Spider Player v2.3.11 - Memory Corruption Vulnerability

Document Title:
===============
Spider Player v2.3.11 - Memory Corruption Vulnerability



Release Date:
=============
2011-07-23


Vulnerability Laboratory ID (VL-ID):
====================================
97


Product & Service Introduction:
===============================
Spider Player supports nearly thirty audio formats including most popular ones. You can use it to play music from your 
audio collection, stream files from the Internet and listen to Internet radio. Spider Player can rip CDs, convert any 
supported files to different formats and record Internet radio with no quality loss. All essential features, like 
ten-band graphic equalizer with various presets, local and global hotkeys support, playlist and favorites editors, 
are present too. Spider Player has a simple clear interface with all essential controls at your hand, which makes 
it very easy to use. Everything is just where you expect it to be. And a classy default skin with a well-thought 
layout extends usability even further.

(Copy of the Vendor Homepage: http://spider-player.com/)


Abstract Advisory Information:
==============================
Vulnerability Lab Team discovered a Memory Corruption Vulnerability on Spider Media Player.


Vulnerability Disclosure Timeline:
==================================
2011-00-00:	Vendor Notification
2011-00-00:	Vendor Response/Feedback
2011-00-00:	Vendor Fix/Patch
2011-00-00:	Public or Non-Public Disclosure



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


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

Exploitation Technique:
=======================
Local


Severity Level:
===============
Medium


Technical Details & Description:
================================
Due to a implementation fault of a unrestricted validation, an attacker is able to crash the software with a Memory Corruption Vulnerability.

Vulnerable Module(s):
                                                       [+] HTTP & Path Load Input Mask

Pictures:
			                                 ../2009-12-12_033203.png


Proof of Concept (PoC):
=======================
The vulnerability can be exploited by local attackers. For demonstration or reproduce ...

Vulnerable Module:
			                     [+] PATH/URL Media File Load

Manually Reproduce ...

1. Download Software & start
1. Go to Equilzer Module of the Software
2. Open with Path/URL Load
3. Insert long  String with % & save the settings
4. OUT OF MEMORY!


Solution - Fix & Patch:
=======================
Restrict the input mask on a specific maximum size for the fields path & url.



Security Risk:
==============
The security risk of the local memory corruption vulnerability is estimated as medium. 



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


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