Check: WN16-MS-000420
Microsoft Windows Server 2016 STIG:
WN16-MS-000420
(in versions v2 r9 through v2 r5)
Title
The "Enable computer and user accounts to be trusted for delegation" user right must not be assigned to any groups or accounts on member servers. (Cat II impact)
Discussion
Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. The "Enable computer and user accounts to be trusted for delegation" user right allows the "Trusted for Delegation" setting to be changed. This could allow unauthorized users to impersonate other users.
Check Content
This applies to member servers and standalone or nondomain-joined 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 are granted the "Enable computer and user accounts to be trusted for delegation" user right, this is a finding. 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 are granted the "SeEnableDelegationPrivilege" user right, this is a finding.
Fix Text
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Enable computer and user accounts to be trusted for delegation" to be defined but containing no entries (blank).
Additional Identifiers
Rule ID: SV-225020r958726_rule
Vulnerability ID: V-225020
Group Title: SRG-OS-000324-GPOS-00125
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-002235 |
Prevent non-privileged users from executing privileged functions. |
Controls
Number | Title |
---|---|
AC-6(10) |
Prohibit Non-privileged Users from Executing Privileged Functions |