Rooting FreeBSD , Privilege Escalation using Jails (P??????tur)

[Jason Hellenthal]

Dag-Erling,

On Mon, May 09, 2011 at 02:34:14PM +0200, Dag-Erling Smørgrav wrote:
> Chris Rees <utisoft at gmail.com> writes:
> > This is the point I'm making, I can't recommend in the docs that one
> > chmods $D/.. because we (the docs writers) don't know what the user
> > (the reader) is going to set $D to.
> 
> Ah, OK.  But you could provide an example where $D is /var/jail, or
> something along those lines.
> 

Do you know if there is a way that chmod on / from within the jail could 
be prevented easily without breaking something ? Maybe not failing but 
falling though and return 0 for any operation with the sole argument of /.

-- 

 Regards, (jhell)
 Jason Hellenthal

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