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fix(eks): overly permissive trust policies #25473

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merged 33 commits into from
May 15, 2023

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@iliapolo iliapolo commented May 7, 2023

The CreationRole and the default MastersRole use the account root principal in their trust policy, which is overly permissive. Instead, use the specific lambda handler roles that need it, and remove the default masters role.

BREAKING CHANGE: A masters role is no longer provisioned by default. Use the mastersRole property to explicitly pass a role that needs cluster access. In addition, the creation role no longer allows any identity (with the appropriate sts:AssumeRole permissions) to assume it.


By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

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gitpod-io bot commented May 7, 2023

@github-actions github-actions bot added the p2 label May 7, 2023
@aws-cdk-automation aws-cdk-automation requested a review from a team May 7, 2023 16:25
@mergify mergify bot added the contribution/core This is a PR that came from AWS. label May 7, 2023
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iliapolo commented May 8, 2023

@comcalvi The EKS tests finally pass! :)

But looks like there are a bunch of step-functions tests that need updating as well.

@comcalvi comcalvi marked this pull request as ready for review May 9, 2023 21:27
@aws-cdk-automation aws-cdk-automation added the pr/needs-community-review This PR needs a review from a Trusted Community Member or Core Team Member. label May 10, 2023
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The pull request linter has failed. See the aws-cdk-automation comment below for failure reasons. If you believe this pull request should receive an exemption, please comment and provide a justification.

A comment requesting an exemption should contain the text Exemption Request. Additionally, if clarification is needed add Clarification Request to a comment.

@iliapolo iliapolo added the pr-linter/exempt-breaking-change The PR linter will not require stability in stable modules label May 15, 2023
@aws-cdk-automation aws-cdk-automation dismissed their stale review May 15, 2023 07:03

✅ Updated pull request passes all PRLinter validations. Dismissing previous PRLinter review.

@iliapolo iliapolo requested a review from a team May 15, 2023 07:31
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mergify bot commented May 15, 2023

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

@iliapolo iliapolo force-pushed the epolon/eks-creation-role-trust-policy branch from f3b633d to 3242e99 Compare May 15, 2023 08:05
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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

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Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

@iliapolo iliapolo marked this pull request as ready for review May 15, 2023 16:12
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AWS CodeBuild CI Report

  • CodeBuild project: AutoBuildv2Project1C6BFA3F-wQm2hXv2jqQv
  • Commit ID: 3498490
  • Result: SUCCEEDED
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mergify bot commented May 15, 2023

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

@mergify mergify bot merged commit 51f0193 into main May 15, 2023
@mergify mergify bot deleted the epolon/eks-creation-role-trust-policy branch May 15, 2023 16:39
mergify bot pushed a commit that referenced this pull request May 16, 2023
Backporting #25473

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The *CreationRole* and the *default MastersRole* use the account root principal in their trust policy, which is overly permissive. Instead, use the specific lambda handler roles that need it, and remove the default masters role.

BREAKING CHANGE: A masters role is no longer provisioned by default. Use the `mastersRole` property to explicitly pass a role that needs cluster access. In addition, the creation role no longer allows any identity (with the appropriate `sts:AssumeRole` permissions) to assume it. 

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
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