Finding ID | Version | Rule ID | IA Controls | Severity |
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V-73687 | WN16-SO-000360 | SV-88351r1_rule | High |
Description |
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The LAN Manager hash uses a weak encryption algorithm and there are several tools available that use this hash to retrieve account passwords. This setting controls whether a LAN Manager hash of the password is stored in the SAM the next time the password is changed. |
STIG | Date |
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Windows Server 2016 Security Technical Implementation Guide | 2017-05-18 |
Check Text ( C-73769r1_chk ) |
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If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SYSTEM\CurrentControlSet\Control\Lsa\ Value Name: NoLMHash Value Type: REG_DWORD Value: 0x00000001 (1) |
Fix Text (F-80137r1_fix) |
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Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network security: Do not store LAN Manager hash value on next password change" to "Enabled". |