CVE-2018-0657 : Vulnerability Insights and Analysis

A vulnerability in the EC-CUBE Payment Module and GMO-PG Payment Module (PG Multi-Payment Service) for EC-CUBE has been discovered, allowing an attacker to inject arbitrary web script or HTML.

Understanding CVE-2018-0657

This CVE involves a cross-site scripting vulnerability in specific versions of the EC-CUBE Payment Module and GMO-PG Payment Module for EC-CUBE.

What is CVE-2018-0657?

The vulnerability in versions 3.5.23 and earlier of the EC-CUBE Payment Module (2.12) and versions 2.3.17 and earlier of the EC-CUBE Payment Module (2.11), as well as in version 3.5.23 and earlier of the GMO-PG Payment Module (PG Multi-Payment Service) (2.12) and version 2.3.17 and earlier of the GMO-PG Payment Module (PG Multi-Payment Service) (2.11), allows an attacker with administrator privileges to inject arbitrary web script or HTML through unspecified means.

The Impact of CVE-2018-0657

Attackers with administrator rights can exploit the vulnerability to inject malicious web script or HTML.
This could lead to unauthorized access, data theft, or other malicious activities on affected systems.

Technical Details of CVE-2018-0657

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is classified as a cross-site scripting (XSS) issue, enabling attackers to execute malicious scripts on the targeted website.

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 administrator privileges to inject arbitrary web script or HTML through unspecified vectors.

Mitigation and Prevention

Protecting systems from CVE-2018-0657 is crucial to prevent potential exploitation.

Immediate Steps to Take

Update the affected modules to the latest secure versions.
Implement input validation to sanitize user inputs and prevent script injection.
Monitor and restrict administrator privileges to minimize the impact of potential attacks.

Long-Term Security Practices

Regularly audit and review code for vulnerabilities like XSS.
Educate developers and administrators on secure coding practices.
Stay informed about security updates and patches for the payment modules.

Patching and Updates

Apply patches provided by the vendors promptly to address the vulnerability and enhance system security.