Openstack

Explanation

OpenStack from a penetration tester perspective: Part 1Medium

OpenStack from a penetration tester perspective: Part 2Medium

OpenStack from a penetration tester perspective: Part 3Medium

Tool

GitHub - mertcankondur/OpenStack-Security-ToolGitHub

Information gathering

openstack cli

Set config: ~/.config/openstack/clouds.yaml

clouds:
  cloud-advanced:
    auth:
      auth_url: https://iam.hc.openstack.local/v3 # just example
      username: "<username>"
      password: "<password>"
      project_id: "<project_id>"
      user_domain_id: "<user_domain_id>"
      project_domain_id: "<project_domain_id>"
    region_name: "<region_name>"
    interface: "public"
    identity_api_version: 3
    volume_api_version: 3

Rights

# List porject
openstack project list

# Groups
openstack --os-cloud cloud-advanced --os-project-id <project_id> group list

# Roles
openstack --os-cloud cloud-advanced --os-project-id <project_id> role assignment list \
  --user <username|user_id> --project <project_id> --names --effective

# Quotes (usefull for snapshot avalability check)
openstack --os-cloud cloud-advanced --os-project-id <project_id> limits show
openstack --os-cloud cloud-advanced --os-project-id <project_id> volume qos list

Servers

# Hypervisors check (need extanded rights)
openstack --os-cloud cloud-advanced --os-project-id <project_id> hypervisor list

# Compute cloud servers
openstack --os-cloud cloud-advanced --os-project-id <project_id> server list --long

# Server details
openstack --os-cloud cloud-advanced --os-project-id <project_id> \
  server show <server_id> -f yaml

Get access

# Floating ips
openstack --os-cloud cloud-advanced --os-project-id <project_id> floating ip list

# SG rules for ssh/rdp
openstack --os-cloud cloud-advanced --os-project-id <project_id> security group rule \
  list <sg_id> | egrep ' 22 | 3389 '

# Routers & networks
openstack --os-cloud cloud-advanced --os-project-id <project_id> router list
openstack --os-cloud cloud-advanced --os-project-id <project_id> network list

# Ports & SG (Check net access)
openstack --os-cloud cloud-advanced --os-project-id <project_id> port list --server <server_id> -f yaml
openstack --os-cloud cloud-advanced --os-project-id <project_id> security group list
openstack --os-cloud cloud-advanced --os-project-id <project_id> security group rule list <sg_id>

# Connect to console with vnc (novnc/serial).
openstack --os-cloud cloud-advanced --os-project-id <project_id> console url show \
<server_id>

# Console logs
openstack --os-cloud cloud-advanced --os-project-id <project_id> console log show \
<server_id> --lines 200

#Get password
openstack --os-cloud cloud-advanced --os-project-id <project_id> server get password \
<server_id> --private-key <path_to_private_key.pem>

Snapshots

# Server image snapshot from working VM
openstack --os-cloud cloud-advanced --os-project-id <project_id> \
  server image create --name <image_name> <server_id>

# Volume snapshot
openstack --os-cloud cloudru-advanced-fo volume snapshot create --force \
  --name <snap_name> <volume_id>

# Forensic volume snapshot (for read-only mount)
openstack --os-cloud cloudru-advanced-fo volume create --snapshot <snap_id> \
  --size <>=orig> <forensic_vol>

Curl

Get auth-token

curl -i -s -X POST https://iam.cloud.local/v3/auth/tokens \
  -H "Content-Type: application/json" \
  -d '{
    "auth": {
      "identity": {
        "methods": ["password"],
        "password": {
          "user": {
            "name": "<username>",
            "password": "<password>",
            "domain": { "id": "<domain-id>" }
          }
        }
      },
      "scope": {
        "project": { "id": "<project-id>" }
      }
    }
  }'

Get CCE k8s clusters

curl -H "X-Auth-Token: $TOKEN" \
"https://cce.cloud.local/api/v3/projects/<id>/clusters"