Re: Re: Remote File Variable Injection Safety?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



2009/1/7 Shawn McKenzie <nospam@xxxxxxxxxxxxx>:
> Daniel Kolbo wrote:
>> Hello,
>>
>> suppose there is a file at http://otherhost.com/remote.php that looks
>> like this:
>>
>> <?php
>> if (!isset($safe_flag))
>> {
>>    die("hacking attempt");
>> }
>> echo "You are in";
>> ?>
>>
>> Suppose i executed the following php file at http://myhost.com/local.php
>>
>> <?php
>> require_once("http://otherhost.com/remote.php";);
>> ?>
>>
>> Is there any way to get local.php to display "You are in", by only
>> modifying local.php?  That is, is there a way to set $safe_flag on the
>> remote host as one requests a file from the remote host from within
>> local.php?
>>
>> I have genuine, academic, non-belligerent intentions when asking this
>> question.
>
> local.php
>
> <?php
>
> $safe_flag = 1;
> require_once("http://otherhost.com/remote.php";);
>
> ?>

If the remote side is returning the code rather than running it then
anyone can see exactly what to do to get it to work. There is no
security there.

OP: Does otherhost.com run the code or return it?

-Stuart

-- 
http://stut.net/

-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php


[Index of Archives]     [PHP Home]     [Apache Users]     [PHP on Windows]     [Kernel Newbies]     [PHP Install]     [PHP Classes]     [Pear]     [Postgresql]     [Postgresql PHP]     [PHP on Windows]     [PHP Database Programming]     [PHP SOAP]

  Powered by Linux