CVE-2018-3815 : What You Need to Know

CommuniGate Pro (CGP) version 6.2 is vulnerable to a security issue known as Missing XIMSS Protocol Validation, allowing authenticated attackers to spoof emails.

Understanding CVE-2018-3815

What is CVE-2018-3815?

The vulnerability in the XML Interface to Messaging, Scheduling, and Signaling (XIMSS) protocol in CommuniGate Pro (CGP) version 6.2 enables attackers to send spoofed emails from any email address.

The Impact of CVE-2018-3815

This vulnerability permits authenticated attackers to manipulate XML elements and send fraudulent emails, potentially leading to phishing attacks and email spoofing.

Technical Details of CVE-2018-3815

Vulnerability Description

The Missing XIMSS Protocol Validation in CGP 6.2 allows attackers to send spoofed emails by exploiting the XIMSS protocol through HTTP POST requests.

Affected Systems and Versions

Product: CommuniGate Pro (CGP) version 6.2
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers manipulate XML From and To elements via HTTP POST requests to a specific /Session URI in CGP 6.2.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor email traffic for suspicious activities.
Implement email authentication mechanisms like SPF, DKIM, and DMARC.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security awareness training to educate users on email security best practices.

Patching and Updates

Check for security advisories from the vendor and apply patches as soon as they are available.