Cis AWS Euc 4.3
DevOps & Securitycis-aws-euc-4.3Cis AWS Euc 4.3 is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.
Ensure Workdocs access is limited to a range of allowable IP addresses
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Ensure Workdocs access is limited to a range of allowable IP addresses (Manual)
Profile Applicability
- Level 1
Description
Access to WorkDocs can be limited to an allowed range of IP addresses.
Rationale
Using IP address allow lists, you define and permit access to your WorkDocs site from trusted networks.
Impact
IP Lists currently only work for IPv4 addresses and denying access through an IP list is not supported.
Audit Procedure
Perform these steps to review the list of IP addresses allowed to access WorkDocs.
Using AWS Console
- Log into the AWS console
- Navigate to WorkDocs or go to WorkDocs Console at
https://console.aws.amazon.com/zocalo/ - Under My Account, choose Open admin control panel
- For IP Allow List, choose Change
- Review the IP address ranges and any single IP addresses
- Click Cancel
If the IP address ranges do not match trusted networks refer to the remediation below to create or edit the IP Allow list.
Using AWS CLI
Not applicable - must be audited via Console.
Expected Result
IP Allow List is configured with trusted IP ranges only.
Remediation
Using AWS Console
Perform the steps below to create or edit the IP Allow list for WorkDocs:
- Log into the AWS console
- Navigate to WorkDocs or go to WorkDocs Console at
https://console.aws.amazon.com/zocalo/ - Under My Account, choose Open admin control panel
- For IP Allow List, choose Change
- For Enter CIDR value, enter the IP address ranges to allowlist. To allow access from a single IP address, specify /32 as the CIDR prefix
- Click Add
- Click Save Changes
Using AWS CLI
Not applicable - must be configured via Console.
Default Value
By default, no IP addresses are allowed.
References
- https://docs.aws.amazon.com/workdocs/latest/adminguide/prereqs.html
- https://aws.amazon.com/about-aws/whats-new/2018/10/amazon-workdocs-control-ip-address-access/
- https://docs.aws.amazon.com/workdocs/latest/adminguide/workdocs-ag.pdf
- 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.
v7:
- 14.6 Protect Information through Access Control Lists
- Protect all information stored on systems with file system, network share, claims, application, or database specific access control lists. These controls will enforce the principle that only authorized individuals should have access to the information based on their need to access the information as a part of their responsibilities.
Profile
Level 1