fix(stepfunctions-tasks): scope SubmitBatchJob IAM permissions to specific job definition#37248
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fix(stepfunctions-tasks): scope SubmitBatchJob IAM permissions to specific job definition#37248
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…cific job definition
Previously, BatchSubmitJob granted batch:SubmitJob with a wildcard resource
(job-definition/*), allowing submission to any job definition in the account.
This change scopes the permission to the specific job definition using the
arn:...:job-definition/{name}:* pattern, following the principle of least
privilege. When jobDefinitionArn or jobQueueArn is a JSONPath/JSONata
expression, the policy falls back to * as before.
Closes aws#37214
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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What does this PR do?
BatchSubmitJobcurrently grantsbatch:SubmitJobon*(all resources) when static ARNs are provided. This PR scopes the permission to the specific job queue ARN and a wildcard over all revisions of the job definition (e.g.,arn:aws:batch:...:job-definition/MyDef:*), following least-privilege best practices.When either ARN is a dynamic value (JSONPath / JSONata expression), the existing wildcard behavior is preserved as the ARN cannot be resolved at synthesis time.
Closes
Closes #37214
Testing
:*revision wildcard + job queue ARN*Breaking Changes
None. Previously the policy used
*; this change only restricts the scope, which is a security improvement and not a behavioral breaking change for CDK users.