Parameter Object Content With Multiple Entries
- Query id: 8bfed1c6-2d59-4924-bc7f-9b9d793ed0df
- Query name: Parameter Object Content With Multiple Entries
- Platform: OpenAPI
- Severity: Info
- Category: Structure and Semantics
- CWE: 20
- URL: Github
Description¶
The map content property of the parameter object should only contain one entry
Documentation
Code samples¶
Code samples with security vulnerabilities¶
Positive test num. 1 - json file
{
"openapi": "3.0.0",
"info": {
"title": "Simple API Overview",
"version": "1.0.0"
},
"paths": {
"/": {
"get": {
"summary": "List API versions",
"parameters": [
{
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/User"
},
"examples": {
"user": {
"summary": "User Example",
"externalValue": "http://foo.bar/examples/user-example.json"
}
}
},
"application/xml": {
"schema": {
"$ref": "#/components/schemas/User"
},
"examples": {
"user": {
"summary": "User Example in XML",
"externalValue": "http://foo.bar/examples/user-example.xml"
}
}
}
},
"name": "id",
"in": "path",
"description": "ID of the API version",
"required": true,
"schema": {
"type": "integer"
}
}
],
"responses": {
"200": {
"content": {
"application/json": {
"examples": {
"foo": {
"value": {
"versions": [
{
"updated": "2011-01-21T11:33:21Z",
"id": "v2.0",
"links": [
{
"rel": "self",
"href": "http://127.0.0.1:8774/v2/"
}
],
"status": "CURRENT"
}
]
}
}
}
}
},
"description": "200 response"
}
},
"operationId": "listVersionsv2"
}
},
"/user/{id}": {
"parameters": [
{
"description": "ID of the API version",
"required": true,
"schema": {
"type": "integer"
},
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/User"
},
"examples": {
"user": {
"summary": "User Example",
"externalValue": "http://foo.bar/examples/user-example.json"
}
}
},
"application/xml": {
"schema": {
"$ref": "#/components/schemas/User"
},
"examples": {
"user": {
"summary": "User Example in XML",
"externalValue": "http://foo.bar/examples/user-example.xml"
}
}
}
},
"name": "id",
"in": "path"
}
]
}
}
}
Positive test num. 2 - json file
{
"openapi": "3.0.0",
"info": {
"title": "Simple API Overview",
"version": "1.0.0"
},
"paths": {
"/": {
"get": {
"operationId": "listVersionsv2",
"summary": "List API versions",
"responses": {
"200": {
"description": "200 response",
"content": {
"application/json": {
"examples": {
"foo": {
"value": {
"versions": [
{
"status": "CURRENT",
"updated": "2011-01-21T11:33:21Z",
"id": "v2.0",
"links": [
{
"href": "http://127.0.0.1:8774/v2/",
"rel": "self"
}
]
}
]
}
}
}
}
}
}
}
}
}
},
"components": {
"parameters": {
"idParam": {
"name": "id",
"in": "path",
"description": "ID of the API version",
"required": true,
"schema": {
"type": "int"
},
"content": {
"application/xml": {
"examples": {
"user": {
"externalValue": "http://foo.bar/examples/user-example.xml",
"summary": "User Example in XML"
}
},
"schema": {
"$ref": "#/components/schemas/User"
}
},
"application/json": {
"schema": {
"$ref": "#/components/schemas/User"
},
"examples": {
"user": {
"externalValue": "http://foo.bar/examples/user-example.json",
"summary": "User Example"
}
}
}
}
}
}
}
}
Positive test num. 3 - yaml file
openapi: 3.0.0
info:
title: Simple API overview
version: 1.0.0
paths:
"/":
get:
operationId: listVersionsv2
summary: List API versions
parameters:
- name: id
in: path
description: ID of the API version
required: true
schema:
type: integer
content:
"application/json":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example
externalValue: "http://foo.bar/examples/user-example.json"
"application/xml":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example in XML
externalValue: "http://foo.bar/examples/user-example.xml"
responses:
"200":
description: 200 response
content:
application/json:
examples:
foo:
value:
versions:
- status: CURRENT
updated: "2011-01-21T11:33:21Z"
id: v2.0
links:
- href: http://127.0.0.1:8774/v2/
rel: self
/user/{id}:
parameters:
- name: id
in: path
description: ID of the API version
required: true
schema:
type: integer
content:
"application/json":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example
externalValue: "http://foo.bar/examples/user-example.json"
"application/xml":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example in XML
externalValue: "http://foo.bar/examples/user-example.xml"
Positive test num. 4 - yaml file
openapi: 3.0.0
info:
title: Simple API overview
version: 1.0.0
paths:
"/":
get:
operationId: listVersionsv2
summary: List API versions
responses:
"200":
description: 200 response
content:
application/json:
examples:
foo:
value:
versions:
- status: CURRENT
updated: "2011-01-21T11:33:21Z"
id: v2.0
links:
- href: http://127.0.0.1:8774/v2/
rel: self
components:
parameters:
idParam:
name: id
in: path
description: ID of the API version
required: true
schema:
type: int
content:
"application/json":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example
externalValue: "http://foo.bar/examples/user-example.json"
"application/xml":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example in XML
externalValue: "http://foo.bar/examples/user-example.xml"
Code samples without security vulnerabilities¶
Negative test num. 1 - json file
{
"openapi": "3.0.0",
"info": {
"title": "Simple API Overview",
"version": "1.0.0"
},
"paths": {
"/": {
"get": {
"summary": "List API versions",
"parameters": [
{
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/User"
},
"examples": {
"user": {
"summary": "User Example",
"externalValue": "http://foo.bar/examples/user-example.json"
}
}
}
},
"name": "id",
"in": "path",
"description": "ID of the API version",
"required": true,
"schema": {
"type": "integer"
}
}
],
"responses": {
"200": {
"content": {
"application/json": {
"examples": {
"foo": {
"value": {
"versions": [
{
"updated": "2011-01-21T11:33:21Z",
"id": "v2.0",
"links": [
{
"rel": "self",
"href": "http://127.0.0.1:8774/v2/"
}
],
"status": "CURRENT"
}
]
}
}
}
}
},
"description": "200 response"
}
},
"operationId": "listVersionsv2"
}
},
"/user/{id}": {
"parameters": [
{
"description": "ID of the API version",
"required": true,
"schema": {
"type": "integer"
},
"content": {
"application/json": {
"schema": {
"$ref": "#/components/schemas/User"
},
"examples": {
"user": {
"summary": "User Example",
"externalValue": "http://foo.bar/examples/user-example.json"
}
}
}
},
"name": "id",
"in": "path"
}
]
}
}
}
Negative test num. 2 - json file
{
"openapi": "3.0.0",
"info": {
"title": "Simple API Overview",
"version": "1.0.0"
},
"paths": {
"/": {
"get": {
"operationId": "listVersionsv2",
"summary": "List API versions",
"responses": {
"200": {
"description": "200 response",
"content": {
"application/json": {
"examples": {
"foo": {
"value": {
"versions": [
{
"status": "CURRENT",
"updated": "2011-01-21T11:33:21Z",
"id": "v2.0",
"links": [
{
"href": "http://127.0.0.1:8774/v2/",
"rel": "self"
}
]
}
]
}
}
}
}
}
}
}
}
}
},
"components": {
"parameters": {
"idParam": {
"name": "id",
"in": "path",
"description": "ID of the API version",
"required": true,
"schema": {
"type": "int"
},
"content": {
"application/xml": {
"examples": {
"user": {
"externalValue": "http://foo.bar/examples/user-example.xml",
"summary": "User Example in XML"
}
},
"schema": {
"$ref": "#/components/schemas/User"
}
}
}
}
}
}
}
Negative test num. 3 - yaml file
openapi: 3.0.0
info:
title: Simple API overview
version: 1.0.0
paths:
"/":
get:
operationId: listVersionsv2
summary: List API versions
parameters:
- name: id
in: path
description: ID of the API version
required: true
schema:
type: integer
content:
"application/json":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example
externalValue: "http://foo.bar/examples/user-example.json"
responses:
"200":
description: 200 response
content:
application/json:
examples:
foo:
value:
versions:
- status: CURRENT
updated: "2011-01-21T11:33:21Z"
id: v2.0
links:
- href: http://127.0.0.1:8774/v2/
rel: self
/user/{id}:
parameters:
- name: id
in: path
description: ID of the API version
required: true
schema:
type: integer
content:
"application/json":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example
externalValue: "http://foo.bar/examples/user-example.json"
Negative test num. 4 - yaml file
openapi: 3.0.0
info:
title: Simple API overview
version: 1.0.0
paths:
"/":
get:
operationId: listVersionsv2
summary: List API versions
responses:
"200":
description: 200 response
content:
application/json:
examples:
foo:
value:
versions:
- status: CURRENT
updated: "2011-01-21T11:33:21Z"
id: v2.0
links:
- href: http://127.0.0.1:8774/v2/
rel: self
components:
parameters:
idParam:
name: id
in: path
description: ID of the API version
required: true
schema:
type: int
content:
"application/json":
schema:
$ref: "#/components/schemas/User"
examples:
user:
summary: User Example
externalValue: "http://foo.bar/examples/user-example.json"