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Published 20 hours ago • verified publisher icon jill64

fix(deps): update dependency aws-cdk-lib to v2.184.0 [security] - abandoned

Open renovate[bot] opened this issue 8 months ago • 5 comments

This PR contains the following updates:

Package Change Age Adoption Passing Confidence
aws-cdk-lib (source) 2.183.0 -> 2.184.0 age adoption passing confidence

GitHub Vulnerability Alerts

GHSA-5pq3-h73f-66hr

Summary

The AWS Cloud Development Kit (CDK) is an open-source framework for defining cloud infrastructure using code. Users use it to create their own applications, which are converted to AWS CloudFormation templates during deployment to a user's AWS account. AWS CDK contains pre-built components called "constructs," which are higher-level abstractions providing defaults and best practices. This approach enables developers to use familiar programming languages to define complex cloud infrastructure more efficiently than writing raw CloudFormation templates.

The AWS CodePipeline construct deploys CodePipeline, a managed service that orchestrates software release processes through a series of stages, each comprising one or more actions executed by CodePipeline. To perform these actions, CodePipeline assumes IAM roles with permissions necessary for each step, allowing it to interact with AWS services and resources on behalf of the user.

An issue exists where, when using CDK to create a CodePipeline with the CDK Construct Library, CDK creates an AWS Identity and Access Management (AWS IAM) trust policy with overly broad permissions. Any user with unrestricted sts:AssumeRole permissions could assume that trust policy. This issue does not affect users who supply their own role for CodePipeline.

Impact

To leverage the issue, an actor has to be authenticated in the account and have an unrestricted sts:AssumeRole permission. The permissions an actor could leverage depend on the actions added to the pipeline. Possible permissions include actions on services such as CloudFormation, CodeCommit, Lambda, and ECS, as well as access to the S3 bucket holding pipeline build artifacts (see documentation).

Users can review their AWS CloudTrail logs for when the role was assumed to determine if this was expected.

Impacted versions: <v2.184.0

Patches

The patches are included in the CDK Construct Library release v2.184.0. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes.

When new CDK applications using the latest version are initialized, they will use the new behavior with more restrictive permissions.

Existing applications must upgrade to the latest version, change the feature flag (@​aws-cdk/pipelines:reduceStageRoleTrustScope) to true and redeploy the application to apply this fix and use the new behavior with more restrictive permissions.

Workarounds

You can explicitly supply the role for your CodePipeline and follow the policy recommendations detailed in CodePipeline documentation.

References

Original reporting issue.

If you have any questions or comments about this advisory please contact AWS/Amazon Security via our vulnerability reporting page or directly via email to [email protected]. Please do not create a public GitHub issue.

Release Notes

aws/aws-cdk (aws-cdk-lib)

v2.184.0

Compare Source

Features
Bug Fixes

Alpha modules (2.184.0-alpha.0)

âš  BREAKING CHANGES TO EXPERIMENTAL FEATURES
  • glue-alpha: Updated casing of workflow.addconditionalTrigger to workflow.addConditionalTrigger.
Bug Fixes

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renovate[bot] avatar Mar 24 '25 16:03 renovate[bot]