Unauthorized registry paths are remotely accessible.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3339	3.064	SV-28589r1_rule	ECCD-1 ECCD-2	High

Description
This is a Category 1 finding because it could give unauthorized individuals access to the Registry. It controls which registry paths are accessible from a remote computer.

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

Details

Check Text ( C-32798r1_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: Remotely accessible registry paths” contains entries besides the following, then this is a finding: System\CurrentControlSet\Control\ProductOptions System\CurrentControlSet\Control\Server Applications Software\Microsoft\Windows NT\CurrentVersion The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Control\SecurePipeServers\Winreg\AllowedExactPaths\ Value Name: Machine Value Type: REG_MULTI_SZ Value: As defined in policy above Note: Legitimate applications may add entries to this registry value. If an application requires these entries to function properly and is documented with the IAO, this would not be a finding. Documentation should contain supporting information from the vendor's instructions.

Check Text ( C-32798r1_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: Remotely accessible registry paths” contains entries besides the following, then this is a finding:

System\CurrentControlSet\Control\ProductOptions
System\CurrentControlSet\Control\Server Applications
Software\Microsoft\Windows NT\CurrentVersion

The policy referenced configures the following registry value:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \System\CurrentControlSet\Control\SecurePipeServers\Winreg\AllowedExactPaths\

Value Name: Machine

Value Type: REG_MULTI_SZ
Value: As defined in policy above

Note: Legitimate applications may add entries to this registry value. If an application requires these entries to function properly and is documented with the IAO, this would not be a finding. Documentation should contain supporting information from the vendor's instructions.

Fix Text (F-28869r1_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Network access: Remotely accessible registry paths” as defined in the Check section.