CVE-2019-3916 Explained : Impact and Mitigation

A vulnerability has been identified in the firmware version 02.01.00.05 of Verizon Fios Quantum Gateway (G1100) that allows an external attacker to retrieve the password salt value.

Understanding CVE-2019-3916

This CVE involves an information disclosure vulnerability in the Verizon Fios Quantum Gateway (G1100) firmware version 02.01.00.05.

What is CVE-2019-3916?

The vulnerability allows a remote, unauthenticated attacker to retrieve the password salt value by requesting an API URL through a web browser.

The Impact of CVE-2019-3916

The exploitation of this vulnerability can lead to the disclosure of sensitive information, compromising the security and privacy of affected users.

Technical Details of CVE-2019-3916

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the firmware version 02.01.00.05 of Verizon Fios Quantum Gateway (G1100) enables attackers to extract the password salt value through a simple API URL request.

Affected Systems and Versions

Product: Fios Quantum Gateway (G1100)
Vendor: Verizon
Firmware Version: 02.01.00.05

Exploitation Mechanism

Attackers can exploit this vulnerability remotely and without authentication by initiating a request for an API URL (e.g., /api) via a web browser.

Mitigation and Prevention

Protecting systems from CVE-2019-3916 is crucial to maintaining security.

Immediate Steps to Take

Update the firmware to a patched version that addresses the vulnerability.
Monitor network traffic for any suspicious activity that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update firmware and software to mitigate potential vulnerabilities.
Implement strong access controls and authentication mechanisms to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories from the vendor and apply patches promptly to secure systems.