CVE-2020-16034 : Exploit Details and Defense Strategies

Google Chrome prior to 87.0.4280.66 has a vulnerability in WebRTC that allows a local attacker to bypass policy restrictions via a crafted HTML page.

Understanding CVE-2020-16034

This CVE identifies an inappropriate implementation issue in Google Chrome.

What is CVE-2020-16034?

Inappropriate implementation in WebRTC in Google Chrome before version 87.0.4280.66 enables a local attacker to circumvent policy restrictions using a specially crafted HTML page.

The Impact of CVE-2020-16034

This vulnerability could be exploited by a local attacker to bypass security policies, potentially leading to unauthorized access or further attacks.

Technical Details of CVE-2020-16034

Google Chrome's vulnerability in WebRTC has the following technical details:

Vulnerability Description

The flaw in WebRTC in Chrome versions prior to 87.0.4280.66 allows a local attacker to bypass policy restrictions through a malicious HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 87.0.4280.66 (unspecified version type)

Exploitation Mechanism

The vulnerability can be exploited locally by leveraging the inappropriate implementation in WebRTC to craft a malicious HTML page.

Mitigation and Prevention

To address CVE-2020-16034, consider the following mitigation strategies:

Immediate Steps to Take

Update Google Chrome to version 87.0.4280.66 or newer.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement security best practices to prevent and detect potential vulnerabilities.

Patching and Updates

Stay informed about security updates for Google Chrome and apply patches promptly to mitigate known vulnerabilities.