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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 | WINUR-000025 | SV-33425r2_rule | 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 2008 R2 Member Server Security Technical Implementation Guide | 2017-02-27 |
Details
| Check Text ( C-61343r3_chk ) |
|---|
| Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to 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-66035r2_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 |