#51105 [Fbk]: PHP str_repeat() Function Integer Overflow
| From: | pajoye@php.net | Date: | Sun, 21 Feb 2010 17:26:54 +0000 |
| Subject: | #51105 [Fbk]: PHP str_repeat() Function Integer Overflow | ||
| References: | 1 | Groups: | php.bugs |
| Request: | Send a blank email to php-bugs+get-147927@lists.php.net to get a copy of this message | ||
ID: 51105
Updated by: pajoye@php.net
Reported By: r3d dot w0rm at yahoo dot com
Status: Feedback
Bug Type: Strings related
Operating System: All
PHP Version: 5.3.2RC2
New Comment:
Thank you for this bug report. To properly diagnose the problem, we
need a backtrace to see what is happening behind the scenes. To
find out how to generate a backtrace, please read
http://bugs.php.net/bugs-generating-backtrace.php
for *NIX and
http://bugs.php.net/bugs-generating-backtrace-win32.php
for Win32
Once you have generated a backtrace, please submit it to this bug
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Previous Comments:
------------------------------------------------------------------------
[2010-02-21 16:33:01] r3d dot w0rm at yahoo dot com
Os : win Xp Sp 2 , Fedora 11
Cpu : 2.2
------------------------------------------------------------------------
[2010-02-21 15:14:28] pajoye@php.net
Which processor and OS do you use? I get the expected fatal error here.
------------------------------------------------------------------------
[2010-02-21 14:44:34] r3d dot w0rm at yahoo dot com
Description:
------------
PHP str_repeat() Function Integer Overflow
AUTHOR : Sina Yazdanmehr(R3d.W0rm)
Discovered by : Sina Yazdanmehr (R3d.W0rm)
Our Site : http://IrCrash.com
Our Forums : http://ircrash.com/persian/
My Official WebSite : http://R3dW0rm.ir
IRCRASH Team Members : Khashayar Fereidani - R3d.w0rm (Sina Yazdanmehr)
Reproduce code:
---------------
<?php
//www.IrCrash.com
//By : R3d.W0rm
$str1 = str_repeat('0x0x0x0x',999999999);
$str2 = str_repeat($str,1);
?>
Expected result:
----------------
Fatal error: Possible integer overflow in memory allocation (8 *
999999999 + 1) in F:\Program Files\EasyPHP-5.3.1\www\over.php on line 4
Fatal error: Possible integer overflow in memory allocation (8 *
999999999 + 1) in /var/www/html/over.php on line 4
------------------------------------------------------------------------
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Edit this bug report at http://bugs.php.net/?id=51105&edit=1