CVE-2019-13763 : Security Advisory and Response

Google Chrome versions prior to 79.0.3945.79 were vulnerable to insufficient policy enforcement in payments, allowing remote attackers to extract cross-origin data.

Understanding CVE-2019-13763

The vulnerability in Google Chrome allowed attackers to leak cross-origin data by exploiting a flaw in payment policy enforcement.

What is CVE-2019-13763?

The vulnerability in Chrome versions before 79.0.3945.79 enabled remote attackers to extract cross-origin data.

The Impact of CVE-2019-13763

Attackers who compromised the renderer process could exploit this flaw to extract sensitive data.

Technical Details of CVE-2019-13763

The technical details of the vulnerability in Google Chrome.

Vulnerability Description

Insufficient policy enforcement in payments in Chrome versions prior to 79.0.3945.79 allowed remote attackers to leak cross-origin data.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 79.0.3945.79

Exploitation Mechanism

Attackers who had already compromised the renderer process could utilize a carefully constructed HTML page to extract cross-origin data.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-13763.

Immediate Steps to Take

Update Chrome to version 79.0.3945.79 or later.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update Chrome and other software to the latest versions.
Implement strong security measures such as firewalls and antivirus programs.
Educate users about safe browsing practices.

Patching and Updates

Google released patches to address this vulnerability, so ensure Chrome is updated to the latest version.