TOVA 8 Unquoted Service Path Privilege Escalation Vulnerability

2017-04-17T00:00:00
ID 1337DAY-ID-27612
Type zdt
Reporter Rithwik Jayasimha
Modified 2017-04-17T00:00:00

Description

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

                                        
                                            # 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.

#  0day.today [2018-02-09]  #