IObit Uninstaller 10 Pro Unquoted Service Path

Credit: Mayur Parmar
Risk: Medium
Local: Yes
Remote: No

# Exploit Title: IObit Uninstaller 10 Pro - Unquoted Service Path # Date: 2020–12–24 # Exploit Author: Mayur Parmar(th3cyb3rc0p) # Vendor Homepage: # Software Link: # Version: 10 # Tested on Windows 10 Unquoted Service Path: When a service is created whose executable path contains spaces and isn’t enclosed within quotes, leads to a vulnerability known as Unquoted Service Path which allows a user to gain SYSTEM privileges (only if the vulnerable service is running with SYSTEM privilege level which most of the time it is). In Windows, if the service is not enclosed within quotes and is having spaces, it would handle the space as a break and pass the rest of the service path as an argument. Attack Vector: 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. Steps to reproduce: C:\Windows\system32>sc qc IObitUnSvr [SC] QueryServiceConfig SUCCESS SERVICE_NAME: IObitUnSvr TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 0 IGNORE BINARY_PATH_NAME : C:\Program Files (x86)\IObit\IObit Uninstaller\IUService.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : IObit Uninstaller Service DEPENDENCIES : SERVICE_START_NAME : LocalSystem Mitigation:Ensure that any services that contain a space in the path enclose the path in quotes. Reference: -> -> -> ->

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