Zortam MP3 Studio 21.15 - Insecure File Permissions Vulnerability

Technical Details & Description:
================================
Insecure File Permissions vulnerability has been discovered in the official Zortam MP3 Studio v21.15 software.
The vulnerability exists due to insecure default permissions set on the zPlayer.exe.  

A local attacker could exploit this vulnerability by replacing zPlayer.exe with a malicious executable file.  
The malicious file could execute with the LocalSystem permissions. 


Proof of Concept (PoC):
=======================
Zortam MP3 Studio for Windows contains a vulnerability that could allow a local attacker to gain elevated privileges.

-- PoC Exploit --

C:\Program Files\Zortam Mp3 Media Studio>cacls zPlayer.exe
C:\Program Files\Zortam Mp3 Media Studio\zPlayer.exe BUILTIN\Utilisateurs:F
                                                     AUTORITE NT\Système:(ID)F
                                                     BUILTIN\Administrateurs:(ID)F
                                                     BUILTIN\Utilisateurs:(ID)R
                                                     AUTORITÉ DE PACKAGE D'APPLICATION\TOUS LES PACKAGES D'APPLICATION:(ID)R

[+] 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:    [email protected]	
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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

#  0day.today [2018-03-12]  #