Emerson PAC Machine Edition 9.80 Build 8695 Unquoted Service Path

2022.02.16
Credit: Luis Martinez
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

# Exploit Title: Emerson PAC Machine Edition 9.80 Build 8695 - 'TrapiServer' Unquoted Service Path # Discovery by: Luis Martinez # Discovery Date: 2022-02-13 # Vendor Homepage: https://www.emerson.com/en-us # Software Link : https://www.opertek.com/descargar-software/?prc=_326 # Tested Version: 9.80 Build 8695 # Vulnerability Type: Unquoted Service Path # Tested on OS: Windows 10 Pro x64 es # Step to discover Unquoted Service Path: C:\>wmic service get name, pathname, displayname, startmode | findstr "Auto" | findstr /i /v "C:\Windows\\" | findstr /i "TrapiServer" |findstr /i /v """ Trapi File Server TrapiServer C:\Program Files (x86)\Emerson\PAC Machine Edition\Common\Components\NT\trapiserver.exe Auto # Service info: C:\>sc qc TrapiServer [SC] QueryServiceConfig SUCCESS SERVICE_NAME: TrapiServer TYPE : 120 WIN32_SHARE_PROCESS (interactive) START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files (x86)\Emerson\PAC Machine Edition\Common\Components\NT\trapiserver.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : Trapi File Server DEPENDENCIES : SERVICE_START_NAME : LocalSystem #Exploit: 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.


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