Container is running in host's network namespace Affecting Deployment service in Kubernetes
Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
Containers/ Access Control
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CIS-Controls
- Snyk IDSNYK-CC-00618
- creditSnyk Research Team
Description
Containers will be able to access host's networking resources which breaks container security boundaries.
How to fix?
Remove hostNetwork attribute, or set value to false.
Remove the host_network attribute, or set its value to false.
Example Configuration
resource "kubernetes_pod" "allowed" {
metadata {
name = "terraform-example"
}
spec {
container {
image = "nginx:1.7.9"
name = "example"
env {
name = "environment"
value = "test"
}
port {
container_port = 8080
}
}
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
}
host_network = false
dns_policy = "None"
}
}