Vulnerability V-254401

This applies to domain controllers. It is NA for other systems. Review the auditing configuration for all Group Policy objects. Open "Group Policy Management" (available from various menus or run "gpmc.msc"). Navigate to "Group Policy Objects" in the domain being reviewed (Forest >> Domains >> Domain). For each Group Policy object: Select the Group Policy object item in the left pane. Select the "Delegation" tab in the right pane. Select "Advanced". Select "Advanced" again and then the "Auditing" tab. If the audit settings for any Group Policy object are not at least as inclusive as those below, this is a finding: Type - Fail Principal - Everyone Access - Full Control Applies to - This object and all descendant objects or Descendant groupPolicyContainer objects The three Success types listed below are defaults inherited from the Parent Object. Where Special is listed in the summary screens for Access, detailed Permissions are provided for reference. Type - Success Principal - Everyone Access - Special (Permissions: Write all properties, Modify permissions; Properties: all "Write" type selected) Inherited from - Parent Object Applies to - Descendant groupPolicyContainer objects Two instances with the following summary information will be listed: Type - Success Principal - Everyone Access - blank (Permissions: none selected; Properties: one instance - Write gPLink, one instance - Write gPOptions) Inherited from - Parent Object Applies to - Descendant Organization Unit Objects

Configure the audit settings for Group Policy objects to include the following: This can be done at the Policy level in Active Directory to apply to all group policies. Open "Active Directory Users and Computers" (available from various menus or run "dsa.msc"). Select "Advanced Features" from the "View" Menu. Navigate to [Domain] >> System >> Policies in the left panel. Right-click "Policies", select "Properties". Select the "Security" tab. Select "Advanced". Select the "Auditing" tab. Type - Fail Principal - Everyone Access - Full Control Applies to - This object and all descendant objects or Descendant groupPolicyContainer objects The three Success types listed below are defaults inherited from the Parent Object. Where Special is listed in the summary screens for Access, detailed Permissions are provided for reference. Type - Success Principal - Everyone Access - Special (Permissions: Write all properties, Modify permissions; Properties: all "Write" type selected) Inherited from - Parent Object Applies to - Descendant groupPolicyContainer objects Two instances with the following summary information will be listed: Type - Success Principal - Everyone Access - blank (Permissions: none selected; Properties: one instance - Write gPLink, one instance - Write gPOptions) Inherited from - Parent Object Applies to - Descendant Organization Unit Objects