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MobileIron Sentry must terminate all network connections associated with a device management session at the end of the session, or the session must be terminated after 10 minutes of inactivity except to fulfill documented and validated mission requirement.


Overview

Finding ID Version Rule ID IA Controls Severity
V-250996 MOIS-ND-000550 SV-250996r802210_rule High
Description
Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has been left unattended. In addition, quickly terminating an idle session will also free up resources committed by the managed network element. Terminating network connections associated with communications sessions includes, for example, de-allocating associated TCP/IP address/port pairs at the operating system level, or de-allocating networking assignments at the application level if multiple application sessions are using a single, operating system-level network connection. This does not mean that the device terminates all sessions or network access; it only ends the inactive session and releases the resources associated with that session.
STIG Date
Ivanti MobileIron Sentry 9.x NDM Security Technical Implementation Guide 2021-09-15

Details

Check Text ( C-54431r802208_chk )
The MobileIron Sentry System Manager has two interfaces, a CLI restricted shell and web-based GUI. In the MobileIron Sentry MICS portal, verify that the MobileIron Sentry CLI timeout is set to 10 minutes.

1. Log in to MobileIron Sentry.
2. Go to Settings >> CLI.
3. Within CLI Configuration, verify the CLI Session Timeout(minutes) is set to greater than 10 minutes.

If the CLI Session Timeout(minutes) is not set to greater than 10 minutes, this is a finding.
Fix Text (F-54385r802209_fix)
Configure the Sentry to terminate the connection associated with a device management session at the end of the session or after 10 minutes of inactivity.

1. Log in to MobileIron Sentry.
2. Go to Settings >> CLI.
3. Within CLI Configuration, input "10" for CLI Session Timeout(minutes).
4. Click "Apply".