CVE-2017-16843 : Security Advisory and Response

Vulnerability in Vonage VDV-23 115 3.2.11-0.9.40 devices allows stored XSS attacks.

Understanding CVE-2017-16843

What is CVE-2017-16843?

The devices with the model number Vonage VDV-23 115 3.2.11-0.9.40 are vulnerable to stored XSS attacks. These attacks can occur through the input fields labeled as NewKeyword or NewDomain, specifically when submitting data to the /goform/RgParentalBasic endpoint.

The Impact of CVE-2017-16843

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

Technical Details of CVE-2017-16843

Vulnerability Description

Vonage VDV-23 115 3.2.11-0.9.40 devices have stored XSS via the NewKeyword or NewDomain field to /goform/RgParentalBasic.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious scripts into the NewKeyword or NewDomain input fields and submitting them to the /goform/RgParentalBasic endpoint.

Mitigation and Prevention

Immediate Steps to Take

Disable or restrict access to the vulnerable input fields NewKeyword and NewDomain.
Regularly monitor and filter user inputs to detect and prevent XSS attacks.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs effectively.
Educate users about safe browsing practices and the risks of interacting with untrusted websites.

Patching and Updates

Contact the vendor for patches or updates to address the XSS vulnerability in Vonage VDV-23 115 3.2.11-0.9.40 devices.