MSK Cluster Encryption Disabled

Query id: a976d63f-af0e-46e8-b714-8c1a9c4bf768
Query name: MSK Cluster Encryption Disabled
Platform: CloudFormation
Severity: High
Category: Encryption
URL: Github

Description¶

Ensure MSK Cluster encryption in rest and transit is enabled
Documentation

Code samples¶

Code samples with security vulnerabilities¶

Positive test num. 1 - yaml file

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Positive test num. 2 - yaml file

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Positive test num. 3 - yaml file

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Description: MSK Cluster with all properties sources: TestCluster5: Type: 'AWS::MSK::Cluster' class="w">    Properties: ClusterName: ClusterWithAllProperties KafkaVersion: 2.2.1 NumberOfBrokerNodes: 3 EnhancedMonitoring: PER_BROKER OpenMonitoring: Prometheus: JmxExporter: EnabledInBroker: "true" NodeExporter: EnabledInBroker: "true" ConfigurationInfo: Arn: ReplaceWithConfigurationArn Revision: 1 ClientAuthentication: Tls: CertificateAuthorityArnList: - ReplaceWithCAArn Tags: Environment: Test Owner: QATeam BrokerNodeGroupInfo: BrokerAZDistribution: DEFAULT InstanceType: kafka.m5.large SecurityGroups: - ReplaceWithSecurityGroupId StorageInfo: EBSStorageInfo: VolumeSize: 100 ClientSubnets: - ReplaceWithSubnetId1 - ReplaceWithSubnetId2 - ReplaceWithSubnetId3 /span>Description: MSK Cluster with all properties sources: TestCluster6: Type: 'AWS::MSK::Cluster' Properties: ClusterName: ClusterWithAllProperties KafkaVersion: 2.2.1 NumberOfBrokerNodes: 3 EnhancedMonitoring: PER_BROKER EncryptionInfo: EncryptionAtRest: DataVolumeKMSKeyId: ReplaceWithKmsKeyArn EncryptionInTransit: class="w">          ClientBroker: PLAINTEXT OpenMonitoring: Prometheus: JmxExporter: EnabledInBroker: "true" NodeExporter: EnabledInBroker: "true" ConfigurationInfo: Arn: ReplaceWithConfigurationArn Revision: 1 ClientAuthentication: Tls: CertificateAuthorityArnList: - ReplaceWithCAArn Tags: Environment: Test Owner: QATeam BrokerNodeGroupInfo: BrokerAZDistribution: DEFAULT InstanceType: kafka.m5.large SecurityGroups: - ReplaceWithSecurityGroupId StorageInfo: EBSStorageInfo: VolumeSize: 100 ClientSubnets: - ReplaceWithSubnetId1 - ReplaceWithSubnetId2 - ReplaceWithSubnetId3 /span>Description: MSK Cluster with all properties sources: TestCluster7: Type: 'AWS::MSK::Cluster' Properties: ClusterName: ClusterWithAllProperties KafkaVersion: 2.2.1 NumberOfBrokerNodes: 3 EnhancedMonitoring: PER_BROKER EncryptionInfo: EncryptionAtRest: DataVolumeKMSKeyId: ReplaceWithKmsKeyArn EncryptionInTransit: class="w">          InCluster: false OpenMonitoring: Prometheus: JmxExporter: EnabledInBroker: "true" NodeExporter: EnabledInBroker: "true" ConfigurationInfo: Arn: ReplaceWithConfigurationArn Revision: 1 ClientAuthentication: Tls: CertificateAuthorityArnList: - ReplaceWithCAArn Tags: Environment: Test Owner: QATeam BrokerNodeGroupInfo: BrokerAZDistribution: DEFAULT InstanceType: kafka.m5.large SecurityGroups: - ReplaceWithSecurityGroupId StorageInfo: EBSStorageInfo: VolumeSize: 100 ClientSubnets: - ReplaceWithSubnetId1 - ReplaceWithSubnetId2 - ReplaceWithSubnetId3
Positive test num. 4 - json file

{
  "Description": "MSK Cluster with all properties",
  "Resources": {
    "TestCluster8": {
      "Type": "AWS::MSK::Cluster",
      "Properties": {
        "ClusterName": "ClusterWithAllProperties",
        "KafkaVersion": "2.2.1",
        "NumberOfBrokerNodes": 3,
        "EnhancedMonitoring": "PER_BROKER",
        "OpenMonitoring": {
          "Prometheus": {
            "JmxExporter": {
              "EnabledInBroker": "true"
            },
            "NodeExporter": {
              "EnabledInBroker": "true"
            }
          }
        },
        "ConfigurationInfo": {
          "Arn": "ReplaceWithConfigurationArn",
          "Revision": 1
        },
        "ClientAuthentication": {
          "Tls": {
            "CertificateAuthorityArnList": [
              "ReplaceWithCAArn"
            ]
          }
        },
        "Tags": {
          "Environment": "Test",
          "Owner": "QATeam"
        },
        "BrokerNodeGroupInfo": {
          "BrokerAZDistribution": "DEFAULT",
          "InstanceType": "kafka.m5.large",
          "SecurityGroups": [
            "ReplaceWithSecurityGroupId"
          ],
          "StorageInfo": {
            "EBSStorageInfo": {
              "VolumeSize": 100
            }
          },
          "ClientSubnets": [
            "ReplaceWithSubnetId1",
            "ReplaceWithSubnetId2",
            "ReplaceWithSubnetId3"
          ]
        }
      }
    }
  }
}


Positive test num. 5 - json file

{
  "Description": "MSK Cluster with all properties",
  "Resources": {
    "TestCluster9": {
      "Type": "AWS::MSK::Cluster",
      "Properties": {
        "ClusterName": "ClusterWithAllProperties",
        "KafkaVersion": "2.2.1",
        "NumberOfBrokerNodes": 3,
        "EnhancedMonitoring": "PER_BROKER",
        "EncryptionInfo": {
          "EncryptionAtRest": {
            "DataVolumeKMSKeyId": "ReplaceWithKmsKeyArn"
          },
          "EncryptionInTransit": {
            "ClientBroker": "PLAINTEXT"
          }
        },
        "OpenMonitoring": {
          "Prometheus": {
            "JmxExporter": {
              "EnabledInBroker": "true"
            },
            "NodeExporter": {
              "EnabledInBroker": "true"
            }
          }
        },
        "ConfigurationInfo": {
          "Arn": "ReplaceWithConfigurationArn",
          "Revision": 1
        },
        "ClientAuthentication": {
          "Tls": {
            "CertificateAuthorityArnList": [
              "ReplaceWithCAArn"
            ]
          }
        },
        "Tags": {
          "Environment": "Test",
          "Owner": "QATeam"
        },
        "BrokerNodeGroupInfo": {
          "BrokerAZDistribution": "DEFAULT",
          "InstanceType": "kafka.m5.large",
          "SecurityGroups": [
            "ReplaceWithSecurityGroupId"
          ],
          "StorageInfo": {
            "EBSStorageInfo": {
              "VolumeSize": 100
            }
          },
          "ClientSubnets": [
            "ReplaceWithSubnetId1",
            "ReplaceWithSubnetId2",
            "ReplaceWithSubnetId3"
          ]
        }
      }
    }
  }
}


Positive test num. 6 - json file

{
  "Description": "MSK Cluster with all properties",
  "Resources": {
    "TestCluster10": {
      "Type": "AWS::MSK::Cluster",
      "Properties": {
        "ClusterName": "ClusterWithAllProperties",
        "KafkaVersion": "2.2.1",
        "NumberOfBrokerNodes": 3,
        "EnhancedMonitoring": "PER_BROKER",
        "EncryptionInfo": {
          "EncryptionAtRest": {
            "DataVolumeKMSKeyId": "ReplaceWithKmsKeyArn"
          },
          "EncryptionInTransit": {
            "InCluster": "false"
          }
        },
        "OpenMonitoring": {
          "Prometheus": {
            "JmxExporter": {
              "EnabledInBroker": "true"
            },
            "NodeExporter": {
              "EnabledInBroker": "true"
            }
          }
        },
        "ConfigurationInfo": {
          "Arn": "ReplaceWithConfigurationArn",
          "Revision": 1
        },
        "ClientAuthentication": {
          "Tls": {
            "CertificateAuthorityArnList": [
              "ReplaceWithCAArn"
            ]
          }
        },
        "Tags": {
          "Environment": "Test",
          "Owner": "QATeam"
        },
        "BrokerNodeGroupInfo": {
          "BrokerAZDistribution": "DEFAULT",
          "InstanceType": "kafka.m5.large",
          "SecurityGroups": [
            "ReplaceWithSecurityGroupId"
          ],
          "StorageInfo": {
            "EBSStorageInfo": {
              "VolumeSize": 100
            }
          },
          "ClientSubnets": [
            "ReplaceWithSubnetId1",
            "ReplaceWithSubnetId2",
            "ReplaceWithSubnetId3"
          ]
        }
      }
    }
  }
}



Code samples without security vulnerabilities¶
Negative test num. 1 - yaml fileDescription: MSK Cluster with all properties
Resources:
  TestCluster:
    Type: 'AWS::MSK::Cluster'
    Properties:
      ClusterName: ClusterWithAllProperties
      KafkaVersion: 2.2.1
      NumberOfBrokerNodes: 3
      EnhancedMonitoring: PER_BROKER
      EncryptionInfo:
        EncryptionAtRest:
          DataVolumeKMSKeyId: ReplaceWithKmsKeyArn
        EncryptionInTransit:
          ClientBroker: TLS
          InCluster: true
      OpenMonitoring:
        Prometheus:
          JmxExporter:
            EnabledInBroker: "true"
          NodeExporter:
            EnabledInBroker: "true"
      ConfigurationInfo:
        Arn: ReplaceWithConfigurationArn
        Revision: 1
      ClientAuthentication:
        Tls:
          CertificateAuthorityArnList:
            - ReplaceWithCAArn
      Tags:
        Environment: Test
        Owner: QATeam
      BrokerNodeGroupInfo:
        BrokerAZDistribution: DEFAULT
        InstanceType: kafka.m5.large
        SecurityGroups:
          - ReplaceWithSecurityGroupId
        StorageInfo:
          EBSStorageInfo:
            VolumeSize: 100
        ClientSubnets:
          - ReplaceWithSubnetId1
          - ReplaceWithSubnetId2
          - ReplaceWithSubnetId3

Negative test num. 2 - yaml fileDescription: MSK Cluster with all properties
Resources:
  TestCluster2:
    Type: 'AWS::MSK::Cluster'
    Properties:
      ClusterName: ClusterWithAllProperties
      KafkaVersion: 2.2.1
      NumberOfBrokerNodes: 3
      EnhancedMonitoring: PER_BROKER
      EncryptionInfo:
        EncryptionAtRest:
          DataVolumeKMSKeyId: ReplaceWithKmsKeyArn
        EncryptionInTransit:
          ClientBroker: TLS
      OpenMonitoring:
        Prometheus:
          JmxExporter:
            EnabledInBroker: "true"
          NodeExporter:
            EnabledInBroker: "true"
      ConfigurationInfo:
        Arn: ReplaceWithConfigurationArn
        Revision: 1
      ClientAuthentication:
        Tls:
          CertificateAuthorityArnList:
            - ReplaceWithCAArn
      Tags:
        Environment: Test
        Owner: QATeam
      BrokerNodeGroupInfo:
        BrokerAZDistribution: DEFAULT
        InstanceType: kafka.m5.large
        SecurityGroups:
          - ReplaceWithSecurityGroupId
        StorageInfo:
          EBSStorageInfo:
            VolumeSize: 100
        ClientSubnets:
          - ReplaceWithSubnetId1
          - ReplaceWithSubnetId2
          - ReplaceWithSubnetId3

Negative test num. 3 - json file{
  "Description": "MSK Cluster with all properties",
  "Resources": {
    "TestCluster3": {
      "Type": "AWS::MSK::Cluster",
      "Properties": {
        "ClusterName": "ClusterWithAllProperties",
        "KafkaVersion": "2.2.1",
        "NumberOfBrokerNodes": 3,
        "EnhancedMonitoring": "PER_BROKER",
        "EncryptionInfo": {
          "EncryptionAtRest": {
            "DataVolumeKMSKeyId": "ReplaceWithKmsKeyArn"
          },
          "EncryptionInTransit": {
            "ClientBroker": "TLS",
            "InCluster": true
          }
        },
        "OpenMonitoring": {
          "Prometheus": {
            "JmxExporter": {
              "EnabledInBroker": "true"
            },
            "NodeExporter": {
              "EnabledInBroker": "true"
            }
          }
        },
        "ConfigurationInfo": {
          "Arn": "ReplaceWithConfigurationArn",
          "Revision": 1
        },
        "ClientAuthentication": {
          "Tls": {
            "CertificateAuthorityArnList": [
              "ReplaceWithCAArn"
            ]
          }
        },
        "Tags": {
          "Environment": "Test",
          "Owner": "QATeam"
        },
        "BrokerNodeGroupInfo": {
          "BrokerAZDistribution": "DEFAULT",
          "InstanceType": "kafka.m5.large",
          "SecurityGroups": [
            "ReplaceWithSecurityGroupId"
          ],
          "StorageInfo": {
            "EBSStorageInfo": {
              "VolumeSize": 100
            }
          },
          "ClientSubnets": [
            "ReplaceWithSubnetId1",
            "ReplaceWithSubnetId2",
            "ReplaceWithSubnetId3"
          ]
        }
      }
    }
  }
}

Negative test num. 4 - json file

{
  "Description": "MSK Cluster with all properties",
  "Resources": {
    "TestCluster4": {
      "Type": "AWS::MSK::Cluster",
      "Properties": {
        "ClusterName": "ClusterWithAllProperties",
        "KafkaVersion": "2.2.1",
        "NumberOfBrokerNodes": 3,
        "EnhancedMonitoring": "PER_BROKER",
        "EncryptionInfo": {
          "EncryptionAtRest": {
            "DataVolumeKMSKeyId": "ReplaceWithKmsKeyArn"
          },
          "EncryptionInTransit": {
            "ClientBroker": "TLS"
          }
        },
        "OpenMonitoring": {
          "Prometheus": {
            "JmxExporter": {
              "EnabledInBroker": "true"
            },
            "NodeExporter": {
              "EnabledInBroker": "true"
            }
          }
        },
        "ConfigurationInfo": {
          "Arn": "ReplaceWithConfigurationArn",
          "Revision": 1
        },
        "ClientAuthentication": {
          "Tls": {
            "CertificateAuthorityArnList": [
              "ReplaceWithCAArn"
            ]
          }
        },
        "Tags": {
          "Environment": "Test",
          "Owner": "QATeam"
        },
        "BrokerNodeGroupInfo": {
          "BrokerAZDistribution": "DEFAULT",
          "InstanceType": "kafka.m5.large",
          "SecurityGroups": [
            "ReplaceWithSecurityGroupId"
          ],
          "StorageInfo": {
            "EBSStorageInfo": {
              "VolumeSize": 100
            }
          },
          "ClientSubnets": [
            "ReplaceWithSubnetId1",
            "ReplaceWithSubnetId2",
            "ReplaceWithSubnetId3"
          ]
        }
      }
    }
  }
}