The system is not configured to use the Classic security model.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3378	3.072	SV-29266r1_rule		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 Vista Security Technical Implementation Guide	2017-01-30

Details

Check Text ( C-174r1_chk )
Analyze the system using the Security Configuration and Analysis snap-in. 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”, then 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-174r1_chk )

Analyze the system using the Security Configuration and Analysis snap-in.
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”, then 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-134r1_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”.