CVE-2018-6103 : Security Advisory and Response

In previous versions of Google Chrome, specifically before 66.0.3359.117, a permission prompt in Prompts was not functioning properly. A remote attacker could exploit this issue by creating a carefully designed HTML page to bypass permission policies.

Understanding CVE-2018-6103

This CVE entry relates to a security vulnerability in Google Chrome that allowed for the bypassing of permission policies through a specific HTML page.

What is CVE-2018-6103?

CVE-2018-6103 is a vulnerability in Google Chrome versions prior to 66.0.3359.117 that enabled a remote attacker to manipulate permission prompts using a crafted HTML page.

The Impact of CVE-2018-6103

The vulnerability could be exploited by malicious actors to bypass permission policies, potentially leading to unauthorized access or other security breaches.

Technical Details of CVE-2018-6103

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

Vulnerability Description

A stagnant permission prompt in Prompts in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to bypass permission policy via a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 66.0.3359.117

Exploitation Mechanism

Attackers could exploit the vulnerability by creating a carefully designed HTML page to manipulate permission prompts.

Mitigation and Prevention

Steps to address and prevent the CVE exploit.

Immediate Steps to Take

Update Google Chrome to version 66.0.3359.117 or later.
Avoid clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Regularly update browsers and software to the latest versions.
Implement strong security policies and educate users on safe browsing practices.

Patching and Updates

Google released a fix in version 66.0.3359.117 to address this vulnerability.