Microsoft Windows Server 2019
Windows Server 2019 must not allow anonymous SID/Name translation
STIG ID: WN19-SO-000210 | SRG: SRG-OS-000480-GPOS-00227 | Severity: High | CCI: CCI-000366 | Vulnerability ID: V-205913
Description
Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must be able to perform such translations.
Check
C-205913r991589_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 >> Security Options.If the value for "Network access: Allow anonymous SID/Name translation" is not set to "Disabled", this is a finding.
Fix
F-6178r356102_fix
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Allow anonymous SID/Name translation" to "Disabled".