generic.bicep.security.secure-parameter-for-secrets.secure-parameter-for-secrets

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Mark sensitive parameters with the @secure() decorator. This avoids logging the value or displaying it in the Azure portal, Azure CLI, or Azure PowerShell.

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Defintion

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rules:
  - id: secure-parameter-for-secrets
    patterns:
      - pattern: param $NAME string
      - pattern-not-inside: |
          @secure()
          param $NAME string
      - metavariable-regex:
          metavariable: $NAME
          regex: (?i).*(password|secret|token)
    message: Mark sensitive parameters with the @secure() decorator. This avoids
      logging the value or displaying it in the Azure portal, Azure CLI, or
      Azure PowerShell.
    metadata:
      category: security
      technology:
        - bicep
      cwe:
        - "CWE-532: Insertion of Sensitive Information into Log File"
      references:
        - https://cwe.mitre.org/data/definitions/532.html
        - https://docs.microsoft.com/en-us/azure/azure-resource-manager/bicep/scenarios-secrets
      owasp:
        - A09:2021 - Security Logging and Monitoring Failures
      subcategory:
        - audit
      likelihood: LOW
      impact: LOW
      confidence: LOW
      license: Commons Clause License Condition v1.0[LGPL-2.1-only]
      vulnerability_class:
        - Mishandled Sensitive Information
    languages:
      - generic
    paths:
      include:
        - "*.bicep"
    severity: WARNING

Examples

secure-parameter-for-secrets.bicep

// ok: secure-parameter-for-secrets
@secure()
param demoPassword string

// ok: secure-parameter-for-secrets
param normalParam string

// ruleid: secure-parameter-for-secrets
param somethingPassword string

// ruleid: secure-parameter-for-secrets
param somethingSecret string