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CCE
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CCE-2804-3

Platform: cpe:/o:microsoft:windows_xpDate: (C)2012-03-13   (M)2023-07-14



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. Countermeasure: 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.


Parameter:

[enabled/disabled]


Technical Mechanism:

(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

CCSS Severity:CCSS Metrics:
CCSS Score : 8.1Attack Vector: NETWORK
Exploit Score: 2.2Attack Complexity: HIGH
Impact Score: 5.9Privileges Required: NONE
Severity: HIGHUser Interaction: NONE
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HScope: UNCHANGED
 Confidentiality: HIGH
 Integrity: HIGH
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:gov.nist.usgcb.xp:def:88
BITS Shared Assessments SIG v6.0BITS Shared Assessments SIG v6.0
Jericho ForumJericho Forum
HIPAA/HITECH ActHIPAA/HITECH Act
FedRAMP Security Controls(Final Release Jan 2012)--LOW IMPACT LEVEL--FedRAMP Security Controls(Final Release Jan 2012)--LOW IMPACT LEVEL--
ISO/IEC 27001-2005ISO/IEC 27001-2005
COBIT 4.1COBIT 4.1
GAPP (Aug 2009)GAPP (Aug 2009)
NERC CIPNERC CIP
NIST SP800-53 R3NIST SP800-53 R3 AC-3
NIST SP800-53 R3NIST SP800-53 R3 CM-6
NIST SP800-53 R3NIST SP800-53 R3 CM-7
NIST SP800-53 R3NIST SP800-53 R3 SC-5
PCIDSS v2.0PCIDSS v2.0
FedRAMP Security Controls(Final Release Jan 2012)--MODERATE IMPACT LEVEL--FedRAMP Security Controls(Final Release Jan 2012)--MODERATE IMPACT LEVEL--
BITS Shared Assessments AUP v5.0BITS Shared Assessments AUP v5.0


OVAL    1
oval:gov.nist.usgcb.xp:def:88
XCCDF    4
xccdf_gov.nist_benchmark_USGCB-Windows-XP
xccdf_org.secpod_benchmark_hipaa_windows_xp
xccdf_org.secpod_benchmark_nist_windows_xp
xccdf_org.secpod_benchmark_nerc_cip_Windows_XP
...

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