Unauthorized accounts must not have the Bypass traverse checking user right.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-UR-000008	WN12-UR-000008	WN12-UR-000008_rule		Low

Description
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Bypass traverse checking" user right can pass through folders when browsing even if they do not have the "Traverse Folder" access permission. They could potentially view sensitive file and folder names. They would not have additional access to the files and folders unless it is granted through permissions.

Description

Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Bypass traverse checking" user right can pass through folders when browsing even if they do not have the "Traverse Folder" access permission. They could potentially view sensitive file and folder names. They would not have additional access to the files and folders unless it is granted through permissions.

STIG	Date
Microsoft Windows Server 2012 Member Server Security Technical Implementation Guide	2013-07-25

Details

Check Text ( C-WN12-UR-000008_chk )
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 "Bypass traverse checking" user right, this is a finding: Administrators Authenticated Users Local Service Network Service Window Manager\Window Manager Group Severity Override: If an application requires this user right, this can be downgraded to not a finding if the following conditions are met: Vendor documentation must support the requirement for having the user right. The requirement must be documented with the IAO. The application account must meet requirements for application account passwords, such as length (V-36661) and required changes frequency (V-36662).

Check Text ( C-WN12-UR-000008_chk )

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 "Bypass traverse checking" user right, this is a finding:

Administrators
Authenticated Users
Local Service
Network Service
Window Manager\Window Manager Group

Severity Override: If an application requires this user right, this can be downgraded to not a finding if the following conditions are met:
Vendor documentation must support the requirement for having the user right.
The requirement must be documented with the IAO.
The application account must meet requirements for application account passwords, such as length (V-36661) and required changes frequency (V-36662).

Fix Text (F-WN12-UR-000008_fix)
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Bypass traverse checking" to only include the following accounts or groups: Administrators Authenticated Users Local Service Network Service Window Manager\Window Manager Group