nuclei-templates/cloud/azure/virtualmachines/azure-vm-unapproved-image.yaml

56 lines
1.9 KiB
YAML

id: azure-vm-unapproved-image
info:
name: Azure VM Not Using Approved Image
author: princechaddha
severity: medium
description: |
Ensure that all the Azure virtual machine (VM) instances necessary for your application stack are launched from an approved base Azure machine image, known as golden machine image, in order to enforce application security best practices, consistency, and save time when scaling your application.
impact: |
Using unapproved machine images can lead to inconsistencies and potential security vulnerabilities in your application stack.
remediation: |
Ensure all Azure VM instances are launched from approved machine images. Update any instances that are not using the approved images.
reference:
- https://docs.microsoft.com/en-us/azure/virtual-machines/windows/overview
tags: cloud,devops,azure,microsoft,virtual-machine,azure-cloud-config
flow: |
code(1);
for (let VMData of iterate(template.vmList)) {
VMData = JSON.parse(VMData);
set("name", VMData.Name);
set("resourceGroup", VMData.ResourceGroup);
code(2);
}
self-contained: true
code:
- engine:
- sh
- bash
source: |
az vm list --output json --query '[*].{"Name":name,"ResourceGroup":resourceGroup}'
extractors:
- type: json
name: vmList
internal: true
json:
- '.[]'
- engine:
- sh
- bash
source: |
az vm show --name "$name" --resource-group "$resourceGroup" --query '{"ImageId": storageProfile.imageReference.id}'
matchers-condition: and
matchers:
- type: word
words:
- '"ImageId": null'
extractors:
- type: dsl
dsl:
- 'name + " in " + resourceGroup + " is using an unapproved Azure machine image"'
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