File share ACLs will be reconfigured to remove the Everyone group.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-3245	2.015	SV-32264r1_rule	ECAN-1	Medium

Description
By default, the Everyone group is given full control to new file shares. When a share is created, permissions should be reconfigured to give the minimum access to those accounts that require it.

STIG	Date
Windows Server 2008 R2 Member Server Security Technical Implementation Guide	2015-03-09

Details

Check Text ( C-32711r1_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 user-created shares (ignore administrative shares; the system will prompt you if Properties are selected for administrative shares). Select Properties. Select the Share Permissions tab. If user-created file shares have not been reconfigured to remove ACL permissions from the “Everyone” group, then this is a finding. Documentable Explanation: If shares created by applications require the “Everyone” group, this should be documented with the IAO.

Check Text ( C-32711r1_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 user-created shares (ignore administrative shares; the system will prompt you if Properties are selected for administrative shares).
Select Properties.
Select the Share Permissions tab.

If user-created file shares have not been reconfigured to remove ACL permissions from the “Everyone” group, then this is a finding.

Documentable Explanation: If shares created by applications require the “Everyone” group, this should be documented with the IAO.

Fix Text (F-59r1_fix)
Remove permissions from the Everyone group from locally-created file shares and assign them to authorized groups.