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Bug #49650 Source code is sometimes sent to the browser
Submitted: 2009-09-24 08:30 UTC Modified: 2009-10-02 01:00 UTC
Votes:2
Avg. Score:5.0 ± 0.0
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:1 (50.0%)
From: michkol at gmail dot com Assigned:
Status: No Feedback Package: Apache2 related
PHP Version: 5.2.11 OS: Linux
Private report: No CVE-ID: None
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From: michkol at gmail dot com
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 [2009-09-24 08:30 UTC] michkol at gmail dot com 
Description:
------------
PHP responds to some invalid POST requests with an error message that includes the source code.


Reproduce code:
---------------
<?php
$dblogin = 'admin';
$dbpass = 'secret';
mysql_connect('localhost', $dblogin, $dbpass);
echo 'some output';
?>


$ telnet localhost 80
POST /test.php HTTP/1.0
Content-Length: -75000000



Expected result:
----------------
The code of a script should be never sent to clients. This is a severe security flaw.

Apache/PHP should just send a 413 error, without the code, for example:
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>413 Request Entity Too Large</title>
</head><body>
<h1>Request Entity Too Large</h1>
The requested resource<br />/test.php<br />
does not allow request data with POST requests, or the amount of data provided in
the request exceeds the capacity limit.
</body></html>


Actual result:
--------------
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>413 Request Entity Too Large</title>
</head><body>
<h1>Request Entity Too Large</h1>
The requested resource<br />/test.php<br />
does not allow request data with POST requests, or the amount of data provided in
the request exceeds the capacity limit.
</body></html>
<?php
$dblogin = 'admin';
$dbpass = 'secret';
mysql_connect('localhost', $dblogin, $dbpass);
echo 'some output';
?>

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 [2009-09-24 08:43 UTC] jani@php.net 
Sometimes? What PHP version are you really using?
 [2009-09-24 08:45 UTC] michkol at gmail dot com 
PHP 5.2.11, Apache 2.2.11.
 [2009-10-02 01:00 UTC] php-bugs at lists dot php dot net 
No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".
 
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