Addressing Security Challenges in Serverless Computing

{
  "title": "Addressing Security Challenges in Serverless Computing",
  "description": "Identifies and mitigates unique security risks associated with serverless architectures.",
  "category": "Security",
  "category_context": "Flags unsafe code, secrets, and insecure configurations.",
  "rules": [
    {
      "id": "serverless-least-privilege",
      "description": "Ensure each serverless function operates with the minimum necessary permissions to perform its tasks.",
      "severity": "high",
      "patterns": [
        {
          "pattern": ".*",
          "conditions": [
            {
              "type": "iam-policy",
              "check": "excessive-permissions"
            }
          ]
        }
      ],
      "fix": "Review and adjust IAM policies to grant only the permissions required for each function's operation."
    },
    {
      "id": "serverless-secrets-management",
      "description": "Detect hardcoded secrets within serverless function code.",
      "severity": "critical",
      "patterns": [
        {
          "pattern": "(?i)(api_key|secret|password|token)\\s*=\\s*['\"][^'\"]+['\"]",
          "conditions": []
        }
      ],
      "fix": "Move secrets to a secure secrets management system and reference them securely within your code."
    },
    {
      "id": "serverless-api-gateway-security",
      "description": "Ensure API Gateway configurations enforce authentication and input validation.",
      "severity": "high",
      "patterns": [
        {
          "pattern": ".*",
          "conditions": [
            {
              "type": "api-gateway-config",
              "check": "missing-authentication"
            },
            {
              "type": "api-gateway-config",
              "check": "missing-input-validation"
            }
          ]
        }
      ],
      "fix": "Configure API Gateway to enforce authentication mechanisms and validate all incoming requests."
    },
    {
      "id": "serverless-monitoring-logging",
      "description": "Verify that monitoring and logging are implemented for serverless functions.",
      "severity": "medium",
      "patterns": [
        {
          "pattern": ".*",
          "conditions": [
            {
              "type": "logging-config",
              "check": "missing-logging"
            },
            {
              "type": "monitoring-config",
              "check": "missing-monitoring"
            }
          ]
        }
      ],
      "fix": "Implement comprehensive logging and monitoring for all serverless functions to detect and respond to security incidents."
    },
    {
      "id": "serverless-dependency-security",
      "description": "Identify outdated or vulnerable third-party dependencies in serverless functions.",
      "severity": "high",
      "patterns": [
        {
          "pattern": ".*",
          "conditions": [
            {
              "type": "dependency-check",
              "check": "vulnerable-dependency"
            }
          ]
        }
      ],
      "fix": "Regularly update and patch third-party dependencies to mitigate known vulnerabilities."
    }
  ]
}