Finding ID | Version | Rule ID | IA Controls | Severity |
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V-1093 | 3.018 | SV-28982r1_rule | High |
Description |
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This is a Category 1 finding because it allows anonymous logon users (null session connections) to list all account names and enumerate all shared resources, thus providing a map of potential points to attack the system. |
STIG | Date |
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Windows Vista Security Technical Implementation Guide | 2016-06-03 |
Check Text ( C-32719r1_chk ) |
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Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for “Network access: Do not allow anonymous enumeration of SAM accounts” is not set to “Enabled”, then this is a finding. If the value for “Network access: Do not allow anonymous enumeration of SAM accounts and shares” is not set to “Enabled”, then this is a finding. The policies referenced configure the following registry values: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Control\Lsa\ Value Name: RestrictAnonymousSAM (Sam accounts) And Value Name: RestrictAnonymous (Sam accounts and shares) Value Type: REG_DWORD Value: 1 Documentable Explanation: If the required settings cannot be used to allow for proper operation in a mixed Windows environment, then this should be documented with the IAO. |
Fix Text (F-28805r1_fix) |
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Configure the policy values for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Network access: Do not allow anonymous enumeration of SAM accounts” and “Network access: Do not allow anonymous enumeration of SAM accounts and shares” to “Enabled". |