ASUS AXSP 1.02.00 Unquoted Service Path

ASUS AXSP version 1.02.00 suffers from an asComSvc unquoted service path vulnerability.


MD5 | 9df752c9e49f3085549e4f2f8ba1e557

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# 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.

Source: packetstormsecurity.com
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