CVE-2020-6490 : What You Need to Know

Google Chrome prior to 83.0.4103.61 is affected by insufficient data validation in the loader, enabling a remote attacker to leak cross-origin data.

Understanding CVE-2020-6490

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

What is CVE-2020-6490?

CVE-2020-6490 is a vulnerability in Google Chrome that allows a remote attacker to leak cross-origin data through a crafted HTML page due to insufficient data validation.

The Impact of CVE-2020-6490

The vulnerability in Google Chrome could be exploited by an attacker who can write to disk, potentially leading to the leakage of sensitive cross-origin data.

Technical Details of CVE-2020-6490

Google Chrome version prior to 83.0.4103.61 is affected by this vulnerability.

Vulnerability Description

The issue arises from insufficient data validation in the loader component of Google Chrome.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions affected: < 83.0.4103.61

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker who has the ability to write to disk, using a specially crafted HTML page to leak cross-origin data.

Mitigation and Prevention

To address CVE-2020-6490, users and organizations should take immediate and long-term security measures.

Immediate Steps to Take

Update Google Chrome to version 83.0.4103.61 or newer.
Avoid visiting untrusted websites or clicking on suspicious links.
Implement strict data validation practices in web applications.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Educate users on safe browsing habits and cybersecurity best practices.

Patching and Updates

Stay informed about security advisories and patches released by Google Chrome.