CVE-2018-18965 : What You Need to Know

This CVE-2018-18965 article provides insights into a security vulnerability in osCommerce 2.3.4.1 related to inadequate '.htaccess' file configuration.

Understanding CVE-2018-18965

This CVE involves a flaw in blacklist filtering within the "product" page of osCommerce 2.3.4.1, allowing HTML execution in certain scenarios.

What is CVE-2018-18965?

osCommerce 2.3.4.1's '.htaccess' file in catalog/images/ inadequately blocks HTML files, enabling HTML execution in various file types.

The Impact of CVE-2018-18965

The vulnerability allows malicious actors to execute HTML code through files with no extension or unrecognized extensions, bypassing the intended filtering.

Technical Details of CVE-2018-18965

This section delves into the specifics of the vulnerability.

Vulnerability Description

The '.htaccess' file in osCommerce 2.3.4.1 fails to effectively block HTML execution, leading to potential security risks.

Affected Systems and Versions

Affected Product: osCommerce 2.3.4.1
Vendor: Not applicable
Affected Version: Not applicable

Exploitation Mechanism

The flaw allows attackers to upload files with HTML content, evading the blacklist filtering, and potentially compromising the system.

Mitigation and Prevention

Protecting systems from CVE-2018-18965 requires immediate actions and long-term security measures.

Immediate Steps to Take

Review and update the '.htaccess' file to include comprehensive filtering rules.
Monitor file uploads for suspicious content to prevent HTML execution.

Long-Term Security Practices

Regularly audit and enhance security configurations to address evolving threats.
Educate users on safe file upload practices to mitigate risks of code execution.

Patching and Updates

Stay informed about security patches and updates for osCommerce to address vulnerabilities like CVE-2018-18965 effectively.