The system must be configured to use the Classic security model.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3378	WN08-SO-000060	SV-48080r1_rule	ECLO-1	Medium

Description
Windows includes two network-sharing security models - Classic and Guest only. With the Classic model, local accounts must be password protected; otherwise, anyone can use guest user accounts to access shared system resources.

STIG	Date
Windows 8 / 8.1 Security Technical Implementation Guide	2014-04-02

Details

Check Text ( C-44819r1_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 "Network access: Sharing and security model for local accounts" is not set to "Classic - local users authenticate as themselves", this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Control\Lsa\ Value Name: ForceGuest Value Type: REG_DWORD Value: 0

Check Text ( C-44819r1_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 "Network access: Sharing and security model for local accounts" is not set to "Classic - local users authenticate as themselves", this is a finding.

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \System\CurrentControlSet\Control\Lsa\

Value Name: ForceGuest

Value Type: REG_DWORD
Value: 0

Fix Text (F-41218r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network access: Sharing and security model for local accounts" to "Classic - local users authenticate as themselves".