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Unauthorized accounts must not have the Impersonate a client after authentication user right.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-26490 | WN12-UR-000025 | SV-52117r1_rule | ECLP-1 | Medium |
| Description |
|---|
| Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. The "Impersonate a client after authentication" user right allows a program to impersonate another user or account to run on their behalf. An attacker could potentially use this to elevate privileges. |
| STIG | Date |
|---|---|
| Windows Server 2012 / 2012 R2 Member Server Security Technical Implementation Guide | 2014-04-02 |
Details
| Check Text ( C-46934r1_chk ) |
|---|
| 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 other than the following are granted the "Impersonate a client after authentication" user right, this is a finding: Administrators Service Local Service Network Service |
| Fix Text (F-45142r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Impersonate a client after authentication" to only include the following accounts or groups: Administrators Service Local Service Network Service |