Re: [Full-Disclosure] Re: New Santy-Worm attacks *all* PHP-skripts

[Steve Wray <steve@xxxxxxxxxxxxx>]

Paul Laudanski wrote:
> On Sat, 25 Dec 2004, Raistlin wrote:
>
> > Juergen Schmidt wrote:
> >
> > > Hello,
> > >
> > > the new santy version not only attacks phpBB.
> >
> > How would these two worms react to classical hardening tips such as PHP 
> > Safe mode and noexec /tmp ?
>
> For this particular strain it would certainly help, but that is why there 
> exists new variations.  Certainly doing it to /tmp, /usr/tmp, /var/tmp 
> could help, but it isn't 100% foolproof, and some don't even consider it 
> security.  

It only protects you from exploits that cannot just go;

source /tmp/rootkit.sh

or other, equivalent methods.

ie its only effective against directly executing files on those 
filesystems; you can still use other methods to run them.

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