The Access this computer from the network user right must only be assigned to the Administrators and Authenticated Users groups on member servers.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-73733	WN16-MS-000340	SV-88397r3_rule		Medium

Description
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Access this computer from the network" user right may access resources on the system, and this right must be limited to those requiring it.

STIG	Date
Windows Server 2016 Security Technical Implementation Guide	2019-12-12

Details

Check Text ( C-91465r1_chk )
This applies to member servers and standalone systems. A separate version applies to domain controllers. Verify the effective setting in Local Group Policy Editor. Run "gpedit.msc". Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment. If any accounts or groups other than the following are granted the "Access this computer from the network" user right, this is a finding. - Administrators - Authenticated Users For server core installations, run the following command: Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt Review the text file. If any SIDs other than the following are granted the "SeNetworkLogonRight" user right, this is a finding. S-1-5-32-544 (Administrators) S-1-5-11 (Authenticated Users) If an application requires this user right, this would not be a finding. Vendor documentation must support the requirement for having the user right. The requirement must be documented with the ISSO. The application account must meet requirements for application account passwords, such as length (WN16-00-000060) and required frequency of changes (WN16-00-000070).

Check Text ( C-91465r1_chk )

This applies to member servers and standalone systems. A separate version applies to domain controllers.

Verify the effective setting in Local Group Policy Editor.

Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment.

If any accounts or groups other than the following are granted the "Access this computer from the network" user right, this is a finding.

- Administrators
- Authenticated Users

For server core installations, run the following command:

Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt

Review the text file.

If any SIDs other than the following are granted the "SeNetworkLogonRight" user right, this is a finding.

S-1-5-32-544 (Administrators)
S-1-5-11 (Authenticated Users)

If an application requires this user right, this would not be a finding.

Vendor documentation must support the requirement for having the user right.

The requirement must be documented with the ISSO.

The application account must meet requirements for application account passwords, such as length (WN16-00-000060) and required frequency of changes (WN16-00-000070).

Fix Text (F-88221r1_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Access this computer from the network" to include only the following accounts or groups: - Administrators - Authenticated Users