CVE-2019-13666 Explained : Impact and Mitigation

Google Chrome before version 77.0.3865.75 had a vulnerability that allowed unauthorized disclosure of cross-origin data.

Understanding CVE-2019-13666

A flaw in the storage feature of Google Chrome led to the exposure of cross-origin data to remote attackers.

What is CVE-2019-13666?

This CVE describes an information leak in the storage feature of Google Chrome, enabling a remote attacker to access cross-origin data through a specially crafted HTML page.

The Impact of CVE-2019-13666

The vulnerability could result in the unauthorized disclosure of sensitive information to malicious actors, compromising user data confidentiality.

Technical Details of CVE-2019-13666

Google Chrome vulnerability details and affected systems.

Vulnerability Description

The flaw in Chrome allowed a remote attacker to leak cross-origin data by exploiting the storage feature before version 77.0.3865.75.

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 designed HTML page to access cross-origin data.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-13666.

Immediate Steps to Take

Update Google Chrome to version 77.0.3865.75 or newer to patch the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update browsers and software to the latest versions to ensure protection against known vulnerabilities.
Implement network security measures and use security tools to detect and prevent unauthorized access.

Patching and Updates

Stay informed about security updates for Google Chrome and apply patches promptly to address any known vulnerabilities.