Project: KICS (Provisioning / Security & Compliance)
File: 21cef75f-289f-470e-8038-c7cee0664164.md

title: No Drop Capabilities for Containers hide: toc: true navigation: true <style> .highlight .hll { background-color: #ff171742; } .md-content { max-width: 1100px; margin: 0 auto; } </style> Query id: 21cef75f-289f-470e-8038-c7cee0664164 Query name: No Drop Capabilities for Containers Platform: Terraform Severity: <span style="color:#edd57e">Low</span> Category: Best Practices URL: Sees if Kubernetes Drop Capabilities exists to ensure containers security context<br> ```tf title="Positive test num. 1 - tf file" hl_lines="8" resource "kubernetes_pod" "test1" { metadata { name = "terraform-example" } spec { container = [ { image = "nginx:1.7.9" name = "example" security_context = { capabilities = { add = ["NETBINDSERVICE"] } } 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" } } initialdelayseconds = 3 period_seconds = 3 } }, { image = "nginx:1.7.9" name = "example2" security_context = { capabilities = { drop = ["ALL"] } } 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" } } initialdelayseconds = 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" } } ``` ```tf title="Positive test num. 2 - tf file" hl_lines="9" resource "kubernetes_pod" "test2" { metadata { name = "terraform-example" } spec { container = [ { image = "nginx:1.7.9" name = "example" security_context = { allowprivilegeescalation = false } 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" } } initialdelayseconds = 3 period_seconds = 3 } }, { image =

name = "example2" security_context = { capabilities = { drop = ["ALL"] } } 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" } } initialdelayseconds = 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" } } ``` ```tf title="Positive test num. 3 - tf file" hl_lines="9" resource "kubernetes_pod" "test3" { metadata { name = "terraform-example" } spec { container = [ { image = "nginx:1.7.9" name = "example" 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" } } initialdelayseconds = 3 period_seconds = 3 } }, { image = "nginx:1.7.9" name = "example2" security_context = { capabilities = { drop = ["ALL"] } } 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" } } initialdelayseconds = 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" } } ``` ```tf title="Negative test num. 1 - tf file" resource "kubernetes_pod" "negative4" { metadata { name = "terraform-example" } spec { container = [ { image = "nginx:1.7.9" name = "example" security_context = { capabilities = { drop = ["ALL"] } } 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" } } initialdelayseconds = 3 period_seconds = 3 } }, { image = "nginx:1.7.9" name = "example2" security_context = { capabilities = { drop = ["ALL"] } } 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" } } initialdelayseconds = 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" } } ```