https://github.com/rudSarkar/crlf-injector

A CRLF ( Carriage Return Line Feed ) Injection attack occurs when a user manages to submit a CRLF into an application. This is most commonly done by modifying an HTTP parameter or URL.
https://github.com/rudSarkar/crlf-injector

bugbounty crlf-injection python toolshacking

Last synced: about 1 month ago
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A CRLF ( Carriage Return Line Feed ) Injection attack occurs when a user manages to submit a CRLF into an application. This is most commonly done by modifying an HTTP parameter or URL.

• Host: GitHub
• URL: https://github.com/rudSarkar/crlf-injector
• Owner: rudSarkar
• License: mit
• Created: 2017-06-22T18:54:21.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2022-04-08T01:48:53.000Z (over 2 years ago)
• Last Synced: 2024-08-02T01:16:55.180Z (4 months ago)
• Topics: bugbounty, crlf-injection, python, toolshacking
• Language: Python
• Homepage: https://www.owasp.org/index.php/CRLF_Injection
• Size: 205 KB
• Stars: 47
• Watchers: 1
• Forks: 21
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# CRLF.py

CRLF - Auto CRLF Injector

Author: [Rudra Sarkar](https://twitter.com/rudr4_sarkar)

Disclaimer: I am not responsible for any damage done using this tool. This tool should only be used for educational purposes and for penetration testing.

### Compatibility:

* Any platform using Python 2.7

### Requirements:

* Python 2.7

* Modules: requests

### Install Requests Modules:

`$ pip install requests`

### Usage:

$ python crlf.py

Use $ python crlf.py [domain_list.ext] [crlf_payload]

e.g $ python crlf.py mail.ru.list /%0aevil-here:malicious_cookie1

# Payloads:

### /%0aevil-here:malicious_cookie1

### /%0d%0aevil-here:malicious_cookie1

# Screenshot:

### Process:

 

![Process](https://raw.githubusercontent.com/rudSarkar/crlf-injector/master/process.png)

 

Regards!

[Rudra Sarkar](https://twitter.com/rudr4_sarkar)