# Improper Access Control (CWE-284)

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

**Stack:** Kubernetes

- Prevalence: Élevée Fréquemment exploitée
- Impact: Élevé 3 règles de sévérité élevée
- Prevention: Documentée 4 exemples de correctifs

**OWASP:** Broken Access Control (A01:2021-Broken Access Control) - #1

## Description

Access control involves determining which subjects can access which objects. When access control is implemented incorrectly, it can lead to unauthorized access to sensitive data or functionality.

## Prevention

Stratégies de prévention pour Improper Access Control basées sur 1 règles de détection Shoulder.

### Kubernetes

Define NetworkPolicy resources to restrict pod-to-pod traffic and enforce network segmentation

## Warning Signs

- [MEDIUM] Workload has no NetworkPolicy for network segmentation
- [MEDIUM] Kubernetes deployments without associated NetworkPolicy resources

## Consequences

- Lecture des données de l'application
- Modification des données de l'application
- Exécuter du code non autorisé
- Obtenir des privilèges

## Mitigations

- Mettez en place des contrôles d'accès appropriés sur toutes les ressources
- Appliquez le principe du moindre privilège
- Appliquez les contrôles d'accès côté serveur, et pas seulement dans l'interface

## Detection

- Total rules: 4
- Languages: go, javascript, typescript, kubernetes, yaml, python

## Rules by Language

### Kubernetes (1 rules)

- **Missing Network Policy** [MEDIUM]: Detects Kubernetes deployments without associated NetworkPolicy resources.
  - Remediation: Define a NetworkPolicy to control pod network access.

```yaml
kind: NetworkPolicy
spec:
  podSelector: {}
  policyTypes: [Ingress]
```

Learn more: https://shoulder.dev/learn/kubernetes/cwe-284/missing-network-policy

### Yaml (1 rules)

- **Missing Network Policy** [MEDIUM]: Detects Kubernetes deployments without associated NetworkPolicy resources.
  - Remediation: Define a NetworkPolicy to control pod network access.

```yaml
kind: NetworkPolicy
spec:
  podSelector: {}
  policyTypes: [Ingress]
```

Learn more: https://shoulder.dev/learn/kubernetes/cwe-284/missing-network-policy