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

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3385	WN08-SO-000075	SV-48086r1_rule	ECSC-1	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
Windows 8 Security Technical Implementation Guide	2013-07-03

Details

Check Text ( C-44825r1_chk )
Analyze the system using the Security Configuration and Analysis snap-in. (See "Performing Analysis with the Security Configuration and Analysis Snap-in" in the STIG Overview document.) Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for "System Object: Require case insensitivity for non-Windows subsystems" is not set to "Enabled", this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Control\Session Manager\Kernel\ Value Name: ObCaseInsensitive Value Type: REG_DWORD Value: 1

Check Text ( C-44825r1_chk )

Analyze the system using the Security Configuration and Analysis snap-in. (See "Performing Analysis with the Security Configuration and Analysis Snap-in" in the STIG Overview document.)
Expand the Security Configuration and Analysis tree view.
Navigate to Local Policies -> Security Options.

If the value for "System Object: Require case insensitivity for non-Windows subsystems" is not set to "Enabled", this is a finding.

The policy referenced configures the following registry value:

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-41224r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "System Object: Require case insensitivity for non-Windows subsystems" to "Enabled".