CVE-2019-13718 : Security Advisory and Response

Google Chrome before version 78.0.3904.70 had a vulnerability in the Omnibox that allowed domain spoofing through IDN homographs.

Understanding CVE-2019-13718

Before version 78.0.3904.70 of Google Chrome, there was a lack of proper validation of data in the Omnibox, enabling domain spoofing.

What is CVE-2019-13718?

Insufficient data validation in the Omnibox of Google Chrome allowed remote attackers to engage in domain spoofing using IDN homographs.

The Impact of CVE-2019-13718

Attackers could manipulate domain names maliciously, leading to domain spoofing and potential security breaches.

Technical Details of CVE-2019-13718

Google Chrome vulnerability details and affected systems.

Vulnerability Description

Lack of proper data validation in the Omnibox of Google Chrome before version 78.0.3904.70.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 78.0.3904.70

Exploitation Mechanism

Attackers exploited the vulnerability by using IDN homographs to manipulate domain names maliciously.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2019-13718 vulnerability.

Immediate Steps to Take

Update Google Chrome to version 78.0.3904.70 or newer.
Be cautious while entering sensitive information on websites.

Long-Term Security Practices

Regularly update browsers and other software to the latest versions.
Educate users about the risks of domain spoofing and phishing attacks.

Patching and Updates

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