Re: [Evolution] Where does evolution store its files?
- From: Pete Biggs <pete biggs org uk>
- To: evolution-list gnome org
- Subject: Re: [Evolution] Where does evolution store its files?
- Date: Fri, 27 Jan 2012 09:13:09 +0000
This isn't true; tar can request to not set the ownership, it can just
extract the files and leave permissions and ownership alone.
If that were the case, hacking a system would be trivially easy: get a
user login process, untar a pre-made tar ball with setuid root scripts
in it, elevate privileges. One of the basic tenets of the Unix security
model is that a non-root process can only create files with the same
ownership as that process is running as; further, a process can not
"give away" ownership of a file.
P.
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