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56 lines
1.6 KiB
Markdown
56 lines
1.6 KiB
Markdown
# API Reference: Kubernetes RBAC Audit
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## Python Kubernetes Client
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```python
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from kubernetes import client, config
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config.load_kube_config()
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rbac = client.RbacAuthorizationV1Api()
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core = client.CoreV1Api()
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```
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## RBAC API Calls
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| Method | Description |
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|--------|-------------|
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| `rbac.list_cluster_role()` | List all ClusterRoles |
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| `rbac.list_cluster_role_binding()` | List all ClusterRoleBindings |
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| `rbac.list_namespaced_role(ns)` | List Roles in namespace |
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| `rbac.list_namespaced_role_binding(ns)` | List RoleBindings in namespace |
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## ClusterRole Rule Structure
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```python
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role.rules[0].verbs # ["get", "list", "watch"]
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role.rules[0].resources # ["pods", "secrets"]
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role.rules[0].api_groups # ["", "apps"]
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```
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## Dangerous RBAC Permissions
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| Permission | Risk |
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|------------|------|
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| `* / *` (all verbs, resources) | Full cluster admin |
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| `create` on `pods/exec` | Remote code execution |
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| `get` on `secrets` | Credential theft |
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| `bind` on `clusterroles` | Privilege escalation |
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| `impersonate` on users | Identity spoofing |
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| `escalate` on roles | Self-privilege escalation |
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## Subject Types
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| Kind | Description |
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|------|-------------|
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| User | Human user identity |
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| Group | User group (e.g., system:authenticated) |
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| ServiceAccount | Pod identity |
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## Risky Groups
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| Group | Risk |
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|-------|------|
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| `system:unauthenticated` | Anonymous access |
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| `system:authenticated` | Any authenticated user |
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| `system:masters` | Full cluster admin |
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## kubectl RBAC Commands
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```bash
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kubectl auth can-i --list
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kubectl get clusterrolebindings -o json
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kubectl auth can-i create pods --as=system:serviceaccount:default:default
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```
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