CVE-2019-13713 : Security Advisory and Response

Google Chrome before version 78.0.3904.70 had a vulnerability in JavaScript that allowed a remote attacker to leak cross-origin data through a specially crafted HTML page.

Understanding CVE-2019-13713

This CVE relates to a lack of policy enforcement in JavaScript in Google Chrome, enabling a remote attacker to expose cross-origin data.

What is CVE-2019-13713?

Before version 78.0.3904.70, a vulnerability in Google Chrome allowed attackers to exploit JavaScript to access cross-origin data.

The Impact of CVE-2019-13713

The vulnerability could be exploited by a remote attacker to leak sensitive cross-origin data, posing a risk to user privacy and security.

Technical Details of CVE-2019-13713

Google Chrome's vulnerability in JavaScript and its impact on data security.

Vulnerability Description

The issue stemmed from insufficient policy enforcement in JavaScript, leading to unauthorized access to cross-origin data.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 78.0.3904.70

Exploitation Mechanism

Attackers could exploit a specially crafted HTML page to access cross-origin data remotely.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-13713 vulnerability.

Immediate Steps to Take

Update Google Chrome to version 78.0.3904.70 or higher to mitigate the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update browsers and software to the latest versions.
Implement strong security measures to protect against cross-origin data leaks.

Patching and Updates

Google released a fix in version 78.0.3904.70 to address the vulnerability.