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https://github.com/dolevf/graphql-cop
Security Auditor Utility for GraphQL APIs
https://github.com/dolevf/graphql-cop
auditing blue-team graphql hacking hardening penetration-testing red-team security
Last synced: about 1 month ago
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Security Auditor Utility for GraphQL APIs
- Host: GitHub
- URL: https://github.com/dolevf/graphql-cop
- Owner: dolevf
- License: mit
- Created: 2022-02-06T07:00:42.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2024-06-20T12:57:13.000Z (3 months ago)
- Last Synced: 2024-06-21T04:43:20.764Z (3 months ago)
- Topics: auditing, blue-team, graphql, hacking, hardening, penetration-testing, red-team, security
- Language: Python
- Homepage:
- Size: 189 KB
- Stars: 312
- Watchers: 3
- Forks: 49
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
- awesome-graphql-security - GraphQL Cop - Utility to run common security tests against GraphQL APIs that can be run inside CI/CD. (Defensive Security / Continous Security Testing)
- awesome-api-security - graphql-cop
- awesome-hacking-lists - dolevf/graphql-cop - Security Auditor Utility for GraphQL APIs (Python)
README
# GraphQL Cop - Security Audit Utility for GraphQL
## About
GraphQL Cop is a small Python utility to run common security tests against GraphQL APIs. GraphQL Cop is perfect for running CI/CD checks in GraphQL. It is lightweight, and covers interesting security issues in GraphQL.
GraphQL Cop allows you to reproduce the findings by providing cURL commands upon any identified vulnerabilities.
## Requirements
- Python3
- Requests Library
## Detections
- Alias Overloading (DoS)
- Batch Queries (DoS)
- GET based Queries (CSRF)
- POST based Queries using urlencoded payloads (CSRF)
- GraphQL Tracing / Debug Modes (Info Leak)
- Field Duplication (DoS)
- Field Suggestions (Info Leak)
- GraphiQL (Info Leak)
- Introspection (Info Leak)
- Directives Overloading (DoS)
- Circular Query using Introspection (DoS)
- Mutation support over GET methods (CSRF)
## Installation
Below commands should be executed to install dependencies.
```
python3 -m venv path/to/venv
source path/to/venv/bin/activate
python3 -m pip install -r requirements.txt
```
First command creates a virtual environment in the directory specified by `**path/to/venv**`.
Second command activates the virtual environment.
Final command installs all the Python packages listed in the requirements.txt.
## Usage
```
$ python graphql-cop.py -h
Usage: graphql-cop.py -t http://example.com -o json
Options:
-h, --help show this help message and exit
-t URL, --target=URL target url with the path - if a GraphQL path is not
provided, GraphQL Cop will iterate through a series of
common GraphQL paths
-H HEADER, --header=HEADER
Append Header(s) to the request '{"Authorization":
"Bearer eyjt"}' - Use multiple -H for additional
Headers
-o FORMAT, --output=FORMAT
json
-f, --force Forces a scan when GraphQL cannot be detected
-d, --debug Append a header with the test name for debugging
-x PROXY, --proxy=PROXY
HTTP(S) proxy URL in the form
http://user:pass@host:port
-v, --version Print out the current version and exit.
-T, --tor Enable Tor proxy
```
Test a website
```
$ python3 graphql-cop.py -t https://mywebsite.com/graphql
GraphQL Cop 1.1
Security Auditor for GraphQL
Dolev Farhi & Nick Aleks
Starting...
[HIGH] Introspection Query Enabled (Information Leakage)
[LOW] GraphQL Playground UI (Information Leakage)
[HIGH] Alias Overloading with 100+ aliases is allowed (Denial of Service)
[HIGH] Queries are allowed with 1000+ of the same repeated field (Denial of Service)
```
Test a website, dump to a parse-able JSON output, cURL reproduction command
```
python3 graphql-cop.py -t https://mywebsite.com/graphql -o json
{'curl_verify': 'curl -X POST -H "User-Agent: graphql-cop/1.2" -H '
'"Accept-Encoding: gzip, deflate" -H "Accept: */*" -H '
'"Connection: keep-alive" -H "Content-Length: 33" -H '
'"Content-Type: application/json" -d \'{"query": "query { '
'__typename }"}\' \'http://localhost:5013/graphql\'',
'description': 'Tracing is Enabled',
'impact': 'Information Leakage',
'result': False,
'severity': 'INFO',
'color': 'green',
'title': 'Trace Mode'},
{'curl_verify': 'curl -X POST -H "User-Agent: graphql-cop/1.2" -H '
'"Accept-Encoding: gzip, deflate" -H "Accept: */*" -H '
'"Connection: keep-alive" -H "Content-Length: 64" -H '
'"Content-Type: application/json" -d \'{"query": "query { '
'__typename @aa@aa@aa@aa@aa@aa@aa@aa@aa@aa }"}\' '
"'http://localhost:5013/graphql'",
'description': 'Multiple duplicated directives allowed in a query',
'impact': 'Denial of Service',
'result': True,
'severity': 'HIGH',
'color': 'red',
'title': 'Directive Overloading'}]
```
Test a website using `graphql-cop` through a proxy (e.g. Burp Suite listening on 127.0.0.1:8080) with custom headers (e.g. Authorization):
```
$ python3 graphql-cop.py -t https://mywebsite.com/graphql --proxy=http://127.0.0.1:8080 --header '{"Authorization": "Bearer token_here"}'
GraphQL Cop 1.2
Security Auditor for GraphQL
Dolev Farhi & Nick Aleks
Starting...
[HIGH] Introspection Query Enabled (Information Leakage)
[LOW] GraphQL Playground UI (Information Leakage)
[HIGH] Alias Overloading with 100+ aliases is allowed (Denial of Service)
[HIGH] Queries are allowed with 1000+ of the same repeated field (Denial of Service)
```