CVE-2018-0658 : Security Advisory and Response

A vulnerability related to input validation in EC-CUBE and GMO-PG Payment Modules allows attackers to execute arbitrary PHP code.

Understanding CVE-2018-0658

What is CVE-2018-0658?

This CVE identifies an input validation vulnerability in specific versions of the EC-CUBE and GMO-PG Payment Modules, enabling attackers with administrative rights to run arbitrary PHP code on the server.

The Impact of CVE-2018-0658

The vulnerability could lead to severe consequences, including unauthorized execution of PHP code by attackers with administrative privileges.

Technical Details of CVE-2018-0658

Vulnerability Description

The flaw exists in versions 3.5.23 and earlier of the EC-CUBE Payment Module (2.12), versions 2.3.17 and earlier of the EC-CUBE Payment Module (2.11), versions 3.5.23 and earlier of the GMO-PG Payment Module (PG Multi-Payment Service) (2.12), and versions 2.3.17 and earlier of the GMO-PG Payment Module (PG Multi-Payment Service) (2.11).

Affected Systems and Versions

EC-CUBE Payment Module (2.12) version 3.5.23 and earlier
EC-CUBE Payment Module (2.11) version 2.3.17 and earlier
GMO-PG Payment Module (PG Multi-Payment Service) (2.12) version 3.5.23 and earlier
GMO-PG Payment Module (PG Multi-Payment Service) (2.11) version 2.3.17 and earlier

Exploitation Mechanism

The vulnerability allows attackers with administrative rights to execute arbitrary PHP code on the server through unspecified vectors.

Mitigation and Prevention

Immediate Steps to Take

Update to the latest versions of the affected modules immediately.
Restrict administrative privileges to reduce the impact of potential attacks.

Long-Term Security Practices

Regularly monitor and audit server logs for any suspicious activities.
Implement strict input validation mechanisms to prevent similar vulnerabilities.

Patching and Updates

Apply security patches provided by the vendors to address the input validation issue and enhance system security.