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Jakeman 04-04-2004 09:43 PM
PHP injection?
 
Is PHP injection possible? The possibility just occurred to me. So far I haven't been successful in injecting PHP code through _REQUEST vars.

For example, http://www.domain.com/file.php?sort=");&order=DESC

With this code:

PHP Code:
$var .= some_function($_REQUEST['sort'], $_REQUEST['order']); 
In this example I get no parse errors and $_REQUEST['order'] still goes through.

Chroder 04-04-2004 09:55 PM
Thats because 'sort' is holding the string, its not executed literally. Thats the same as going:

PHP Code:
$_REQUEST['sort'] = '");'; 
If you were to eval() it, then it'd be different.

Jakeman 04-04-2004 10:53 PM
That clears things up a bit. Thanks.

filburt1 04-05-2004 02:04 AM
Correct. It cool.

Now, if it were enclosed in an eval() statement, then it would hit the fan.


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