From:
Operating system: Ubuntu/Linux
PHP version: 5.3.5
Package: Filter related
Bug Type: Bug
Bug description:FILTER_SANITIZE_STRING truncates string with unmatched <
Description:
------------
If a string containing an unmatched "<" character is run through the
FILTER_SANITIZE_STRING filter the string is truncated at the <.
The problem seems to stem from the last parameter in the call to
php_strip_tags_ex(). That parameter tells php_strip_tags_ex() ignore spaces
trailing "<" characters. I checked how php_strip_tags_ex() is called in the
PHP function strip_tags() and it tells php_strip_tags_ex to allow spaced
after a "<".
See ext/filter/santitizing_filters.c line 203 and ext/standard/string.c
line 4023 in PHP 5.3.5.
Test script:
---------------
echo filter_var('four is < 6', FILTER_SANITIZE_STRING);
Expected result:
----------------
four is < 6
Actual result:
--------------
four is
--
Edit bug report at http://bugs.php.net/bug.php?id=53755&edit=1
--
Try a snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=53755&r=trysnapshot52
Try a snapshot (PHP 5.3):
http://bugs.php.net/fix.php?id=53755&r=trysnapshot53
Try a snapshot (trunk):
http://bugs.php.net/fix.php?id=53755&r=trysnapshottrunk
Fixed in SVN:
http://bugs.php.net/fix.php?id=53755&r=fixed
Fixed in SVN and need be documented:
http://bugs.php.net/fix.php?id=53755&r=needdocs
Fixed in release:
http://bugs.php.net/fix.php?id=53755&r=alreadyfixed
Need backtrace:
http://bugs.php.net/fix.php?id=53755&r=needtrace
Need Reproduce Script:
http://bugs.php.net/fix.php?id=53755&r=needscript
Try newer version:
http://bugs.php.net/fix.php?id=53755&r=oldversion
Not developer issue:
http://bugs.php.net/fix.php?id=53755&r=support
Expected behavior:
http://bugs.php.net/fix.php?id=53755&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=53755&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=53755&r=submittedtwice
register_globals:
http://bugs.php.net/fix.php?id=53755&r=globals
PHP 4 support discontinued: http://bugs.php.net/fix.php?id=53755&r=php4
Daylight Savings: http://bugs.php.net/fix.php?id=53755&r=dst
IIS Stability:
http://bugs.php.net/fix.php?id=53755&r=isapi
Install GNU Sed:
http://bugs.php.net/fix.php?id=53755&r=gnused
Floating point limitations:
http://bugs.php.net/fix.php?id=53755&r=float
No Zend Extensions:
http://bugs.php.net/fix.php?id=53755&r=nozend
MySQL Configuration Error:
http://bugs.php.net/fix.php?id=53755&r=mysqlcfg
