Bug #74239 [NEW]: getimagesize returns incorrect value for corrupt file.
| From: | akaamitgupta at gmail dot com | Date: | Sun, 12 Mar 2017 10:12:05 +0000 |
| Subject: | Bug #74239 [NEW]: getimagesize returns incorrect value for corrupt file. | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-207806@lists.php.net to get a copy of this message | ||
From: akaamitgupta at gmail dot com
Operating system: Mac OSX
PHP version: 5.6.30
Package: *General Issues
Bug Type: Bug
Bug description:getimagesize returns incorrect value for corrupt file.
Description:
------------
I have wrapped an executable inside an image which has the following
content -
GIF89a<?php
echo 'hacked';
?>
and saved it as filename image.gif.
Whene I use getimagesize() PHP function then it returns
array:6 [â¼
0 => 16188
1 => 26736
2 => 1
3 => "width="16188" height="26736""
"channels" => 3
"mime" => "image/gif"
]
although image is not valid but still it has valid width and height.
--
Edit bug report at https://bugs.php.net/bug.php?id=74239&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74239&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74239&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74239&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=74239&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=74239&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=74239&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=74239&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=74239&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=74239&r=support
Expected behavior: https://bugs.php.net/fix.php?id=74239&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=74239&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=74239&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=74239&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74239&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=74239&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=74239&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=74239&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=74239&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=74239&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=74239&r=mysqlcfg