CVE-2019-5773 : Security Advisory and Response

Google Chrome before version 72.0.3626.81 had a vulnerability in IndexedDB, allowing a remote attacker to bypass the same origin policy.

Understanding CVE-2019-5773

Before version 72.0.3626.81, Google Chrome had a vulnerability in IndexedDB which led to inadequate origin validation. This flaw could be exploited by a remote attacker who had gained control of the renderer process. By using a specially crafted HTML page, the attacker could bypass the same origin policy.

What is CVE-2019-5773?

This CVE refers to the insufficient origin validation in IndexedDB in Google Chrome prior to version 72.0.3626.81, enabling a remote attacker who compromised the renderer process to bypass the same origin policy through a crafted HTML page.

The Impact of CVE-2019-5773

A remote attacker could exploit this vulnerability to bypass the same origin policy in Google Chrome.

Technical Details of CVE-2019-5773

Google Chrome IndexedDB vulnerability details:

Vulnerability Description

The vulnerability in IndexedDB in Google Chrome allowed a remote attacker who compromised the renderer process to bypass the same origin policy using a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 72.0.3626.81

Exploitation Mechanism

Attackers could exploit this vulnerability by gaining control of the renderer process and using a specially crafted HTML page.

Mitigation and Prevention

Protect your system from CVE-2019-5773:

Immediate Steps to Take

Update Google Chrome to version 72.0.3626.81 or higher to mitigate the vulnerability.
Be cautious while browsing and avoid clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Regularly update your browser and other software to the latest versions to patch known vulnerabilities.

Patching and Updates

Stay informed about security updates for Google Chrome and apply them promptly to ensure protection against potential threats.