CVE-2020-6562 : Vulnerability Insights and Analysis

Google Chrome prior to 85.0.4183.83 is affected by insufficient policy enforcement in Blink, allowing a remote attacker to leak cross-origin data.

Understanding CVE-2020-6562

What is CVE-2020-6562?

Insufficient policy enforcement in Blink in Google Chrome prior to 85.0.4183.83 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

The Impact of CVE-2020-6562

This vulnerability could be exploited by a remote attacker to access sensitive cross-origin data, potentially leading to unauthorized access or data leakage.

Technical Details of CVE-2020-6562

Vulnerability Description

The issue lies in the insufficient policy enforcement in Blink in Google Chrome versions prior to 85.0.4183.83, enabling the leakage of cross-origin data through a maliciously crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 85.0.4183.83

Exploitation Mechanism

The vulnerability can be exploited remotely by enticing a user to visit a specially crafted HTML page, allowing the attacker to access sensitive cross-origin data.

Mitigation and Prevention

Immediate Steps to Take

Update Google Chrome to version 85.0.4183.83 or later to mitigate the vulnerability.
Exercise caution when visiting untrusted websites to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update browsers and software to the latest versions to patch known vulnerabilities.
Implement security best practices such as using secure connections (HTTPS) and avoiding clicking on suspicious links.
Employ security tools like firewalls and antivirus software to enhance overall protection.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google Chrome to address known vulnerabilities.