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IObit Uninstaller 6.0.2.156 Privilege Escalation

IObit Uninstaller 6.0.2.156 Privilege Escalation
Posted Oct 28, 2016
Authored by Heliand Dema

IObit Uninstaller version 6.0.2.156 suffers from an unquoted service path privilege escalation vulnerability.

tags | exploit
SHA-256 | 447134b844e1efc83b8c50c6c0e26f3c7afd3d86c54102d0f962ec0c22554e43

IObit Uninstaller 6.0.2.156 Privilege Escalation

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=====================================================
# IObit Uninstaller v6.0.2.156 - Unquoted Service Path Privilege Escalation
=====================================================
# Vendor Homepage: http://www.iobit.com
# Date: 24 Oct 2016
# Version : 6.0.2.156
# Software Link: http://www.iobit.com/en/advanceduninstaller.php
# Tested on: Windows 7 Ultimate SP1 (EN)
# Author: Heliand Dema
# Contact: heliand@cyber.al
=====================================================

IObit Uninstaller installs a service called 'LiveUpdateSvc' with an
unquoted service path running with SYSTEM privileges.
This could potentially allow an authorized but non-privileged local user
to execute arbitrary code with elevated privileges on the system.


C:\Users\helik>sc qc LiveUpdateSvc
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: LiveUpdateSvc
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program
Files\IObit\LiveUpdate\LiveUpdate.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : LiveUpdate
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem



====Proof-of-Concept====
To properly exploit this vulnerability, the local attacker must insert
an executable file in the path of the service. Upon service restart or
system reboot, the malicious code will be run with elevated privileges.

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