CVE-2020-6408 : Security Advisory and Response

Google Chrome prior to 80.0.3987.87 had a vulnerability that allowed a local attacker to access sensitive information through a crafted HTML page.

Understanding CVE-2020-6408

Insufficient policy enforcement in CORS in Google Chrome allowed for potential information exposure.

What is CVE-2020-6408?

Vulnerability in Google Chrome prior to version 80.0.3987.87
Local attacker could exploit it to access sensitive data via a malicious HTML page

The Impact of CVE-2020-6408

Local attackers could obtain potentially sensitive information

Technical Details of CVE-2020-6408

Google Chrome vulnerability details

Vulnerability Description

Insufficient policy enforcement in CORS
Local attacker could access sensitive data through a crafted HTML page

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions affected: < 80.0.3987.87

Exploitation Mechanism

Local attacker crafts a malicious HTML page to exploit the vulnerability

Mitigation and Prevention

Protecting against CVE-2020-6408

Immediate Steps to Take

Update Google Chrome to version 80.0.3987.87 or later
Avoid visiting untrusted websites
Exercise caution when interacting with unknown or suspicious links

Long-Term Security Practices

Regularly update browsers and software to the latest versions
Implement proper CORS policies and security measures

Patching and Updates

Apply security patches and updates promptly to mitigate vulnerabilities