IDT PC Audio 1.0.6499.0 Unquoted Service Path

`# Exploit Title: IDT PC Audio 1.0.6499.0 - 'STacSV' Unquoted Service Path  
# Discovery by: Diego Cañada  
# Software link: https://www.pconlife.com/download/otherfile/20566/90674cffc8658c4f2bf58d43bb9b7ccb/  
# Discovery Date: 2020-12-03  
# Tested Version: 1.0.6499.0  
# Vulnerability Type: Unquoted Service Path  
# Tested on OS: Windows 10 Home Single Language x64 ES  
  
# Step to discover Unquoted Service Path:  
  
C:\>wmic service get name, displayname, pathname, startmode | findstr /i  
"Auto" |findstr /i /v "C:\Windows\\" | findstr /i /v """  
  
Audio service STacSV c:\Program Files\IDT\WDM\STacSV64.exe Auto  
  
# Service info:  
  
C:\>sc qc StacSV  
[SC] QueryServiceConfig CORRECTO  
  
NOMBRE_SERVICIO: StacSV  
TIPO : 10 WIN32_OWN_PROCESS  
TIPO_INICIO : 2 AUTO_START  
CONTROL_ERROR : 1 NORMAL  
NOMBRE_RUTA_BINARIO: C:\Program Files\IDT\WDM\STacSV64.exe  
GRUPO_ORDEN_CARGA : AudioGroup  
ETIQUETA : 0  
NOMBRE_MOSTRAR : Audio Service  
DEPENDENCIAS :  
NOMBRE_INICIO_SERVICIO: LocalSystem  
  
#Exploit:  
  
A successful attempt would require the local user to be able to insert  
their code in the system root path undetected by the OS or other security  
applications where it could potentially be executed during application  
startup or reboot. If successful, the local user's code would execute with  
the elevated privileges of the application.  
`