Non OAuth2 Security Requirement Defining OAuth2 Scopes

• Query id: ba239cb9-f342-4c20-812d-7b5a2aa6969e
• Query name: Non OAuth2 Security Requirement Defining OAuth2 Scopes
• Platform: OpenAPI
• Severity: Medium
• Category: Structure and Semantics
• CWE: 20
• URL: Github

Description

If the security scheme is not of type 'oauth2', the array value must be empty
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - json file

{
  "swagger": "2.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0"
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response"
          }
        },
        "parameters": [
          {
            "name": "limit2",
            "in": "body",
            "description": "max records to return",
            "required": true,
            "schema": {
              "type": "object"
            }
          }
        ]
      }
    }
  },
  "security": [
    {
      "petstore_auth": [
        "write:pets",
        "read:pets"
      ]
    }
  ],
  "securityDefinitions": {
    "petstore_auth": {
      "type": "basic"
    }
  }
}

Positive test num. 2 - yaml file

swagger: "2.0"
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        "200":
          description: 200 response
      parameters:
        - name: limit2
          in: body
          description: max records to return
          required: true
          schema:
            type: object
security:
  - petstore_auth:
      - write:pets
      - read:pets
securityDefinitions:
  petstore_auth:
    type: basic

Code samples without security vulnerabilities

Negative test num. 1 - json file

{
  "swagger": "2.0",
  "info": {
    "title": "Simple API Overview",
    "version": "1.0.0"
  },
  "paths": {
    "/": {
      "get": {
        "operationId": "listVersionsv2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response"
          }
        },
        "parameters": [
          {
            "name": "limit2",
            "in": "body",
            "description": "max records to return",
            "required": true,
            "schema": {
              "type": "object"
            }
          }
        ]
      }
    }
  },
  "security": [
    {
      "petstore_auth": []
    }
  ],
  "securityDefinitions": {
    "petstore_auth": {
      "type": "basic"
    }
  }
}

Negative test num. 2 - yaml file

swagger: "2.0"
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      operationId: listVersionsv2
      summary: List API versions
      responses:
        "200":
          description: 200 response
      parameters:
        - name: limit2
          in: body
          description: max records to return
          required: true
          schema:
            type: object
security:
  - petstore_auth: []
securityDefinitions:
  petstore_auth:
    type: basic