CVE-2018-18966 Explained : Impact and Mitigation

This CVE-2018-18966 article provides insights into a security vulnerability in osCommerce 2.3.4.1 related to incomplete '.htaccess' blacklist filtering for the "product" page.

Understanding CVE-2018-18966

This section delves into the details of the CVE-2018-18966 vulnerability.

What is CVE-2018-18966?

CVE-2018-18966 highlights an issue in osCommerce 2.3.4.1 where the '.htaccess' file lacks complete blacklist filtering for the "product" page, leaving a potential security gap.

The Impact of CVE-2018-18966

The vulnerability allows Internet Explorer to display HTML elements within .eml files due to insufficient filtering in the catalog/images/ folder.

Technical Details of CVE-2018-18966

Explore the technical aspects of CVE-2018-18966.

Vulnerability Description

The '.htaccess' file in osCommerce 2.3.4.1 inadequately filters the "product" page, specifically in the catalog/images/ directory, where only the html extension is blocked.

Affected Systems and Versions

Affected Versions: osCommerce 2.3.4.1
Affected Component: '.htaccess' file

Exploitation Mechanism

The vulnerability enables Internet Explorer to render HTML elements within .eml files, potentially leading to security breaches.

Mitigation and Prevention

Learn how to address and prevent CVE-2018-18966.

Immediate Steps to Take

Review and update the '.htaccess' file to include comprehensive blacklist filtering for the "product" page.
Monitor for any unusual activities or unauthorized access.

Long-Term Security Practices

Regularly audit and enhance security configurations to prevent similar vulnerabilities.
Educate users on safe browsing practices to mitigate potential risks.

Patching and Updates

Stay informed about security patches and updates from osCommerce to address this vulnerability effectively.