CVE-2019-5823 : Security Advisory and Response
Learn about CVE-2019-5823, a vulnerability in Google Chrome service workers allowing remote attackers to bypass navigation restrictions. Find mitigation steps and updates here.
Google Chrome before version 74.0.3729.108 had a vulnerability in service workers that allowed a remote attacker to bypass navigation restrictions.
Understanding CVE-2019-5823
Before version 74.0.3729.108 of Google Chrome, there was a problem with service workers where policies were not adequately enforced. This issue allowed a remote attacker to bypass navigation restrictions by using a specially designed HTML page.
What is CVE-2019-5823?
- Vulnerability in service workers in Google Chrome before version 74.0.3729.108
- Allowed a remote attacker to bypass navigation restrictions
The Impact of CVE-2019-5823
- Remote attackers could exploit the vulnerability to bypass navigation restrictions
Technical Details of CVE-2019-5823
Google Chrome vulnerability details
Vulnerability Description
- Insufficient policy enforcement in service workers
- Remote attacker could bypass navigation restrictions via a crafted HTML page
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions affected: < 74.0.3729.108
Exploitation Mechanism
- Remote attacker uses a specially designed HTML page to bypass navigation restrictions
Mitigation and Prevention
Protecting against CVE-2019-5823
Immediate Steps to Take
- Update Google Chrome to version 74.0.3729.108 or higher
- Be cautious when visiting unknown websites
Long-Term Security Practices
- Regularly update browsers and security software
- Educate users on safe browsing habits
Patching and Updates
- Apply security patches promptly to ensure protection against known vulnerabilities