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ATKGFNEXSrv ATKGFNEX 1.0.11.1 - Unquoted Service Path Privilege Escalation

Author
Cyril Vallicari
Risk
[
Security Risk High
]
0day-ID
0day-ID-25538
Category
local exploits
Date add
13-10-2016
Platform
windows
# 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 réussite(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

#  0day.today [2024-07-02]  #