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The system must be configured to require case insensitivity for non-Windows subsystems.


Overview

Finding ID Version Rule ID IA Controls Severity
V-226336 WN12-SO-000075 SV-226336r794681_rule Medium
Description
This setting controls the behavior of non-Windows subsystems when dealing with the case of arguments or commands. Case sensitivity could lead to the access of files or commands that must be restricted. To prevent this from happening, case insensitivity restrictions must be required.
STIG Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-28038r476852_chk )
If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \System\CurrentControlSet\Control\Session Manager\Kernel\

Value Name: ObCaseInsensitive

Value Type: REG_DWORD
Value: 1
Fix Text (F-28026r476853_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "System objects: Require case insensitivity for non-Windows subsystems" to "Enabled".