CVE-2018-20687 : Vulnerability Insights and Analysis

A security vulnerability known as XML external entity (XXE) has been discovered in Raritan CommandCenter Secure Gateway versions prior to 8.0.0. This vulnerability allows remote unauthenticated users to access arbitrary files or conduct server-side request forgery (SSRF) attacks.

Understanding CVE-2018-20687

This CVE involves an XXE vulnerability in Raritan CommandCenter Secure Gateway, enabling unauthorized users to exploit the system.

What is CVE-2018-20687?

An XML external entity (XXE) vulnerability in CommandCenterWebServices allows remote unauthenticated users to read arbitrary files or conduct SSRF attacks via a crafted DTD in an XML request.

The Impact of CVE-2018-20687

Remote unauthenticated users can access arbitrary files
Possibility of conducting server-side request forgery (SSRF) attacks

Technical Details of CVE-2018-20687

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Raritan CommandCenter Secure Gateway before version 8.0.0 allows unauthorized users to exploit the system through a specially crafted DTD in an XML request.

Affected Systems and Versions

Raritan CommandCenter Secure Gateway versions prior to 8.0.0

Exploitation Mechanism

The exploitation occurs through the injection of a specially crafted Document Type Definition (DTD) in an XML request.

Mitigation and Prevention

Protecting systems from this vulnerability is crucial.

Immediate Steps to Take

Update Raritan CommandCenter Secure Gateway to version 8.0.0 or later
Implement network segmentation to restrict access
Monitor and analyze incoming XML requests for malicious patterns

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities
Conduct security assessments and penetration testing to identify weaknesses

Patching and Updates

Apply patches and updates provided by Raritan for CommandCenter Secure Gateway