CVE-2019-5803 : Security Advisory and Response

Google Chrome prior to version 73.0.3683.75 had a vulnerability in Content Security Policy enforcement, allowing remote attackers to bypass security measures.

Understanding CVE-2019-5803

This CVE relates to a lack of policy enforcement in Google Chrome, enabling attackers to circumvent security protocols.

What is CVE-2019-5803?

The vulnerability in Chrome before version 73.0.3683.75 allowed remote attackers to bypass Content Security Policy using a specially crafted HTML page.

The Impact of CVE-2019-5803

A remote attacker could exploit this vulnerability to evade security restrictions and potentially execute malicious code.

Technical Details of CVE-2019-5803

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

Insufficient policy enforcement in Content Security Policy in Google Chrome prior to 73.0.3683.75 enabled remote attackers to bypass security measures through a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: Prior to 73.0.3683.75

Exploitation Mechanism

Attackers could exploit this vulnerability by creating a specifically crafted HTML page to bypass the Content Security Policy.

Mitigation and Prevention

Protecting systems from CVE-2019-5803 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Google Chrome to version 73.0.3683.75 or later to mitigate the vulnerability.
Regularly monitor security advisories and apply patches promptly.

Long-Term Security Practices

Implement strict Content Security Policies to prevent similar bypasses.
Educate users on safe browsing practices and potential security risks.

Patching and Updates

Stay informed about security updates from Google Chrome and apply patches as soon as they are available.