cyberstrikeus Ensure maximum session duration is no longer than 10 hours (Automated)
Profile Applicability
- Level 1
Description
When creating a fleet for AppStream 2.0 configure the Maximum session duration in minutes to be no greater than 600.
Rationale
Having a session duration lasting longer than 10 hours should not be necessary and if running for any malicious reasons provides a greater time for usage than should be allowed.
Impact
None - this is a security best practice.
Audit Procedure
Perform the following steps to view the Fleet settings in AppStream.
Using AWS Console
- Log in to the AppStream 2.0 console at
https://console.aws.amazon.com/appstream2 - In the left pane click on Fleets
- Select the link for the fleet name you wish to view
- On the Fleet configuration section confirm that Maximum session duration is set to 600 minutes or less
If Maximum session duration is set to anything greater than 600 minutes refer to the remediation below.
Using AWS CLI
Not applicable - must be audited via Console.
Expected Result
Maximum session duration is set to 600 minutes (10 hours) or less.
Remediation
Using AWS Console
Perform the following steps to edit the Fleet settings in AppStream:
- Log in to the AppStream 2.0 console at
https://console.aws.amazon.com/appstream2 - In the left pane click on Fleets
- Select the link for the fleet name you wish to edit
- Click Actions, Stop
- Scroll to the Fleet configuration section and click Edit
- Change the Maximum session duration is set to 600 minutes or less and click Save Changes
- Click Actions, Start
Using AWS CLI
Not applicable - must be configured via Console.
Default Value
By default, AWS Appstream 2.0 maximum session time is 960 minutes.
References
- https://docs.aws.amazon.com/appstream2/latest/developerguide/set-up-stacks-fleets.html
- https://us-east-1.console.aws.amazon.com/appstream2/home?region=us-east-1#/create-fleet
CIS Controls
v8:
- 0.0 Explicitly Not Mapped
v7:
- 0.0 Explicitly Not Mapped
Profile
Level 1