50 lines
1.2 KiB
YAML
50 lines
1.2 KiB
YAML
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id: s3-public-read-acp
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info:
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name: S3 Bucket with Public READ_ACP Access
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author: princechaddha
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severity: critical
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description: |
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Verifies that Amazon S3 buckets do not permit public 'READ_ACP' (LIST) access to anonymous users, protecting against unauthorized data exposure
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reference:
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- https://docs.aws.amazon.com/cli/latest/reference/s3api/get-bucket-acl.html
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tags: cloud,devops,aws,amazon,s3,aws-cloud-config
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flow: |
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code(1)
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for(let bucketName of iterate(template.buckets)){
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set("bucket", bucketName)
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code(2)
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}
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self-contained: true
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code:
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- engine:
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- sh
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- bash
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source: |
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aws s3api list-buckets --query 'Buckets[*].Name'
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extractors:
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- type: json # type of the extractor
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internal: true
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name: buckets
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json:
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- '.[]'
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- engine:
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- sh
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- bash
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source: |
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aws s3api get-bucket-acl --bucket $bucket --query 'Grants[?(Grantee.URI==`http://acs.amazonaws.com/groups/global/AllUsers`)]'
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matchers:
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- type: word
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words:
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- '"Permission": "READ_ACP"'
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extractors:
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- type: dsl
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dsl:
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- '"The S3 bucket " + bucket +" have public READ_ACP access"'
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