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Re: RC Bugfix #605868: please unblock sbox-dtc



On Mon, Dec  6, 2010 at 01:26:46 +0800, Thomas Goirand wrote:

> On 12/06/2010 01:15 AM, Philipp Kern wrote:
> > Thomas,
> > 
> > am Sun, Dec 05, 2010 at 01:26:05AM +0800 hast du folgendes geschrieben:
> >> * Sets the SUID bit, chown sbox to root.root (Closse: #605868).
> > 
> > you know, that bug report you opened, it doesn't explain why you need SUID.
> > And a SUID root binary, called as a cgi... doesn't sound like a great idea to
> > me.
> > 
> > Kind regards
> > Philipp Kern
> 
> Hi,
> 
> I thought someone reading what sbox does would understand. Sorry, you
> are right, I should have explain it fully on the bug report.
> 
> What sbox does is a chroot for CGI scripts, then a chuid (plus all sorts
> of setlimits() calls and checks). You can't do that if you aren't root.
> SBOX really does add some more security, and that SUID bit really is,
> mandatory, to do what it does.
> 
> With sbox for example, you can run perl/python/php scripts in a jail in
> your vhosts (if you put the necessary interpreters in the chroot of
> course), and still be safe.
> 
Why do you need your own setuid wrapper around those scripts instead of
using mod_suexec?

Cheers,
Julien

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