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Canon Inkjet Extended Survey Program - 'IJPLMSVC.EXE' - Unquoted Service Path


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# Exploit Title: Canon Inkjet Extended Survey Program - 'IJPLMSVC.EXE'  - Unquoted Service Path
# Discovery by: Carlos Roa
# Discovery Date: 2020-11-07
# Vendor Homepage: https://www.usa.canon.com/internet/portal/us/home
# Tested Version:
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 7 Professional 64 bits (spanish)

# Step to discover Unquoted Service Path: 

C:\Users>wmic service get name,pathname,displayname,startmode | findstr /i auto| findstr /i /v "C:\Windows\\" | findstr /i /v """

Canon Inkjet Printer/Scanner/Fax Extended Survey Program                IJPLMSVC                             C:\Program Files (x86)\Canon\IJPLM\IJPLMSVC.EXE              Auto       

# Service info:

C:\Users>sc qc IJPLMSVC
[SC] QueryServiceConfig CORRECTO

        TIPO               : 10  WIN32_OWN_PROCESS 
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 1   NORMAL
        NOMBRE_RUTA_BINARIO: C:\Program Files (x86)\Canon\IJPLM\IJPLMSVC.EXE
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : Canon Inkjet Printer/Scanner/Fax Extended Survey Program
        DEPENDENCIAS       : 


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.
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