Inosoft VisiWin 7 2022-2.1 – Insecure Folders Permissions
# Exploit Title: Inosoft VisiWin 7 2022-2.1 - Insecure Folders Permissions Privilege Escalation # Date: 2023-08-09 # Exploit Author: Carlo Di Dato for Deloitte Risk Advisory Italia # Vendor Homepage: https://www.inosoft.com/ # Version: Up to 2022-2.1 (Runtime RT7.3 RC3 20221209.5) # Tested on: Windows # CVE: CVE-2023-31468 Inosoft VisiWin is a completely open system with a configurable range of functions. It combines all features of classic HMI software with unlimited programming possibilities. The installation of the solution will create insecure folder, and this could allow a malicious user to manipulate file content or change legitimate files (e.g., VisiWin7.Server.Manager.exe which runs with SYSTEM privileges) to compromise a system or to gain elevated privileges. This is the list of insecure files and folders with their respective permissions: C:\>icacls "C:\Program Files (x86)\INOSOFT GmbH" C:\Program Files (x86)\INOSOFT GmbH BUILTIN\Administrators:(OI)(CI)(F) Everyone:(OI)(CI)(F) NT AUTHORITY\SYSTEM:(OI)(CI)(F) Successfully processed 1 files; Failed processing 0 files C:\> -------------------------------------------------------------------------------------------------------------------------------------------------------- C:\>icacls "C:\Program Files (x86)\INOSOFT GmbH\VisiWin7\Runtime\VisiWin7.Server.Manager.exe" C:\Program Files (x86)\INOSOFT GmbH\VisiWin 7\Runtime\VisiWin7.Server.Manager.exe BUILTIN\Administrators:(I)(F) Everyone:(I)(F) NT AUTHORITY\SYSTEM:(I)(F) Successfully processed 1 files; Failed processing 0 files C:\> |