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OVAL

Network access: Do not allow anonymous enumeration of SAM accounts and shares

ID: oval:org.secpod.oval:def:40267Date: (C)2017-04-25   (M)2018-07-10
Class: COMPLIANCEFamily: windows




This policy setting controls the ability of anonymous users to enumerate SAM accounts as well as shares. If you enable this policy setting, anonymous users will not be able to enumerate domain account user names and network share names on the workstations in your environment. The Network access: Do not allow anonymous enumeration of SAM accounts and shares setting is configured to Enabled for the two environments that are discussed in this guide. Vulnerability: An unauthorized user could anonymously list account names and shared resources and use the information to attempt to guess passwords or perform social engineering attacks. Counter Measure: Configure the Network access: Do not allow anonymous enumeration of SAM accounts and shares setting to Enabled. Potential Impact: It will be impossible to grant access to users of another domain across a one-way trust because administrators in the trusting domain will be unable to enumerate lists of accounts in the other domain. Users who access file and print servers anonymously will be unable to list the shared network resources on those servers; the users will have to authenticate before they can view the lists of shared folders and printers. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options\Network access: Do not allow anonymous enumeration of SAM accounts and shares (2) REG: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Lsa!RestrictAnonymous

Platform:
Microsoft Windows Server 2016
Reference:
CCE-46525-2
CPE    1
cpe:/o:microsoft:windows_server_2016:::x64
CCE    1
CCE-46525-2
XCCDF    5
xccdf_org.secpod_benchmark_general_Windows_Server_2016
xccdf_org.secpod_benchmark_NIST_800_53_r4_Windows_Server_2016
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_Server_2016
xccdf_org.secpod_benchmark_SecPod_Windows_Server_2016
...

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