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Check: WN12-UR-000001

Microsoft Windows Server 2012/2012 R2 Member Server STIG: WN12-UR-000001 (in versions v3 r7 through v2 r14)

Title

The Access Credential Manager as a trusted caller user right must not be assigned to any groups or accounts. (Cat II impact)

Discussion

Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Access Credential Manager as a trusted caller" user right may be able to retrieve the credentials of other accounts from Credential Manager.

Check Content

Verify the effective setting in Local Group Policy Editor. Run "gpedit.msc". Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment. If any accounts or groups are granted the "Access Credential Manager as a trusted caller" user right, this is a finding.

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Access Credential Manager as a trusted caller" to be defined but containing no entries (blank).

Additional Identifiers

Rule ID: SV-225545r877392_rule

Vulnerability ID: V-225545

Group Title: SRG-OS-000324-GPOS-00125

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CCIs

CCIs tied to check.

Number	Definition
CCI-002235	The information system prevents non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6 (10)	Prohibit Non-Privileged Users From Executing Privileged Functions