35 lines
No EOL
1.5 KiB
Text
35 lines
No EOL
1.5 KiB
Text
# Exploit Title: Global Registration Service 1.0.0.3 - 'GREGsvc.exe' Unquoted Service Path
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# Discovery by: Emmanuel Lujan
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# Discovery Date: 2020-11-26
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# Vendor Homepage: https://www.acer.com/ac/en/US/content/home
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# Tested Version: 1.0.0.3
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# Vulnerability Type: Unquoted Service Path
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# Tested on OS: Windows 7 Home Premium x64
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# Step to discover Unquoted Service Path:
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C:\>wmic service get name, pathname, displayname, startmode | findstr /i "Auto" | findstr /i /v "C:\Windows\\" | findstr /i /v """
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GREGService GREGServ
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ice C:\Program Files (x86)\Acer\Registration\G
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REGsvc.exe Auto
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# Service info:
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C:\>sc qc GregService
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[SC] QueryServiceConfig SUCCESS
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SERVICE_NAME: GREGService
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TYPE : 10 WIN32_OWN_PROCESS
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START_TYPE : 2 AUTO_START
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ERROR_CONTROL : 1 NORMAL
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BINARY_PATH_NAME : C:\Program Files (x86)\Acer\Registration\GREGsvc.exe
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LOAD_ORDER_GROUP :
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TAG : 0
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DISPLAY_NAME : GREGService
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DEPENDENCIES :
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SERVICE_START_NAME : LocalSystem
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#Exploit:
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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. |