CVE-2019-5880 : What You Need to Know

A vulnerability was identified in Google Chrome versions earlier than 77.0.3865.75, specifically in the Blink engine, resulting in inadequate implementation of security measures. Exploiting this vulnerability, an attacker situated remotely could exfiltrate cross-origin data by exploiting a specially crafted HTML page.

Understanding CVE-2019-5880

This CVE relates to insufficient policy enforcement in Google Chrome, allowing a remote attacker to leak cross-origin data.

What is CVE-2019-5880?

CVE-2019-5880 is a security vulnerability found in Google Chrome versions prior to 77.0.3865.75, affecting the Blink engine.

The Impact of CVE-2019-5880

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

Technical Details of CVE-2019-5880

This section provides technical details about the vulnerability.

Vulnerability Description

The vulnerability in Blink in Google Chrome before version 77.0.3865.75 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 77.0.3865.75
Version Type: Custom

Exploitation Mechanism

The vulnerability could be exploited remotely by an attacker using a specially crafted HTML page to exfiltrate cross-origin data.

Mitigation and Prevention

To address CVE-2019-5880, follow these mitigation and prevention steps.

Immediate Steps to Take

Update Google Chrome to version 77.0.3865.75 or later.
Avoid visiting untrusted websites or clicking on suspicious links.
Implement network security measures to detect and block malicious activities.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Educate users on safe browsing practices and cybersecurity awareness.
Employ security tools like firewalls and antivirus software to enhance protection.

Patching and Updates

Google released a patch addressing this vulnerability in Chrome version 77.0.3865.75.
Ensure timely installation of security updates to stay protected from known vulnerabilities.