The macOS system must be configured to lock the user session when a smart token is removed.

From Apple OS X 10.13 Security Technical Implementation Guide

Associated with: CCI-000058

SV-96461r1_rule The macOS system must be configured to lock the user session when a smart token is removed.

Vulnerability discussion

A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary nature of the absence.The session lock is implemented at the point where session activity can be determined. Rather than be forced to wait for a period of time to expire before the user session can be locked, operating systems need to provide users with the ability to manually invoke a session lock so users may secure their session should they need to temporarily vacate the immediate physical vicinity.

Check content

To check if support for session locking with removal of a token is enabled, run the following command: /usr/sbin/system_profiler SPConfigurationProfileDataType | /usr/bin/grep "tokenRemovalAction = 1;" If there is no result, this is a finding.

Fix text

This is now in the smartcard payload. tokenRemovalAction 1

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