CVE-2019-13673 : Security Advisory and Response

Google Chrome before version 77.0.3865.75 was vulnerable to insufficient data validation in developer tools, allowing remote attackers to disclose cross-origin data.

Understanding CVE-2019-13673

Before version 77.0.3865.75 of Google Chrome, a lack of adequate data validation in the developer tools posed a security risk.

What is CVE-2019-13673?

This CVE refers to a vulnerability in Google Chrome that enabled remote attackers to expose cross-origin data through a specially-crafted HTML page.

The Impact of CVE-2019-13673

The vulnerability allowed remote attackers to deliberately disclose cross-origin data, potentially leading to unauthorized access to sensitive information.

Technical Details of CVE-2019-13673

Google Chrome's vulnerability stemmed from insufficient data validation in its developer tools.

Vulnerability Description

Before version 77.0.3865.75, Google Chrome lacked proper data validation, enabling attackers to leak cross-origin data via a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 77.0.3865.75

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker through a specially-crafted HTML page to disclose cross-origin data.

Mitigation and Prevention

To address CVE-2019-13673, users and organizations should take immediate and long-term security measures.

Immediate Steps to Take

Update Google Chrome to version 77.0.3865.75 or later.
Avoid visiting untrusted websites or clicking on suspicious links.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement network security measures to detect and prevent unauthorized access.
Educate users on safe browsing practices and the importance of security updates.

Patching and Updates

Google released a stable channel update for desktop to address this vulnerability. Users should ensure their Chrome browser is updated to the latest version.