CORS-Scanner

CORS misconfiguration scanner

CORS-Scanner is written in go, designed to discover CORS misconfigurations vulnerabilities of web application.

Installation

If you have Go installed and configured (i.e. with $GOPATH/bin in your $PATH): you can install CORS-Scanner with go get:

▶ go get -u github.com/Tanmay-N/CORS-Scanner

Usage

CORS-Scanner -h 

  -o string
    	Set the Origin Header (Default=evil.collrabrator.com) (default "evil.collrabrator.com")
  -s string
    	Set the Cookie if required! (Default=Nill) (default "session=nulll")

CORS-Scanner accepts line-delimited domains on stdin:

▶ cat recon/example/domains.txt | httprobe > CORS-domain.txt
http://cors-test.example.com/test
https://logcollector.api.example.com
https://cloudcore.api.example.com
https://photo.api.example.com

▶ cat CORS-domain.txt | CORS-Scanner
[VULN - Found Misconfigured! Relefected Origin With Credentials True] Reflected Origin: evil.collrabrator.com, credentials: true, - URL: http://cors-test.example.com/test
[VULN - Found Misconfigured! Relefected Origin With Credentials True] Reflected Origin: evil.collrabrator.com, credentials: true, - URL: https://example.com/Account/Login?ReturnUrl=%2f
[VULN - Found Misconfigured! configured with Wildcard (*)] https://logcollector.api.example.com
[VULN - Found Misconfigured! configured with Wildcard (*)] https://cloudcore.api.example.com
[VULN - Found Misconfigured! configured with Wildcard (*)] https://photo.api.example.com

Discover CORS misconfigurations for particular host:

 ▶ echo "https://example.com/" | CORS-Scanner