CVE-2019-13727 : Vulnerability Insights and Analysis

A vulnerability in WebSockets in Google Chrome versions prior to 79.0.3945.79 allowed a remote attacker to bypass the same origin policy by using a specifically created HTML page.

Understanding CVE-2019-13727

This CVE relates to an insufficient policy enforcement issue in Google Chrome.

What is CVE-2019-13727?

CVE-2019-13727 is a vulnerability in WebSockets in Google Chrome versions before 79.0.3945.79 that enabled a remote attacker to bypass the same origin policy.

The Impact of CVE-2019-13727

The vulnerability allowed attackers to circumvent security policies, potentially leading to unauthorized access and data theft.

Technical Details of CVE-2019-13727

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in WebSockets in Google Chrome versions prior to 79.0.3945.79 resulted in inadequate enforcement of policies, enabling a remote attacker to bypass the same origin policy.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 79.0.3945.79
Version Type: Custom

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker through a specifically crafted HTML page to bypass security policies.

Mitigation and Prevention

Protecting systems from CVE-2019-13727 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 79.0.3945.79 or newer to mitigate the vulnerability.
Avoid visiting untrusted websites or clicking on suspicious links.
Implement network security measures to detect and block malicious WebSocket connections.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Educate users on safe browsing habits and the importance of security updates.

Patching and Updates

Ensure timely installation of security patches and updates provided by Google Chrome to address vulnerabilities like CVE-2019-13727.