Tiller (Helm v2) Is Deployed

• Query id: ca2fba76-c1a7-4afd-be67-5249f861cb0e
• Query name: Tiller (Helm v2) Is Deployed
• Platform: Terraform
• Severity: High
• Category: Insecure Configurations
• CWE: 200
• URL: Github

Description

Check if Tiller is deployed.
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

resource "kubernetes_pod" "positive1" {
  metadata {
    name = "tiller-deploy"
  }

  spec {
    container = [
     {
      image = "tiller-image"
      name  = "example22"

      env = {
        name  = "environment"
        value = "test"
      }

      port = {
        container_port = 8080
      }

      liveness_probe = {
        http_get = {
          path = "/nginx_status"
          port = 80

          http_header = {
            name  = "X-Custom-Header"
            value = "Awesome"
          }
        }

        initial_delay_seconds = 3
        period_seconds        = 3
      }
     }
     ,
     {
      image = "nginx:1.7.9"
      name  = "example22222"

      resources = {
            requests = {
              cpu    = "250m"
              memory = "50Mi"
            }
      }

      env = {
        name  = "environment"
        value = "test"
      }

      port = {
        container_port = 8080
      }

      liveness_probe = {
        http_get = {
          path = "/nginx_status"
          port = 80

          http_header = {
            name  = "X-Custom-Header"
            value = "Awesome"
          }
        }

        initial_delay_seconds = 3
        period_seconds        = 3
      }
     }
   ]


    dns_config {
      nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
      searches    = ["example.com"]

      option {
        name  = "ndots"
        value = 1
      }

      option {
        name = "use-vc"
      }
    }

    dns_policy = "None"
  }
}



resource "kubernetes_pod" "positive2" {
  metadata {
    name = "terraform-example"
  }

  spec {
    container {
      image = "tiller-image"
      name  = "example"

      resources {
            limits {
              cpu    = "0.5"
              memory = "512Mi"
            }
      }

      env {
        name  = "environment"
        value = "test"
      }

      port {
        container_port = 8080
      }

      liveness_probe {
        http_get {
          path = "/nginx_status"
          port = 80

          http_header {
            name  = "X-Custom-Header"
            value = "Awesome"
          }
        }

        initial_delay_seconds = 3
        period_seconds        = 3
      }
    }


    dns_config {
      nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
      searches    = ["example.com"]

      option {
        name  = "ndots"
        value = 1
      }

      option {
        name = "use-vc"
      }
    }

    dns_policy = "None"
  }
}

resource "kubernetes_deployment" "example" {
  metadata {
    name = "terraform-example"
    labels = {
      test = "MyExampleApp"
    }
  }

  spec {
    replicas = 3

    selector {
      match_labels = {
        test = "MyExampleApp"
      }
    }

    template {
      metadata {
        labels = {
          app = "helm"
        }
      }

      spec {

        volume = [
          {
            host_path = {
              path = "/var/run/docker.sock"
              type = "Directory"
            }
          }
          ,
          {
            host_path = {
              path = "/var/run/docker.sock"
              type = "Directory"
            }
          }
        ]

        container {
          image = "tiller-image"
          name  = "example"

          resources {
            limits = {
              cpu    = "0.5"
              memory = "512Mi"
            }
            requests = {
              cpu    = "250m"
              memory = "50Mi"
            }
          }

          liveness_probe {
            http_get {
              path = "/nginx_status"
              port = 80

              http_header {
                name  = "X-Custom-Header"
                value = "Awesome"
              }
            }

            initial_delay_seconds = 3
            period_seconds        = 3
          }
        }
      }
    }
  }
}

Code samples without security vulnerabilities

Negative test num. 1 - tf file

resource "kubernetes_pod" "negative1" {
  metadata {
    name = "terraform-example"
  }

  spec {
    container = [
     {
      image = "nginx:1.7.9"
      name  = "example22"

      resources = {
            limits = {
              cpu    = "0.5"
              memory = "512Mi"
            }
            requests = {
              cpu    = "250m"
              memory = "50Mi"
            }
      }

      env = {
        name  = "environment"
        value = "test"
      }

      port = {
        container_port = 8080
      }

      liveness_probe = {
        http_get = {
          path = "/nginx_status"
          port = 80

          http_header = {
            name  = "X-Custom-Header"
            value = "Awesome"
          }
        }

        initial_delay_seconds = 3
        period_seconds        = 3
      }
     }
     ,
     {
      image = "nginx:1.7.9"
      name  = "example22222"

      resources = {
            limits = {
              cpu    = "0.5"
              memory = "512Mi"
            }
            requests = {
              cpu    = "250m"
              memory = "50Mi"
            }
      }

      env = {
        name  = "environment"
        value = "test"
      }

      port = {
        container_port = 8080
      }

      liveness_probe = {
        http_get = {
          path = "/nginx_status"
          port = 80

          http_header = {
            name  = "X-Custom-Header"
            value = "Awesome"
          }
        }

        initial_delay_seconds = 3
        period_seconds        = 3
      }
     }
   ]


    dns_config {
      nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
      searches    = ["example.com"]

      option {
        name  = "ndots"
        value = 1
      }

      option {
        name = "use-vc"
      }
    }

    dns_policy = "None"
  }
}

resource "kubernetes_deployment" "example2" {
  metadata {
    name = "terraform-example"
    labels = {
      test = "MyExampleApp"
    }
  }

  spec {
    replicas = 3

    selector {
      match_labels = {
        test = "MyExampleApp"
      }
    }

    template {
      metadata {
        labels = {
          test = "MyExampleApp"
        }
      }

      spec {

        volume = [
          {
            host_path = {
              path = "/data"
              type = "Directory"
            }
          }
          ,
          {
            host_path = {
              path = "/data"
              type = "Directory"
            }
          }
        ]

        container {
          image = "nginx:1.7.8"
          name  = "example"

          resources {
            limits = {
              cpu    = "0.5"
              memory = "512Mi"
            }
            requests = {
              cpu    = "250m"
              memory = "50Mi"
            }
          }

          liveness_probe {
            http_get {
              path = "/nginx_status"
              port = 80

              http_header {
                name  = "X-Custom-Header"
                value = "Awesome"
              }
            }

            initial_delay_seconds = 3
            period_seconds        = 3
          }
        }
      }
    }
  }
}