STIGQter: STIG Summary: VMware vSphere 6.7 ESXi Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Mar 2021:

The ESXi host must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the system via the DCUI.

DISA Rule

SV-239264r674721_rule

Vulnerability Number

V-239264

Group Title

SRG-OS-000023-VMM-000060

Rule Version

ESXI-67-000007

Severity

CAT II

CCI(s)

• CCI-000048 - The information system displays an organization-defined system use notification message or banner before granting access to the system that provides privacy and security notices consistent with applicable federal laws, Executive Orders, directives, policies, regulations, standards, and guidance.
• CCI-000050 - The information system retains the notification message or banner on the screen until users acknowledge the usage conditions and take explicit actions to log on to or further access the information system.

Weight

10

Fix Recommendation

From a PowerCLI command prompt while connected to the ESXi host, copy the following contents into a script(.ps1 file) and run to set the DCUI screen to display the DoD logon banner:

<script begin>

$value = @"
{bgcolor:black} {/color}{align:left}{bgcolor:black}{color:yellow}{hostname} , {ip}{/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:black}{color:yellow}{esxproduct} {esxversion}{/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:black}{color:yellow}{memory} RAM{/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:black}{color:white} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only. By {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} using this IS (which includes any device attached to this IS), you consent to the following conditions: {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} - The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} enforcement (LE), and counterintelligence (CI) investigations. {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} - At any time, the USG may inspect and seize data stored on this IS. {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} - Communications using, or data stored on, this IS are not private, are subject to routine monitoring, {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} interception, and search, and may be disclosed or used for any USG-authorized purpose. {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} - This IS includes security measures (e.g., authentication and access controls) to protect USG interests--not {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} for your personal benefit or privacy. {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} - Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} or monitoring of the content of privileged communications, or work product, related to personal representation {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} product are private and confidential. See User Agreement for details. {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{align:left}{bgcolor:yellow}{color:black} {/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
{bgcolor:black} {/color}{align:left}{bgcolor:dark-grey}{color:white} <F2> Accept Conditions and Customize System / View Logs{/align}{align:right}<F12> Accept Conditions and Shut Down/Restart {bgcolor:black} {/color}{/color}{/bgcolor}{/align}
{bgcolor:black} {/color}{bgcolor:dark-grey}{color:black} {/color}{/bgcolor}
"@

Get-VMHost | Get-AdvancedSetting -Name Annotations.WelcomeMessage | Set-AdvancedSetting -Value $value

<script end>

Check Contents

From the vSphere Client, select the ESXi host and go to Configure >> System >> Advanced System Settings.

Select the "Annotations.WelcomeMessage" value and verify it contains the DoD logon banner to follow.

or

From a PowerCLI command prompt while connected to the ESXi host, run the following command:

Get-VMHost | Get-AdvancedSetting -Name Annotations.WelcomeMessage

Check for either of the following logon banners based on the character limitations imposed by the system. An exact match of the text is required. If one of these banners is not displayed, this is a finding.

You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only.

By using this IS (which includes any device attached to this IS), you consent to the following conditions:

-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.

-At any time, the USG may inspect and seize data stored on this IS.

-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose.

-This IS includes security measures (e.g., authentication and access controls) to protect USG interests- -not for your personal benefit or privacy.

-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details.

OR

I've read & consent to terms in IS user agreem't.

If the DCUI logon screen does not display the DoD logon banner, this is a finding.

Vulnerability Number

V-239264

Documentable

False

Rule Version

ESXI-67-000007

Severity Override Guidance

From the vSphere Client, select the ESXi host and go to Configure >> System >> Advanced System Settings.

Select the "Annotations.WelcomeMessage" value and verify it contains the DoD logon banner to follow.

or

From a PowerCLI command prompt while connected to the ESXi host, run the following command:

Get-VMHost | Get-AdvancedSetting -Name Annotations.WelcomeMessage

Check for either of the following logon banners based on the character limitations imposed by the system. An exact match of the text is required. If one of these banners is not displayed, this is a finding.

You are accessing a U.S. Government (USG) Information System (IS) that is provided for USG-authorized use only.

By using this IS (which includes any device attached to this IS), you consent to the following conditions:

-The USG routinely intercepts and monitors communications on this IS for purposes including, but not limited to, penetration testing, COMSEC monitoring, network operations and defense, personnel misconduct (PM), law enforcement (LE), and counterintelligence (CI) investigations.

-At any time, the USG may inspect and seize data stored on this IS.

-Communications using, or data stored on, this IS are not private, are subject to routine monitoring, interception, and search, and may be disclosed or used for any USG-authorized purpose.

-This IS includes security measures (e.g., authentication and access controls) to protect USG interests- -not for your personal benefit or privacy.

-Notwithstanding the above, using this IS does not constitute consent to PM, LE or CI investigative searching or monitoring of the content of privileged communications, or work product, related to personal representation or services by attorneys, psychotherapists, or clergy, and their assistants. Such communications and work product are private and confidential. See User Agreement for details.

OR

I've read & consent to terms in IS user agreem't.

If the DCUI logon screen does not display the DoD logon banner, this is a finding.

Check Content Reference

M

Target Key

5326

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