User Account Control must, at minimum, prompt administrators for consent.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-14235	3.130	SV-14846r2_rule	ECCD-1 ECCD-2	Medium

Description
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the elevation requirements for logged on administrators to complete a task that requires raised privileges.

STIG	Date
Windows 2008 Domain Controller Security Technical Implementation Guide	2013-07-03

Details

Check Text ( C-45830r2_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 "User Account Control: Behavior of the elevation prompt for administrators in Admin Approval Mode" is not set to "Prompt for consent", this is a finding. More secure options for this setting are also acceptable (e.g., Prompt for credentials). The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\System\ Value Name: ConsentPromptBehaviorAdmin Value Type: REG_DWORD Value: 2 (Prompt for consent) 1 (Prompt for credentials)

Check Text ( C-45830r2_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 "User Account Control: Behavior of the elevation prompt for administrators in Admin Approval Mode" is not set to "Prompt for consent", this is a finding.

More secure options for this setting are also acceptable (e.g., Prompt for credentials).

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\System\

Value Name: ConsentPromptBehaviorAdmin

Value Type: REG_DWORD
Value: 2 (Prompt for consent)
1 (Prompt for credentials)

Fix Text (F-43222r2_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "User Account Control: Behavior of the elevation prompt for administrators in Admin Approval Mode" to "Prompt for consent". More secure options for this setting are also acceptable (e.g., Prompt for credentials).