Tuesday, May 11, 2021

TFTP Broadband 4.3.0.1465 Unquoted Service Path

# Exploit Title: TFTP Broadband 4.3.0.1465 - 'tftpt.exe' Unquoted Service Path
# Discovery by: Erick Galindo
# Discovery Date: 2020-05-07
# Vendor Homepage: https://www.weird-solutions.com
# Software : https://www.weird-solutions.com/download/products/tftpbbv4_retail_x64.exe
# Tested Version: 4.3.0.1465
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 10 Pro 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 "tftpt"
TFTP Broadband 4 TFTP Broadband 4 C:\Program Files\TFTP Broadband 4\tftpt.exe Auto

C:\>sc qc "TFTP Broadband 4"
[SC] QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: TFTP Broadband 4
TIPO : 10 WIN32_OWN_PROCESS
TIPO_INICIO : 2 AUTO_START
CONTROL_ERROR : 1 NORMAL
NOMBRE_RUTA_BINARIO: C:\Program Files\TFTP Broadband 4\tftpt.exe
GRUPO_ORDEN_CARGA :
ETIQUETA : 0
NOMBRE_MOSTRAR : TFTP Broadband 4
DEPENDENCIAS : Nsi
: Afd
: NetBT
: Tcpip
NOMBRE_INICIO_SERVICIO: LocalSystem

#Exploit:

This vulnerability could permit executing code during startup or reboot with the escalated privileges.

 

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