Exploit - EPSON 1.124 - 'seksmdb.exe' Unquoted Service Path

# Exploit Title: EPSON 1.124 - 'seksmdb.exe' Unquoted Service Path
# Discovery by: İsmail Önder Kaya
# Discovery Date: 2020-10-27
# Vendor Homepage: https://www.epson.co.uk/support?productID=10820&os=22#drivers_and_manuals
# Tested Version: 1.124
# Vulnerability Type: Unquoted Service Path
# Tested on OS: Windows 10 Pro x64

# Step to discover Unquoted Service Path:

C:\>wmic service get name, pathname, displayname, startmode | findstr /i "Auto" | findstr /i /v "C:\Windows\\" | findstr /i "EPSON_P2B" | findstr /i /v """

SEcnStatutsDatabase        SENADB       C:\Program Files (x86)\EPSON_P2B\Printer Software\Status Monitor\seksmdb.exe           Auto

# Service info:
 
C:\>sc qc SENADB
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: SENADB
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 0   IGNORE
        BINARY_PATH_NAME   : C:\Program Files (x86)\EPSON_P2B\Printer Software\Status Monitor\seksmdb.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : SEcnStatutsDatabase
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem
 

#Exploit:
 
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.