AKS With Authorized IP Ranges Disabled

  • Query id: 2583fab1-953b-4fae-bd02-4a136a6c21f9
  • Query name: AKS With Authorized IP Ranges Disabled
  • Platform: AzureResourceManager
  • Severity: Medium
  • Category: Networking and Firewall
  • URL: Github

Description

Azure Kubernetes Service must have an authorized IP range for API Services enabled
Documentation

Code samples

Code samples with security vulnerabilities

Postitive test num. 1 - json file
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "name": "aksCluster1",
      "type": "Microsoft.ContainerService/managedClusters",
      "apiVersion": "2017-08-31",
      "location": "[resourceGroup().location]",
      "properties": {
        "kubernetesVersion": "1.15.7",
        "dnsPrefix": "dnsprefix",
        "agentPoolProfiles": [
          {
            "name": "agentpool",
            "count": 2,
            "vmSize": "Standard_A1",
            "osType": "Linux",
            "storageProfile": "ManagedDisks"
          }
        ],
        "linuxProfile": {
          "adminUsername": "adminUserName",
          "ssh": {
            "publicKeys": [
              {
                "keyData": "keyData"
              }
            ]
          }
        },
        "servicePrincipalProfile": {
          "clientId": "servicePrincipalAppId",
          "secret": "servicePrincipalAppPassword"
        }
      }
    }
  ]
}
Postitive test num. 2 - json file
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "name": "aksCluster1",
      "type": "Microsoft.ContainerService/managedClusters",
      "apiVersion": "2019-02-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "kubernetesVersion": "1.15.7",
        "dnsPrefix": "dnsprefix",
        "agentPoolProfiles": [
          {
            "name": "agentpool",
            "count": 2,
            "vmSize": "Standard_A1",
            "osType": "Linux",
            "storageProfile": "ManagedDisks"
          }
        ],
        "linuxProfile": {
          "adminUsername": "adminUserName",
          "ssh": {
            "publicKeys": [
              {
                "keyData": "keyData"
              }
            ]
          }
        },
        "servicePrincipalProfile": {
          "clientId": "servicePrincipalAppId",
          "secret": "servicePrincipalAppPassword"
        }
      }
    }
  ]
}
Postitive test num. 3 - json file
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "name": "aksCluster1",
      "type": "Microsoft.ContainerService/managedClusters",
      "apiVersion": "2019-02-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "kubernetesVersion": "1.15.7",
        "dnsPrefix": "dnsprefix",
        "agentPoolProfiles": [
          {
            "name": "agentpool",
            "count": 2,
            "vmSize": "Standard_A1",
            "osType": "Linux",
            "storageProfile": "ManagedDisks"
          }
        ],
        "linuxProfile": {
          "adminUsername": "adminUserName",
          "ssh": {
            "publicKeys": [
              {
                "keyData": "keyData"
              }
            ]
          }
        },
        "servicePrincipalProfile": {
          "clientId": "servicePrincipalAppId",
          "secret": "servicePrincipalAppPassword"
        },
        "apiServerAuthorizedIPRanges": []
      }
    }
  ]
}

Postitive test num. 4 - json file
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "name": "aksCluster1",
      "type": "Microsoft.ContainerService/managedClusters",
      "apiVersion": "2020-02-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "kubernetesVersion": "1.15.7",
        "dnsPrefix": "dnsprefix",
        "agentPoolProfiles": [
          {
            "name": "agentpool",
            "count": 2,
            "vmSize": "Standard_A1",
            "osType": "Linux",
            "storageProfile": "ManagedDisks"
          }
        ],
        "linuxProfile": {
          "adminUsername": "adminUserName",
          "ssh": {
            "publicKeys": [
              {
                "keyData": "keyData"
              }
            ]
          }
        },
        "servicePrincipalProfile": {
          "clientId": "servicePrincipalAppId",
          "secret": "servicePrincipalAppPassword"
        }
      }
    }
  ]
}
Postitive test num. 5 - json file
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "name": "aksCluster1",
      "type": "Microsoft.ContainerService/managedClusters",
      "apiVersion": "2020-02-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "kubernetesVersion": "1.15.7",
        "dnsPrefix": "dnsprefix",
        "agentPoolProfiles": [
          {
            "name": "agentpool",
            "count": 2,
            "vmSize": "Standard_A1",
            "osType": "Linux",
            "storageProfile": "ManagedDisks"
          }
        ],
        "linuxProfile": {
          "adminUsername": "adminUserName",
          "ssh": {
            "publicKeys": [
              {
                "keyData": "keyData"
              }
            ]
          }
        },
        "servicePrincipalProfile": {
          "clientId": "servicePrincipalAppId",
          "secret": "servicePrincipalAppPassword"
        },
        "apiServerAccessProfile": {
          "authorizedIPRanges": []
        }
      }
    }
  ]
}
Postitive test num. 6 - json file
{
  "properties": {
    "template": {
      "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "resources": [
        {
          "name": "aksCluster1",
          "type": "Microsoft.ContainerService/managedClusters",
          "apiVersion": "2017-08-31",
          "location": "[resourceGroup().location]",
          "properties": {
            "kubernetesVersion": "1.15.7",
            "dnsPrefix": "dnsprefix",
            "agentPoolProfiles": [
              {
                "name": "agentpool",
                "count": 2,
                "vmSize": "Standard_A1",
                "osType": "Linux",
                "storageProfile": "ManagedDisks"
              }
            ],
            "linuxProfile": {
              "adminUsername": "adminUserName",
              "ssh": {
                "publicKeys": [
                  {
                    "keyData": "keyData"
                  }
                ]
              }
            },
            "servicePrincipalProfile": {
              "clientId": "servicePrincipalAppId",
              "secret": "servicePrincipalAppPassword"
            }
          }
        }
      ],
      "outputs": {}
    },
    "parameters": {}
  },
  "kind": "template",
  "type": "Microsoft.Blueprint/blueprints/artifacts",
  "name": "myTemplate"
}
Postitive test num. 7 - json file
{
  "properties": {
    "template": {
      "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "resources": [
        {
          "name": "aksCluster1",
          "type": "Microsoft.ContainerService/managedClusters",
          "apiVersion": "2019-02-01",
          "location": "[resourceGroup().location]",
          "properties": {
            "kubernetesVersion": "1.15.7",
            "dnsPrefix": "dnsprefix",
            "agentPoolProfiles": [
              {
                "name": "agentpool",
                "count": 2,
                "vmSize": "Standard_A1",
                "osType": "Linux",
                "storageProfile": "ManagedDisks"
              }
            ],
            "linuxProfile": {
              "adminUsername": "adminUserName",
              "ssh": {
                "publicKeys": [
                  {
                    "keyData": "keyData"
                  }
                ]
              }
            },
            "servicePrincipalProfile": {
              "clientId": "servicePrincipalAppId",
              "secret": "servicePrincipalAppPassword"
            }
          }
        }
      ],
      "outputs": {}
    },
    "parameters": {}
  },
  "kind": "template",
  "type": "Microsoft.Blueprint/blueprints/artifacts",
  "name": "myTemplate"
}
Postitive test num. 8 - json file
{
  "properties": {
    "template": {
      "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "resources": [
        {
          "name": "aksCluster1",
          "type": "Microsoft.ContainerService/managedClusters",
          "apiVersion": "2019-02-01",
          "location": "[resourceGroup().location]",
          "properties": {
            "kubernetesVersion": "1.15.7",
            "dnsPrefix": "dnsprefix",
            "agentPoolProfiles": [
              {
                "name": "agentpool",
                "count": 2,
                "vmSize": "Standard_A1",
                "osType": "Linux",
                "storageProfile": "ManagedDisks"
              }
            ],
            "linuxProfile": {
              "adminUsername": "adminUserName",
              "ssh": {
                "publicKeys": [
                  {
                    "keyData": "keyData"
                  }
                ]
              }
            },
            "servicePrincipalProfile": {
              "clientId": "servicePrincipalAppId",
              "secret": "servicePrincipalAppPassword"
            },
            "apiServerAuthorizedIPRanges": []
          }
        }
      ],
      "outputs": {}
    },
    "parameters": {}
  },
  "kind": "template",
  "type": "Microsoft.Blueprint/blueprints/artifacts",
  "name": "myTemplate"
}
Postitive test num. 9 - json file
{
  "properties": {
    "template": {
      "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "resources": [
        {
          "name": "aksCluster1",
          "type": "Microsoft.ContainerService/managedClusters",
          "apiVersion": "2020-02-01",
          "location": "[resourceGroup().location]",
          "properties": {
            "kubernetesVersion": "1.15.7",
            "dnsPrefix": "dnsprefix",
            "agentPoolProfiles": [
              {
                "name": "agentpool",
                "count": 2,
                "vmSize": "Standard_A1",
                "osType": "Linux",
                "storageProfile": "ManagedDisks"
              }
            ],
            "linuxProfile": {
              "adminUsername": "adminUserName",
              "ssh": {
                "publicKeys": [
                  {
                    "keyData": "keyData"
                  }
                ]
              }
            },
            "servicePrincipalProfile": {
              "clientId": "servicePrincipalAppId",
              "secret": "servicePrincipalAppPassword"
            }
          }
        }
      ],
      "outputs": {}
    },
    "parameters": {}
  },
  "kind": "template",
  "type": "Microsoft.Blueprint/blueprints/artifacts",
  "name": "myTemplate"
}
Postitive test num. 10 - json file
{
  "properties": {
    "template": {
      "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "resources": [
        {
          "name": "aksCluster1",
          "type": "Microsoft.ContainerService/managedClusters",
          "apiVersion": "2020-02-01",
          "location": "[resourceGroup().location]",
          "properties": {
            "kubernetesVersion": "1.15.7",
            "dnsPrefix": "dnsprefix",
            "agentPoolProfiles": [
              {
                "name": "agentpool",
                "count": 2,
                "vmSize": "Standard_A1",
                "osType": "Linux",
                "storageProfile": "ManagedDisks"
              }
            ],
            "linuxProfile": {
              "adminUsername": "adminUserName",
              "ssh": {
                "publicKeys": [
                  {
                    "keyData": "keyData"
                  }
                ]
              }
            },
            "servicePrincipalProfile": {
              "clientId": "servicePrincipalAppId",
              "secret": "servicePrincipalAppPassword"
            },
            "apiServerAccessProfile": {
              "authorizedIPRanges": []
            }
          }
        }
      ],
      "outputs": {}
    },
    "parameters": {}
  },
  "kind": "template",
  "type": "Microsoft.Blueprint/blueprints/artifacts",
  "name": "myTemplate"
}

Code samples without security vulnerabilities

Negative test num. 1 - json file
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "name": "aksCluster1",
      "type": "Microsoft.ContainerService/managedClusters",
      "apiVersion": "2020-02-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "kubernetesVersion": "1.15.7",
        "dnsPrefix": "dnsprefix",
        "agentPoolProfiles": [
          {
            "name": "agentpool",
            "count": 2,
            "vmSize": "Standard_A1",
            "osType": "Linux",
            "storageProfile": "ManagedDisks"
          }
        ],
        "linuxProfile": {
          "adminUsername": "adminUserName",
          "ssh": {
            "publicKeys": [
              {
                "keyData": "keyData"
              }
            ]
          }
        },
        "servicePrincipalProfile": {
          "clientId": "servicePrincipalAppId",
          "secret": "servicePrincipalAppPassword"
        },
        "apiServerAccessProfile": {
          "authorizedIPRanges": [
            "192.168.0.1",
            "192.168.0.18"
          ]
        }
      }
    }
  ]
}
Negative test num. 2 - json file
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "name": "aksCluster1",
      "type": "Microsoft.ContainerService/managedClusters",
      "apiVersion": "2019-02-01",
      "location": "[resourceGroup().location]",
      "properties": {
        "kubernetesVersion": "1.15.7",
        "dnsPrefix": "dnsprefix",
        "agentPoolProfiles": [
          {
            "name": "agentpool",
            "count": 2,
            "vmSize": "Standard_A1",
            "osType": "Linux",
            "storageProfile": "ManagedDisks"
          }
        ],
        "linuxProfile": {
          "adminUsername": "adminUserName",
          "ssh": {
            "publicKeys": [
              {
                "keyData": "keyData"
              }
            ]
          }
        },
        "servicePrincipalProfile": {
          "clientId": "servicePrincipalAppId",
          "secret": "servicePrincipalAppPassword"
        },
        "apiServerAuthorizedIPRanges": [
          "192.168.0.1",
          "192.168.0.18"
        ]
      }
    }
  ]
}
Negative test num. 3 - json file
{
  "properties": {
    "template": {
      "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "resources": [
        {
          "name": "aksCluster1",
          "type": "Microsoft.ContainerService/managedClusters",
          "apiVersion": "2020-02-01",
          "location": "[resourceGroup().location]",
          "properties": {
            "kubernetesVersion": "1.15.7",
            "dnsPrefix": "dnsprefix",
            "agentPoolProfiles": [
              {
                "name": "agentpool",
                "count": 2,
                "vmSize": "Standard_A1",
                "osType": "Linux",
                "storageProfile": "ManagedDisks"
              }
            ],
            "linuxProfile": {
              "adminUsername": "adminUserName",
              "ssh": {
                "publicKeys": [
                  {
                    "keyData": "keyData"
                  }
                ]
              }
            },
            "servicePrincipalProfile": {
              "clientId": "servicePrincipalAppId",
              "secret": "servicePrincipalAppPassword"
            },
            "apiServerAccessProfile": {
              "authorizedIPRanges": [
                "192.168.0.1",
                "192.168.0.18"
              ]
            }
          }
        }
      ],
      "outputs": {}
    },
    "parameters": {}
  },
  "kind": "template",
  "type": "Microsoft.Blueprint/blueprints/artifacts",
  "name": "myTemplate"
}

Negative test num. 4 - json file
{
  "properties": {
    "template": {
      "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
      "contentVersion": "1.0.0.0",
      "resources": [
        {
          "name": "aksCluster1",
          "type": "Microsoft.ContainerService/managedClusters",
          "apiVersion": "2019-02-01",
          "location": "[resourceGroup().location]",
          "properties": {
            "kubernetesVersion": "1.15.7",
            "dnsPrefix": "dnsprefix",
            "agentPoolProfiles": [
              {
                "name": "agentpool",
                "count": 2,
                "vmSize": "Standard_A1",
                "osType": "Linux",
                "storageProfile": "ManagedDisks"
              }
            ],
            "linuxProfile": {
              "adminUsername": "adminUserName",
              "ssh": {
                "publicKeys": [
                  {
                    "keyData": "keyData"
                  }
                ]
              }
            },
            "servicePrincipalProfile": {
              "clientId": "servicePrincipalAppId",
              "secret": "servicePrincipalAppPassword"
            },
            "apiServerAuthorizedIPRanges": [
              "192.168.0.1",
              "192.168.0.18"
            ]
          }
        }
      ],
      "outputs": {}
    },
    "parameters": {}
  },
  "kind": "template",
  "type": "Microsoft.Blueprint/blueprints/artifacts",
  "name": "myTemplate"
}