ATKGFNEXSrv ATKGFNEX 1.0.11.1 – Unquoted Service Path Privilege Escalation

  • 作者: Cyril Vallicari
    日期: 2016-10-13
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/40523/
  • # 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 : 10WIN32_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