CCI-000060 in U Apple macOS 13 V1R4

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UNCLASSIFIED

Group Title

SRG-OS-000031-GPOS-00012

Group ID

V-257147

Rule Version

APPL-13-000006

Rule Title

The macOS system must conceal, via the session lock, information previously visible on the display with a publicly viewable image.

Rule ID

SV-257147r905074_rule

Rule Severity

● Medium

Rule Weight

10.0

Vuln Discussion

A default screen saver must be configured for all users, as the screen saver will act as a session timeout lock for the system and must conceal the contents of the screen from unauthorized users. The screen saver must not display any sensitive information or reveal the contents of the locked session screen. Publicly viewable images can include static or dynamic images such as patterns used with screen savers, photographic images, solid colors, a clock, a battery life indicator, or a blank screen.

Documentable

False

Check Content

Verify the macOS system is configured with a screen saver with the following command:

/usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep "moduleName"

moduleName = Ventura;

If there is no result or the "moduleName" is undefined, this is a finding.

Check System

C-60832r905072_chk

Fix Reference

F-60773r905073_fix

Fix Text

Configure the macOS system with a screen saver by installing the "Login Window Policy" configuration profile.

Identities

CCI-000060

Conceal, via the device lock, information previously visible on the display with a publicly viewable image.

800-53 :: AC-11 (1)
800-53 Rev. 4 :: AC-11 (1)
800-53 Rev. 5 :: AC-11 (1)
800-53A :: AC-11 (1).1

Group Title

SRG-OS-000031-GPOS-00012

Group ID

V-257148

Rule Version

APPL-13-000007

Rule Title

The macOS system must be configured to disable hot corners.

Rule ID

SV-257148r905077_rule

Rule Severity

● Medium

Rule Weight

10.0

Vuln Discussion

Although hot corners can be used to initiate a session lock or launch useful applications, they can also be configured to disable an automatic session lock from initiating. Such a configuration introduces the risk that a user might forget to manually lock the screen before stepping away from the computer.

Documentable

False

Check Content

Verify the macOS system is configured to disable hot corners with the following command:

/usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep "wvous"

"wvous-bl-corner" = 0;

"wvous-br-corner" = 0;

"wvous-tl-corner" = 0;

"wvous-tr-corner" = 0;

If the command does not return the following, this is a finding.

"wvous-bl-corner = 0;

wvous-br-corner = 0;

wvous-tl-corner = 0;

wvous-tr-corner = 0;"