File shares must be limited on a system.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3245	WN08-GE-000015	SV-48543r1_rule	ECAN-1	Medium

Description
Shares on a system can provide network access, exposing sensitive information. If a share is necessary, share permissions, as well as NTFS permissions, must be reconfigured to give the minimum access to those accounts that require it.

STIG	Date
Windows 8 / 8.1 Security Technical Implementation Guide	2015-06-16

Details

Check Text ( C-44806r1_chk )
Open the Computer Management Console. Expand the "System Tools" object in the Tree window. Expand the "Shared Folders" object. Select the "Shares" object. Right click any non-system-created shares (the system will prompt you if Properties are selected for system-created shares). Select Properties. Select the Share Permissions tab. Verify the necessity of any shares found. If the file shares have not been reconfigured to restrict permissions to the specific groups or accounts that require access, this is a finding. Select the Security tab. If the NTFS permissions have not been reconfigured to restrict permissions to the specific groups or accounts that require access, this is a finding.

Check Text ( C-44806r1_chk )

Open the Computer Management Console.
Expand the "System Tools" object in the Tree window.
Expand the "Shared Folders" object.
Select the "Shares" object.
Right click any non-system-created shares (the system will prompt you if Properties are selected for system-created shares).
Select Properties.
Select the Share Permissions tab.

Verify the necessity of any shares found. If the file shares have not been reconfigured to restrict permissions to the specific groups or accounts that require access, this is a finding.

Select the Security tab.

If the NTFS permissions have not been reconfigured to restrict permissions to the specific groups or accounts that require access, this is a finding.

Fix Text (F-41205r1_fix)
If a share is required on a system, configure the share and NTFS permissions to limit access to the specific groups or accounts that require it. Remove any unnecessary non-system created shares.