauthorized access, data theft, and potential compromise of the affected system's integrity.

Technical Details of CVE-2019-20003

Focusing on the technical aspects of this CVE:

Vulnerability Description

The vulnerability in easescreen Crystal 9.0 Web-Services 9.0.1.16265 allows for Stored XSS via the Debug-Log and Display-Log components.

Affected Systems and Versions

Product: Feldtech easescreen Crystal 9.0 Web-Services 9.0.1.16265
Vendor: Feldtech
Version: 9.0.1.16265

Exploitation Mechanism

Attackers can exploit this vulnerability by using specifically crafted strings during FTP authentication.

Mitigation and Prevention

Protecting systems from CVE-2019-20003:

Immediate Steps to Take

Implement input validation to prevent malicious strings from being processed.
Regularly monitor and analyze system logs for any suspicious activities.
Consider restricting FTP access to trusted entities only.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate users and administrators on secure coding practices and the risks of XSS attacks.

Patching and Updates

Apply patches or updates provided by Feldtech to address the vulnerability in easescreen Crystal 9.0 Web-Services.