CVE-2018-11495 : What You Need to Know

A vulnerability in OpenCart up to version 3.0.2.0 allows unauthorized access to files outside the intended directory, potentially leading to sensitive data exposure.

Understanding CVE-2018-11495

What is CVE-2018-11495?

OpenCart versions up to 3.0.2.0 are susceptible to a directory traversal vulnerability that enables attackers to access files beyond the designated directory.

The Impact of CVE-2018-11495

This vulnerability permits unauthorized users to download sensitive files, compromising the confidentiality and integrity of the system.

Technical Details of CVE-2018-11495

Vulnerability Description

The flaw exists in the editDownload function within the download.php file, allowing manipulation of the download_id parameter through a specific URL.

Affected Systems and Versions

OpenCart versions up to 3.0.2.0

Exploitation Mechanism

Attackers can exploit the vulnerability by altering the download_id parameter in the URL, enabling them to access files such as ../../config.php.

Mitigation and Prevention

Immediate Steps to Take

Update OpenCart to the latest version to patch the vulnerability.
Implement proper input validation to prevent malicious input.

Long-Term Security Practices

Regularly monitor and audit file access permissions.
Conduct security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Apply security patches promptly to ensure system protection.