Re: Secure way to handle pw on session.

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On Tue, Sep 2, 2008 at 4:06 PM, Robert Cummings <robert@xxxxxxxxxxxxx> wrote:
> On Tue, 2008-09-02 at 12:58 -0700, mike wrote:
>> As an additional note suhosin can transparently encrypt and decrypt
>> your session data for reasons just like the /tmp issue. It happens
>> without you needing to configure anything (except to enable or disable
>> it) I think it is enabled by default.
>
> This won't help since the OP mentioned he was worried about code
> injection exposing the contents of $_SESSION and presumably suhosin
> doesn't prevent restoration of the session on page load.
>
> Cheers,
> Rob.
>
>
>
>> On Sep 2, 2008, at 12:35 PM, "Dan Joseph" <dmjoseph@xxxxxxxxx> wrote:
>>
>> > On Tue, Sep 2, 2008 at 3:27 PM, k bah <kbah@xxxxxxxxxxxxx> wrote:
>> >
>> >>
>> >> Hi,
>> >>
>> >> I noticed session files are kept on /tmp for a while, and even if
>> >> they
>> >> were immediately deleted, well, someone could use one of my php
>> >> scripts to
>> >> inject code and read them, since they belong to the httpd user.
>> >> What's the best way to receive passwords thru a form and store them
>> >> in the
>> >> $_SESSION while I process other information to decide whether or
>> >> not that
>> >> user is able to proceed and login (check to see if user is also
>> >> allowed to
>> >> use that service, not just validate user/pw)? I use https, always,
>> >> no plain
>> >> http is used.
>> >>
>> >> Thanks
>> >>
>> >> =
>> >>
>> >>
>> >> --
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>> >>
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>> >> PHP General Mailing List (http://www.php.net/)
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>> >>
>> >>
>> > I personally would recommend you never store passwords in $_SESSION.
>> >
>> > I don't know how your auth code works, but the way I've always done
>> > it would
>> > be to process everything when you his submit, with the password
>> > being in
>> > $_POST or $_GET, then after you authenticate the user, drop it and
>> > don't
>> > store it with sessions.  If you find you need it to be stored for
>> > other
>> > things, I'd suggest rethinking the design/checking you're doing.
>> >
>> > --
>> > -Dan Joseph
>> >
>> > www.canishosting.com - Plans start @ $1.99/month.
>> >
>> > "Build a man a fire, and he will be warm for the rest of the day.
>> > Light a man on fire, and will be warm for the rest of his life."
>>
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>

If code is getting injected into our apps we're screwed.

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