cis-aws-euc-4-5

name	cis-aws-euc-4.5
description	Ensure new users can only be invited from allowed domains
category	cis-end-user-compute
version	1.2.0
author	cyberstrike-official
tags	["cis","aws","end-user-compute","workdocs","access-control","domain-restriction"]
cis_id	4.5
cis_benchmark	CIS AWS End User Compute Services Benchmark v1.2.0
tech_stack	["aws"]
cwe_ids	["CWE-284"]
chains_with	[]
prerequisites	[]
severity_boost	{}

Ensure new users can only be invited from allowed domains (Manual)

Profile Applicability

• Level 1

Description

Users that are allowed access to shared files or folders in WorkDocs should be limited to specific domains.

Rationale

To control who should be allowed to join your WorkDocs site, users should be limited on who they can invite sharing files or folders with new people from the specified domains.

Audit Procedure

Perform the steps to confirm WorkDocs file and sharing folders is controlled by specified domains.

Using WorkDocs Admin Control Panel

1. Log in to WorkDocs as an Administrator
2. Click Security
3. Under Invite settings
4. Confirm that only:

Users can invite new people from a few specific domains by sharing files or folders with them

5. Confirm the listed Domains is accurate

If the setting is not set to "Users can invite new people from a few specific domains by sharing files or folders with them" or the domains listed is not accurate refer to the remediation below.

Using AWS Console

Not applicable - must be audited via WorkDocs Admin control panel.

Expected Result

WorkDocs invite settings restrict user invitations to approved domains only.

Remediation

Using WorkDocs Admin Control Panel

Perform the steps to set WorkDocs file and sharing folders to be controlled by specified domains:

1. Log in to WorkDocs as an Administrator
2. Click Security
3. Under Invite settings
4. Select:

Users can invite new people from a few specific domains by sharing files or folders with them

5. Add in or edit the listed allowed Domains

Using AWS CLI

Not applicable - must be configured via WorkDocs Admin control panel.

Default Value

By default, this setting is disabled.

References

1. https://docs.aws.amazon.com/workdocs/latest/adminguide/manage-sites.html

CIS Controls

v8:

• 3.3 Configure Data Access Control Lists
  • Configure data access control lists based on a user's need to know. Apply data access control lists, also known as access permissions, to local and remote file systems, databases, and applications.