Circutor PowerStudio SCADA 4.0.5 Privilege Escalation

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Circutor PowerStudio SCADA 4.0.5 Unquoted Service Path Elevation Of Privilege  
  
  
Vendor: CIRCUTOR SA  
Product web page: http:/www.circutor.com  
Affected version: PowerStudio SCADA 4.0.5 and OPC Server 1.4.1  
  
Summary: CIRCUTOR's Electrical Energy Efficiency software (e3) is currently  
called PowerStudio and encompasses all of the tools needed to manage your power  
control equipment: from electricity, gas and water meters to reactive energy  
compensation systems and powerful power analyzers.  
  
Desc: The application suffers from an unquoted search path issue impacting the  
services 'CircutorPowerStudioScadaServer' and 'CircutorPowerStudioServer' for  
Windows deployed as part of PowerStudio Series. This could potentially allow  
an authorized but non-privileged local user to execute arbitrary code with  
elevated privileges on the system. A successful attempt would require the local  
user to be able to insert their code in the system root path undetected by the  
OS or other security applications where it could potentially be executed during  
application startup or reboot. If successful, the local user’s code would execute  
with the elevated privileges of the application.  
  
Tested on: Microsoft Windows 7 Professional SP1 (EN)  
Microsoft Windows 7 Ultimate SP1 (EN)  
  
  
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic  
@zeroscience  
  
  
Advisory ID: ZSL-2015-5281  
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5281.php  
  
  
12.10.2015  
  
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C:\Users\eoleon>sc qc CircutorPowerStudioScadaServer  
[SC] QueryServiceConfig SUCCESS  
  
SERVICE_NAME: CircutorPowerStudioScadaServer  
TYPE : 110 WIN32_OWN_PROCESS (interactive)  
START_TYPE : 2 AUTO_START  
ERROR_CONTROL : 1 NORMAL  
BINARY_PATH_NAME : C:\Program Files (x86)\Circutor\PowerStudio Scada\bin\PwrStudio.exe  
LOAD_ORDER_GROUP :  
TAG : 0  
DISPLAY_NAME : CircutorPowerStudioScadaServer  
DEPENDENCIES :  
SERVICE_START_NAME : LocalSystem  
  
  
======  
  
  
C:\Users\eoleon>sc qc CircutorPowerStudioServer  
[SC] QueryServiceConfig SUCCESS  
  
SERVICE_NAME: CircutorPowerStudioServer  
TYPE : 110 WIN32_OWN_PROCESS (interactive)  
START_TYPE : 2 AUTO_START  
ERROR_CONTROL : 1 NORMAL  
BINARY_PATH_NAME : C:\Program Files (x86)\Circutor\PowerStudio\bin\PwrStudio.exe  
LOAD_ORDER_GROUP :  
TAG : 0  
DISPLAY_NAME : CircutorPowerStudioServer  
DEPENDENCIES :  
SERVICE_START_NAME : LocalSystem  
  
C:\Users\eoleon>  
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