CVE-2019-13761 Explained : Impact and Mitigation

Google Chrome before version 79.0.3945.79 had a security issue in the Omnibox, allowing attackers to deceive users with crafted domain names using IDN homographs.

Understanding CVE-2019-13761

This CVE entry describes a vulnerability in Google Chrome that could lead to domain spoofing attacks.

What is CVE-2019-13761?

Before version 79.0.3945.79 of Google Chrome, a security UI problem in the Omnibox allowed attackers to trick users with deceptive domain names.

The Impact of CVE-2019-13761

The vulnerability enabled remote attackers to perform domain spoofing through IDN homographs using a specially crafted domain name.

Technical Details of CVE-2019-13761

Google Chrome's security flaw is detailed below:

Vulnerability Description

Type: Incorrect security UI
Description: Security issue in Omnibox allowing domain spoofing

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 79.0.3945.79

Exploitation Mechanism

Attackers could deceive users by using crafted domain names with IDN homographs.

Mitigation and Prevention

Protect your systems from CVE-2019-13761 with these measures:

Immediate Steps to Take

Update Google Chrome to version 79.0.3945.79 or newer.
Be cautious when interacting with unfamiliar websites.

Long-Term Security Practices

Educate users on recognizing suspicious domain names.
Implement security awareness training for employees.

Patching and Updates

Regularly update Google Chrome to the latest version to patch security vulnerabilities.