Microsoft Windows 10
Anonymous enumeration of shares must be restricted
STIG ID:
WN10-SO-000150
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SRG:
SRG-OS-000138-GPOS-00069
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Severity:
High
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CCI:
CCI-001090
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Vulnerability ID:
V-220930
Description
Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can provide a map of potential points to attack the system.
Check
C-22645r555275_chk
If the following registry value does not exist or is not configured as specified, this is a finding:Registry Hive: HKEY_LOCAL_MACHINERegistry Path: \SYSTEM\CurrentControlSet\Control\Lsa\Value Name: RestrictAnonymousValue Type: REG_DWORDValue: 1
Fix
F-22634r555276_fix
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Do not allow anonymous enumeration of SAM accounts and shares" to "Enabled".