CVE-2018-18572 : Vulnerability Insights and Analysis

osCommerce 2.3.4.1 has a vulnerability in its '.htaccess' file that allows remote authenticated administrators to execute arbitrary PHP code by uploading '.pht' files.

Understanding CVE-2018-18572

What is CVE-2018-18572?

The CVE-2018-18572 vulnerability in osCommerce 2.3.4.1 allows remote authenticated administrators to bypass blacklist filtering and execute arbitrary PHP code by uploading '.pht' files.

The Impact of CVE-2018-18572

This vulnerability enables attackers to execute malicious PHP code within the application, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2018-18572

Vulnerability Description

The '.htaccess' file in osCommerce 2.3.4.1 does not fully implement blacklist filtering on the "product" page, allowing the execution of PHP code via '.pht' files.

Affected Systems and Versions

Product: osCommerce 2.3.4.1
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Remote authenticated administrators can exploit this vulnerability by uploading '.pht' files through the /catalog/admin/categories.php?cPath=&action=new_product URI.

Mitigation and Prevention

Immediate Steps to Take

Disable file uploads in the affected application if not essential.
Implement strict file type validation to prevent the upload of malicious files.
Regularly monitor and review uploaded files for any suspicious activity.

Long-Term Security Practices

Keep the application and server software up to date to patch known vulnerabilities.
Conduct regular security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

Ensure that osCommerce is updated to the latest version to mitigate the CVE-2018-18572 vulnerability.