Finding ID | Version | Rule ID | IA Controls | Severity |
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V-3666 | 3.089 | SV-25108r2_rule | Medium |
Description |
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Microsoft has implemented a variety of security support providers for use with RPC sessions. All of the options must be enabled to ensure the maximum security level. |
STIG | Date |
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Windows 7 Security Technical Implementation Guide | 2018-02-12 |
Check Text ( C-62079r1_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 security: Minimum session security for NTLM SSP based (including secure RPC) servers" is not set to "Require NTLMv2 session security" and "Require 128-bit encryption", this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SYSTEM\CurrentControlSet\Control\Lsa\MSV1_0\ Value Name: NTLMMinServerSec Value Type: REG_DWORD Value: 0x20080000 (537395200) |
Fix Text (F-66977r1_fix) |
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Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network security: Minimum session security for NTLM SSP based (including secure RPC) servers" to "Require NTLMv2 session security", "Require 128-bit encryption (all options selected). |