CVE-2018-6096 Explained : Impact and Mitigation
Learn about CVE-2018-6096, a vulnerability in Google Chrome allowing attackers to hide full screen warnings. Find out how to mitigate and prevent this security issue.
Google Chrome before version 66.0.3359.117 allowed a remote attacker to hide the full screen warning by overlapping a JavaScript-focused window with the fullscreen notification.
Understanding CVE-2018-6096
Before version 66.0.3359.117 of Google Chrome, a vulnerability allowed attackers to obscure the full screen warning using a specially crafted HTML page.
What is CVE-2018-6096?
This CVE refers to a security issue in Google Chrome where a JavaScript-focused window could overlap the fullscreen notification, enabling a remote attacker to hide the warning.
The Impact of CVE-2018-6096
The vulnerability could be exploited by a remote attacker to deceive users by concealing the full screen warning, potentially leading to further malicious actions.
Technical Details of CVE-2018-6096
Google Chrome version 66.0.3359.117 and below were affected by this vulnerability.
Vulnerability Description
A JavaScript-focused window overlapping the fullscreen notification in Google Chrome allowed attackers to hide the warning using a crafted HTML page.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: < 66.0.3359.117
Exploitation Mechanism
Attackers could exploit this vulnerability by creating a specially designed HTML page that overlapped the JavaScript-focused window with the fullscreen notification.
Mitigation and Prevention
To address CVE-2018-6096, users and organizations should take immediate and long-term security measures.
Immediate Steps to Take
- Update Google Chrome to version 66.0.3359.117 or newer to mitigate the vulnerability.
- Be cautious while interacting with unknown or suspicious websites to prevent potential exploitation.
Long-Term Security Practices
- Regularly update browsers and software to the latest versions to patch known vulnerabilities.
- Implement security best practices such as using ad blockers and avoiding clicking on unverified links.
Patching and Updates
- Google released a fix in version 66.0.3359.117 to address this vulnerability. Ensure all systems are updated to the patched version.