Service is using an external IP Affecting Service 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
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Containers/ Best Practices
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CIS-Controls
- Snyk IDSNYK-CC-00649
- creditSnyk Research Team
Description
The service has specified the use of an external IP address. External IPs can be abused to perform man in the middle attacks on the service.
How to fix?
Remove spec.externalIPs or spec.loadBalancerIP attributes.
Remove spec.external_ips or spec.load_balancer_ip attributes.
Example configuration:
resource "kubernetes_service" "allowed" {
metadata {
name = "terraform-example"
}
spec {
selector = {
app = var.k8s_43_var
}
session_affinity = "ClientIP"
port {
port = 8080
target_port = 80
}
type = "LoadBalancer"
}
}