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Wise Care 365 4.27 / Wise Disk Cleaner 9.29 Privilege Escalation

Wise Care 365 4.27 / Wise Disk Cleaner 9.29 Privilege Escalation
Posted Sep 23, 2016
Authored by Tulpa

Wise Care 365 version 4.27 and Wise Disk Cleaner version 9.29 suffer from an unquoted service path privilege escalation vulnerability.

tags | exploit
MD5 | 37edacb49e0e9b39494cfc1defb9a02d

Wise Care 365 4.27 / Wise Disk Cleaner 9.29 Privilege Escalation

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# Exploit Title: Wisecleaner Software Multiple Unquoted Service Path Elevation of Privilege
# Date: 23/09/2016
# Exploit Author: Tulpa
# Contact: tulpa@tulpa-security.com
# Author website: www.tulpa-security.com
# Vendor Homepage: http://www.wisecleaner.com
# Software Link: http://www.wisecleaner.com/wise-disk-cleaner.html, http://www.wisecleaner.com/wise-care-365.html
# Version: Wise Care 365 4.27, Wise Disk Cleaner 9.29
# Tested on: Windows 7 x86
# Shout-out to carbonated and ozzie_offsec


1. Description:

Two seperate instances of unquoted service path privilege escalation has been discovered. The first instance is within Wise Care 365 4.27 which installs a vulnerable service entitled WiseBootAssistant. The second vulnerability exists when Wise Disk Cleaner 9.29 installs SpyHunter 4. Both of these services run with SYSTEM privileges. This could potentially allow an authorized but non-privileged local user to execute arbitrary code with elevated privileges on the system.

2. Proof

Wise Disk Cleaner 9.29

C:\>sc qc WiseBootAssistant
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: WiseBootAssistant
TYPE : 110 WIN32_OWN_PROCESS (interactive)
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files\Wise\Wise Care 365\BootTime.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : Wise Boot Assistant
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem


SpyHunter 4

C:\>sc qc "SpyHunter 4 Service"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: SpyHunter 4 Service
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files\Enigma Software Group\SpyHunter\SH4Service.exe
LOAD_ORDER_GROUP : Base
TAG : 0
DISPLAY_NAME : SpyHunter 4 Service
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem


3. 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.

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