CVE-2017-15391 Explained : Impact and Mitigation

Google Chrome prior to 62.0.3202.62 had a vulnerability due to insufficient policy enforcement, allowing remote attackers unauthorized access to Extension pages.

Understanding CVE-2017-15391

This CVE relates to a security issue in Google Chrome versions earlier than 62.0.3202.62, enabling attackers to access Extension pages without proper authorization.

What is CVE-2017-15391?

The vulnerability stemmed from a lack of proper policy enforcement in Google Chrome versions prior to 62.0.3202.62, enabling remote attackers to exploit a specially crafted HTML page to access Extension pages without authorization.

The Impact of CVE-2017-15391

The security flaw allowed unauthorized access to Extension pages, potentially leading to data breaches, unauthorized actions, and compromise of user information.

Technical Details of CVE-2017-15391

Google Chrome's vulnerability due to insufficient policy enforcement had the following technical aspects:

Vulnerability Description

Insufficient policy enforcement in Extensions in Google Chrome versions prior to 62.0.3202.62

Affected Systems and Versions

Product: Google Chrome prior to 62.0.3202.62
Versions: Google Chrome prior to 62.0.3202.62

Exploitation Mechanism

Remote attackers could exploit the vulnerability by utilizing a specifically designed HTML page.

Mitigation and Prevention

To address CVE-2017-15391, consider the following mitigation strategies:

Immediate Steps to Take

Update Google Chrome to version 62.0.3202.62 or later
Avoid visiting untrusted websites or clicking on suspicious links
Implement network security measures to detect and block malicious activities

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities
Educate users on safe browsing practices and the importance of software updates

Patching and Updates

Google released a stable channel update addressing the vulnerability