#48344 [NEW]: $_FILES return wrong file type

From: Date: Wed, 20 May 2009 11:20:20 +0000
Subject: #48344 [NEW]: $_FILES return wrong file type
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-137556@lists.php.net to get a copy of this message 
From:             danymoussa at gmail dot com
Operating system: Centos 5
PHP version:      5.2.9
PHP Bug Type:     Filter related
Bug description:  $_FILES return wrong file type

Description:
------------
This is a very serious problem that i never faced in php earlier version.
However i tried to hack into my jpg-upload-image script and was able to do
that by inserting a renamed shell script: pic1.php.jpg

Reproduce code:
---------------
<form action="upload.php" method="post" 
enctype="multipart/form-data">
	<input type="file" name="file">
	<input type="submit" value="Upload">
</form>

print_r($_FILES);

Expected result:
----------------
      [file] =&gt; Array
        (
            [name] =&gt; pic.php.jpg
            [type] =&gt; image/jpeg
            [tmp_name] =&gt; /tmp/php96MEPH
            [error] =&gt; 0
            [size] =&gt; 23052
        )  

Actual result:
--------------
[file] =&gt; Array
        (
            [name] =&gt; pic.php.jpg
            [type] =&gt; application/octet-stream
            [tmp_name] =&gt; /tmp/php96MEPH
            [error] =&gt; 0
            [size] =&gt; 23052
        )

-- 
Edit bug report at http://bugs.php.net/?id=48344&edit=1
-- 
Try a CVS snapshot (PHP 5.2):        http://bugs.php.net/fix.php?id=48344&r=trysnapshot52
Try a CVS snapshot (PHP 5.3):        http://bugs.php.net/fix.php?id=48344&r=trysnapshot53
Try a CVS snapshot (PHP 6.0):        http://bugs.php.net/fix.php?id=48344&r=trysnapshot60
Fixed in CVS:                        http://bugs.php.net/fix.php?id=48344&r=fixedcvs
Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=48344&r=needdocs
Fixed in release:                    http://bugs.php.net/fix.php?id=48344&r=alreadyfixed
Need backtrace:                      http://bugs.php.net/fix.php?id=48344&r=needtrace
Need Reproduce Script:               http://bugs.php.net/fix.php?id=48344&r=needscript
Try newer version:                   http://bugs.php.net/fix.php?id=48344&r=oldversion
Not developer issue:                 http://bugs.php.net/fix.php?id=48344&r=support
Expected behavior:                   http://bugs.php.net/fix.php?id=48344&r=notwrong
Not enough info:                     http://bugs.php.net/fix.php?id=48344&r=notenoughinfo
Submitted twice:                     http://bugs.php.net/fix.php?id=48344&r=submittedtwice
register_globals:                    http://bugs.php.net/fix.php?id=48344&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=48344&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=48344&r=dst
IIS Stability:                       http://bugs.php.net/fix.php?id=48344&r=isapi
Install GNU Sed:                     http://bugs.php.net/fix.php?id=48344&r=gnused
Floating point limitations:          http://bugs.php.net/fix.php?id=48344&r=float
No Zend Extensions:                  http://bugs.php.net/fix.php?id=48344&r=nozend
MySQL Configuration Error:           http://bugs.php.net/fix.php?id=48344&r=mysqlcfg

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