52 lines
1.4 KiB
YAML
52 lines
1.4 KiB
YAML
id: s3-public-read
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info:
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name: S3 Bucket with Public READ 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' (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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metadata:
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max-request: 2
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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"'
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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 access"'
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# digest: 4a0a00473045022100c0a9951cf1834f311dda7e8506d77563ca19b261254b07db518196933a224149022073682f61c196ae7d6f8f09f162fa702d05ee6f9e70b813d796517a318b6a3724:922c64590222798bb761d5b6d8e72950 |