Diafuzzer

Core Network & SignalingReady to RunLocation: /opt/telcosec/diafuzzer/

Command Line Execution

Run this command in the TelcoChisel terminal to launch or execute the tool:

Diafuzzer Command
diafuzzer --help

Detailed Technical Overview

Diafuzzer is an open-source Diameter protocol fuzzer originally created by Orange Security. It targets core network interfaces (S6a, Gx, Gy, Rx) to check if network functions crash or leak information when sent malformed Diameter AVPs.

Configuration & Usage Guide

To initialize and configure Diafuzzer for telecom security audits, follow these steps:

  1. 1Navigate to the Diafuzzer folder: cd /opt/telcosec/diafuzzer
  2. 2Run the fuzzer against a target HSS or PCRF: python3 diafuzzer.py -t 192.168.10.12 -p 3868 --interface s6a

Troubleshooting & Security Audits

Diafuzzer Audit Warning
Ensure the local Diameter client configuration file is edited to define appropriate Local Host Identity and Realm to pass authentication.
SIGNALING CORE LAB

Master Diafuzzer with Interactive Telecom Labs

Practice deploying Diafuzzer against live cellular networks, radio interfaces, and mobile cores in TelcoSec Academy's browser-accessible cloud sandboxes.

Interactive Cloud Labs No Hardware Required CTSP Certification
Launch Interactive Labapp.telcosec.net · Instant access

Frequently Asked Questions

What is Diameter?

Diameter is the authentication, authorization, and accounting (AAA) protocol used in 4G LTE and IMS networks, replacing legacy RADIUS.

Can I fuzz custom AVPs?

Yes, you can edit the Diafuzzer dictionary XML files to inject custom Attribute-Value Pairs (AVPs).

Back to Tools Directory