InsOnSrv Asus InstantOn 2.3.1.1 – Unquoted Service Path Privilege Escalation
# Exploit Title: InsOnSrv Asus InstantOn- Privilege Escalation Unquoted Service Path vulnerability # Date: 13/10/2016 # Exploit Author : Cyril Vallicari # Vendor Homepage: www.asus.com # Version: 2.3.1.1 # Tested on: Windows 7 x64 SP1 (but it should works on all windows version) The application suffers from an unquoted service path issue impacting the service 'ASUS InstantOn (InsOnSrv.exe)' deployed as part of Asus InstantOn This could potentially allow an authorized but non-privileged local user to execute arbitrary code with system privileges. POC : C:\Users\Utilisateur>sc qc "ASUS InstantOn" [SC] QueryServiceConfig réussite(s) SERVICE_NAME: ASUS InstantOn TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files (x86)\ASUS\ASUS InstantOn\InsOnSrv.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : ASUS InstantOn Service DEPENDENCIES : SERVICE_START_NAME : LocalSystem Additional notes : https://hackerone.com/blog/asus-vulnerability-disclosure-deja-vu |