CVE-2020-12424 : Exploit Details and Defense Strategies

A vulnerability in Firefox < 78 could allow bypassing the WebRTC permission prompt, potentially compromising user security.

Understanding CVE-2020-12424

This CVE identifies a security flaw in Firefox versions below 78 that could be exploited to bypass the WebRTC permission prompt.

What is CVE-2020-12424?

When constructing a permission prompt for WebRTC, a URI from the content process was untrusted, potentially allowing the bypass of the prompt, affecting Firefox versions below 78.

The Impact of CVE-2020-12424

The vulnerability could enable a compromised content process to bypass the WebRTC permission prompt, potentially leading to unauthorized access or actions.

Technical Details of CVE-2020-12424

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in Firefox < 78 allows untrusted URIs from the content process to bypass the WebRTC permission prompt, posing a security risk.

Affected Systems and Versions

Product: Firefox
Vendor: Mozilla
Versions Affected: < 78

Exploitation Mechanism

The vulnerability could be exploited by supplying an untrusted URI from the content process, potentially bypassing the WebRTC permission prompt.

Mitigation and Prevention

Protecting systems from CVE-2020-12424 is crucial to maintaining security.

Immediate Steps to Take

Update Firefox to version 78 or higher to mitigate the vulnerability.
Exercise caution when granting permissions to websites using WebRTC.

Long-Term Security Practices

Regularly update browsers and software to the latest versions.
Implement secure browsing practices and be cautious when interacting with unknown websites.

Patching and Updates

Apply security patches and updates promptly to ensure protection against known vulnerabilities.