Azure OpenAI Public Network Access Not Disabled

ID: azure-openai-public-access-disabled

Severity: high

Author: princechaddha

Tags: cloud,devops,azure,microsoft,openai,azure-cloud-config

Description

Ensure that public network access (i.e. all network access) to Microsoft Azure OpenAI service instances is disabled in order to enhance security by preventing unauthorized access.

YAML Source

id: azure-openai-public-access-disabled
info:
  name: Azure OpenAI Public Network Access Not Disabled
  author: princechaddha
  severity: high
  description: |
    Ensure that public network access (i.e. all network access) to Microsoft Azure OpenAI service instances is disabled in order to enhance security by preventing unauthorized access.
  impact: |
    Enabling public network access to Azure OpenAI service instances can lead to unauthorized access, compromising the security and integrity of the instances.
  remediation: |
    Configure the Azure OpenAI service instances to disable public network access to secure them against unauthorized external access.
  reference:
    - https://docs.microsoft.com/en-us/azure/cognitive-services/cognitive-services-apis-create-account-cli?tabs=windows
  tags: cloud,devops,azure,microsoft,openai,azure-cloud-config

flow: |
  code(1);
  for (let ServiceData of iterate(template.serviceList)) {
    ServiceData = JSON.parse(ServiceData);
    set("name", ServiceData.name);
    set("resourceGroup", ServiceData.resourceGroup);
    code(2);
  }

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      az cognitiveservices account list --output json --query '[?(kind==`OpenAI`)].{"name":name,"resourceGroup":resourceGroup}'

    extractors:
      - type: json
        name: serviceList
        internal: true
        json:
          - '.[]'

  - engine:
      - sh
      - bash
    source: |
      az cognitiveservices account show --name "$name" --resource-group "$resourceGroup" --query '{networkAcls:properties.networkAcls.defaultAction,publicNetworkAccess:properties.publicNetworkAccess}'

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '"networkAcls": "Allow"'
          - '"networkAcls": "null"'

      - type: word
        words:
          - '"publicNetworkAccess": "Enabled"'

    extractors:
      - type: dsl
        dsl:
          - '"$name in $resourceGroup has public network access enabled"'
# digest: 4a0a00473045022100a307116679a3bfcde8e8e662e343e414b7eb0307b7b48e8caab463a8fb1c4d1802200d15c837eb1ef033e38fdb9f6d48da4240a04cfb03831bfce2f082d7a64020a0:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "cloud/azure/aiservices/azure-openai-public-access-disabled.yaml"

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