CVE-2020-6566 Explained : Impact and Mitigation

Google Chrome prior to 85.0.4183.83 is affected by insufficient policy enforcement in media, allowing a remote attacker to leak cross-origin data via a crafted HTML page.

Understanding CVE-2020-6566

This CVE involves a security vulnerability in Google Chrome that could lead to data leakage.

What is CVE-2020-6566?

CVE-2020-6566 is a vulnerability in Google Chrome versions prior to 85.0.4183.83 that enables a remote attacker to leak cross-origin data through a specially crafted HTML page.

The Impact of CVE-2020-6566

The vulnerability allows attackers to access sensitive data from other origins, potentially leading to privacy breaches and unauthorized access to user information.

Technical Details of CVE-2020-6566

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The vulnerability arises from insufficient policy enforcement in media within Google Chrome, which can be exploited by a remote attacker.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 85.0.4183.83

Exploitation Mechanism

Attackers can exploit this vulnerability by creating a malicious HTML page to extract cross-origin data from unsuspecting users.

Mitigation and Prevention

Protecting systems from CVE-2020-6566 requires immediate action and long-term security measures.

Immediate Steps to Take

Update Google Chrome to version 85.0.4183.83 or later to mitigate the vulnerability.
Avoid clicking on suspicious links or visiting untrusted websites to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update browsers and software to patch known vulnerabilities.
Implement strong security protocols and educate users on safe browsing practices.

Patching and Updates

Google has released updates addressing this vulnerability. Ensure all systems are updated to the latest version of Chrome to prevent exploitation.