AdobeUpdateService 3.6.0.248 - Unquoted Service Path Privilege Escalation

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# Exploit Title:  AdobeUpdateService  - Privilege Escalation Unquoted Service Path vulnerability
# Date: 18/05/2016
# Exploit Author : Cyril Vallicari
# Vendor Homepage: http://www.adobe.com/fr/
# Software Link:  http://www.adobe.com/downloads.html
# Version:  3.6.0.248
# Tested on: Windows 7 x64 SP1 (but it should works on all windows version)


The application suffers from an unquoted search path issue impacting the service 'AdobeUpdateService' for Windows deployed as part of Adobe Creative Cloud

This could potentially allow an authorized but non-privileged local user to execute arbitrary code with system privileges on the system.

POC :


C:\Users\Utilisateur>sc qc AdobeUpdateService

[SC] QueryServiceConfig réussite(s)

SERVICE_NAME: AdobeUpdateService
        TYPE               : 10  WIN32_OWN_PROCESS
        START_TYPE         : 2   AUTO_START
        ERROR_CONTROL      : 1   NORMAL
        BINARY_PATH_NAME   : C:\Program Files (x86)\Common Files\Adobe\Adobe Desktop Common\ElevationManager\AdobeUpdateService.exe
        LOAD_ORDER_GROUP   :
        TAG                : 0
        DISPLAY_NAME       : AdobeUpdateService
        DEPENDENCIES       :
        SERVICE_START_NAME : LocalSystem



Video POC : https://www.youtube.com/watch?v=RyzYkd05xM4

Patch :

Fixed in version 3.7.0.271

Additional notes :

https://helpx.adobe.com/security/products/creative-cloud/apsb16-21.html