Parameter File Type Not In 'formData'

• Query id: c3cab8c4-6c52-47a9-942b-c27f26fbd7d2
• Query name: Parameter File Type Not In 'formData'
• Platform: OpenAPI
• Severity: Info
• Category: Structure and Semantics
• CWE: 20
• URL: Github

Description

The In field of Parameter Object must be 'formData' when type is 'file'
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": {
        "parameters": [
          {
            "name": "limit2",
            "in": "query",
            "description": "return a file with limit info",
            "required": true,
            "type": "file"
          }
        ],
        "operationId": "listVersionsV2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response"
          }
        }
      }
    }
  },
  "parameters": {
    "limitParam": {
      "name": "limit",
      "in": "query",
      "description": "return a file with limit info",
      "required": true,
      "type": "file"
    }
  }
}

Positive test num. 2 - yaml file

---
swagger: '2.0'
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      parameters:
      - name: limit2
        in: query
        description: return a file with limit info
        required: true
        type: file
      operationId: listVersionsV2
      summary: List API versions
      responses:
        '200':
          description: 200 response
parameters:
  limitParam:
    name: limit
    in: query
    description: return a file with limit info
    required: true
    type: file

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": {
        "parameters": [
          {
            "name": "limit2",
            "in": "formData",
            "description": "return a file with limit info",
            "required": true,
            "type": "file"
          }
        ],
        "operationId": "listVersionsV2",
        "summary": "List API versions",
        "responses": {
          "200": {
            "description": "200 response"
          }
        }
      }
    }
  },
  "parameters": {
    "limitParam": {
      "name": "limit",
      "in": "formData",
      "description": "return a file with limit info",
      "required": true,
      "type": "file"
    }
  }
}

Negative test num. 2 - yaml file

swagger: '2.0'
info:
  title: Simple API Overview
  version: 1.0.0
paths:
  "/":
    get:
      parameters:
      - name: limit2
        in: formData
        description: return a file with limit info
        required: true
        type: file
      operationId: listVersionsV2
      summary: List API versions
      responses:
        '200':
          description: 200 response
parameters:
  limitParam:
    name: limit
    in: formData
    description: return a file with limit info
    required: true
    type: file