STIGQter: STIG Summary: Apple macOS 11 (Big Sur) Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 23 Apr 2021:

The macOS system must be configured to disable SMB File Sharing unless it is required.

DISA Rule

SV-230787r599842_rule

Vulnerability Number

V-230787

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

APPL-11-002001

Severity

CAT II

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

To disable the SMB File Sharing service, run the following command:

/usr/bin/sudo /bin/launchctl disable system/com.apple.smbd

The system may need to be restarted for the update to take effect.

Check Contents

If SMB File Sharing is required, this is not applicable.

To check if the SMB File Sharing service is disabled, use the following command:

/bin/launchctl print-disabled system | /usr/bin/grep com.apple.smbd

If the results do not show the following, this is a finding:

"com.apple.smbd" => true

Vulnerability Number

V-230787

Documentable

False

Rule Version

APPL-11-002001

Severity Override Guidance

If SMB File Sharing is required, this is not applicable.

To check if the SMB File Sharing service is disabled, use the following command:

/bin/launchctl print-disabled system | /usr/bin/grep com.apple.smbd

If the results do not show the following, this is a finding:

"com.apple.smbd" => true

Check Content Reference

M

Target Key

5246

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