TOVA 8 Unquoted Service Path Privilege Escalation

TOVA 8 Precision Test Environment (P.T.E) suffers from an unquoted service path privilege escalation vulnerability.


MD5 | eeedd0099b40a5c5279f98d666bc365d

# Exploit Title: TOVA 8 Precision Test Environment (P.T.E) - Unquoted Service Path Privilege Escalation
# Date of Discovery: February 17 2017
# Exploit Author: Rithwik Jayasimha
# Author Homepage/Contact: https://thel3l.me
# Vendor Name: The TOVA Company
# Vendor Homepage: http://www.tovatest.com/
# Software Link: TOVA 8.2-202 - http://files.tovatest.com/installers/release/windows/tova_8.2-202-gffd23ee_setup.exe
# Affected Versions: 8.0-102 to 8.2-202
# Tested on: Windows 10, 8.1, 7, XP
# Category: local
# Vulnerability type: Local Privilege Escalation


# Description:
T.O.V.A (Test of Variables of Attention) is a computerized, objective measure of attention and inhibitory control normed by
gender for ages 4 to 80+. It installs a service ("TOVA 8 PTE Activation") with an unquoted service path running with SYSTEM
privileges.
This allows any non-privileged local user to execute arbitrary code with SYSTEM privileges.
# Proof Of Concept:
C:\Program Files (x86)\tova_8>sc qc "TOVA 8 PTE Activation"
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: TOVA 8 PTE Activation
TYPE : 10 WIN32_OWN_PROCESS
START_TYPE : 2 AUTO_START
ERROR_CONTROL : 1 NORMAL
BINARY_PATH_NAME : C:\Program Files (x86)\tova_8\Service\tova-pte-svc.exe
LOAD_ORDER_GROUP :
TAG : 0
DISPLAY_NAME : TOVA 8 PTE Activation
DEPENDENCIES :
SERVICE_START_NAME : LocalSystem

# Additional Notes, References and links:
Patched in latest version.
# Disclosure Timeline:
February 17 2017 - Discovered, vendor contacted.
March 13th 2017 - Patch released by vendor.

Related Posts

Comments