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 disable the Screen Sharing feature.

DISA Rule

SV-230819r599842_rule

Vulnerability Number

V-230819

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

APPL-11-002050

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

To disable the Screen Sharing service, run the following command:

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

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

Check Contents

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

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

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

"com.apple.screensharing" => true

Vulnerability Number

V-230819

Documentable

False

Rule Version

APPL-11-002050

Severity Override Guidance

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

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

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

"com.apple.screensharing" => true

Check Content Reference

M

Target Key

5246

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