59 lines
1.5 KiB
YAML
59 lines
1.5 KiB
YAML
id: s3-bucket-policy-public-access
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info:
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name: Public Access of S3 Buckets via Policy
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author: princechaddha
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severity: critical
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description: |
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This template checks if Amazon S3 buckets are configured to prevent public access via bucket policies
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reference:
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- https://docs.aws.amazon.com/cli/latest/reference/s3api/get-bucket-policy.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-policy --bucket $bucket --query Policy --output text
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matchers-condition: and
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matchers:
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- type: word
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part: body
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words:
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- '"Effect":"Allow"'
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- type: word
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part: body
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words:
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- '"Principal":"*"'
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- '"AWS":"*"'
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extractors:
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- type: dsl
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dsl:
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- '"The S3 bucket " + bucket +" is publicly accessible via Policy"'
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# digest: 4a0a0047304502204fae5eb6e1f955f5a9d53c8f30d1d5fb8742e57e0c2ee96f342abbaa4e2c86fd022100dce6a398ef04206209cf3fc4714c9a933458aca9558d8387e8b42a0aabcc0c57:922c64590222798bb761d5b6d8e72950 |