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File shares must limit access to data on a system.


Overview

Finding ID Version Rule ID IA Controls Severity
V-3245 WN12-GE-000018 SV-52881r1_rule ECAN-1 Medium
Description
Shares on a system provide network access. To prevent exposing sensitive information, where shares are necessary, permissions must be reconfigured to give the minimum access to those accounts that require it.
STIG Date
Windows Server 2012 Domain Controller Security Technical Implementation Guide 2014-01-07

Details

Check Text ( C-47198r2_chk )
Open "Computer Management".
Navigate to "Shared Folders" under "System Tools".
Select the "Shares" object.
Right click any non-system-created shares (the system will prompt you when Properties is 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-45807r2_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 nonsystem-created shares.