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SAM API must have data cache enabled

AWS-0110
Service: samSeverity: medium
OfficialBuilt-inVerified

Method cache encryption ensures that any sensitive data in the cache is not vulnerable to compromise in the event of interception

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Recommendation

Enable cache encryption

Check Code

# METADATA
# title: SAM API must have data cache enabled
# description: |
#   Method cache encryption ensures that any sensitive data in the cache is not vulnerable to compromise in the event of interception
# scope: package
# schemas:
#   - input: schema["cloud"]
# related_resources:
#   - https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-apigateway-stage-methodsetting.html#cfn-apigateway-stage-methodsetting-cachedataencrypted
# custom:
#   id: AWS-0110
#   long_id: aws-sam-enable-api-cache-encryption
#   aliases:
#     - AVD-AWS-0110
#     - enable-api-cache-encryption
#     - aws-sam-enable-api-cache-encryption
#   provider: aws
#   service: sam
#   severity: MEDIUM
#   recommended_action: Enable cache encryption
#   input:
#     selector:
#       - type: cloud
#         subtypes:
#           - service: sam
#             provider: aws
#   examples: checks/cloud/aws/sam/enable_api_cache_encryption.yaml
package builtin.aws.sam.aws0110

import rego.v1

deny contains res if {
	some api in input.aws.sam.apis
	isManaged(api)
	not api.restmethodsettings.cachedataencrypted.value
	res := result.new(
		"Cache data is not encrypted.",
		api.restmethodsettings.cachedataencrypted,
	)
}

References