CVE-2020-6439 : Exploit Details and Defense Strategies
Learn about CVE-2020-6439, a vulnerability in Google Chrome allowing remote attackers to bypass security UI via a crafted HTML page. Find out how to mitigate and prevent this issue.
Google Chrome prior to 81.0.4044.92 had an issue with policy enforcement during navigations, allowing a remote attacker to bypass security UI.
Understanding CVE-2020-6439
Insufficient policy enforcement in Google Chrome allowed a crafted HTML page to bypass security UI.
What is CVE-2020-6439?
- Vulnerability in Google Chrome before version 81.0.4044.92
- Remote attacker could bypass security UI via a malicious HTML page
The Impact of CVE-2020-6439
- Remote attackers could exploit the vulnerability to bypass security measures
- Potential for unauthorized access to sensitive information
Technical Details of CVE-2020-6439
Google Chrome vulnerability details
Vulnerability Description
- Insufficient policy enforcement in navigations
- Exploitable via a crafted HTML page
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions affected: < 81.0.4044.92
Exploitation Mechanism
- Remote attacker crafts a malicious HTML page
- By navigating to the page, security UI can be bypassed
Mitigation and Prevention
Protecting against CVE-2020-6439
Immediate Steps to Take
- Update Google Chrome to version 81.0.4044.92 or newer
- Be cautious of browsing untrusted websites
Long-Term Security Practices
- Regularly update browsers and security software
- Educate users on safe browsing habits
Patching and Updates
- Apply security patches promptly
- Monitor vendor advisories for future updates