CVE-2019-5874 : Exploit Details and Defense Strategies

Google Chrome before version 77.0.3865.75 on Windows had a vulnerability allowing a remote attacker to bypass navigation restrictions via a crafted HTML page.

Understanding CVE-2019-5874

Before version 77.0.3865.75, Google Chrome for Windows had a filtering system issue that could be exploited for policy bypass.

What is CVE-2019-5874?

This CVE refers to insufficient filtering in URI schemes in Google Chrome on Windows, enabling a remote attacker to bypass navigation restrictions using a specially crafted HTML page.

The Impact of CVE-2019-5874

The vulnerability allowed a remote attacker to bypass navigation restrictions, potentially leading to unauthorized access or further exploitation of the affected system.

Technical Details of CVE-2019-5874

Google Chrome version 77.0.3865.75 and below on Windows were affected by this vulnerability.

Vulnerability Description

The issue stemmed from insufficient filtering in URI schemes, enabling a remote attacker to bypass navigation restrictions.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Less than 77.0.3865.75

Exploitation Mechanism

A remote attacker could exploit this vulnerability by using a specially crafted HTML page to bypass navigation restrictions.

Mitigation and Prevention

Immediate Steps to Take:

Update Google Chrome to version 77.0.3865.75 or later.
Exercise caution when browsing untrusted websites.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement network security measures to detect and prevent similar attacks.
Educate users on safe browsing practices and potential security risks.

Patching and Updates

Ensure timely installation of security patches and updates to address known vulnerabilities.