Check: 4.044
Windows Vista STIG:
4.044
(in versions v6 r42 through v6 r41)
Title
The system is not configured to require a strong session key. (Cat II impact)
Discussion
This setting controls the required strength of a session key.
Check Content
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 “Domain Member: Require Strong (Windows 2000 or Later) Session Key” is not set to “Enabled”, then this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Services\Netlogon\Parameters\ Value Name: RequireStrongKey Value Type: REG_DWORD Value: 1 Warning: This setting may prevent a system from being joined to a domain if not configured consistently between systems.
Fix Text
Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Domain Member: Require Strong (Windows 2000 or Later) Session Key” to “Enabled”.
Additional Identifiers
Rule ID: SV-29250r1_rule
Vulnerability ID: V-3374
Group Title: Strong Session Key
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-002418 |
The information system protects the confidentiality and/or integrity of transmitted information. |
| CCI-002421 |
The information system implements cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission unless otherwise protected by organization-defined alternative physical safeguards. |