[CentOS] Advanced Persistent Threats; Why aren't we confining Firefox and Evolution?

Thu Mar 21 00:09:27 UTC 2013
Rob Townley <rob.townley at gmail.com>

On Mon, Dec 10, 2012 at 9:40 AM, Daniel J Walsh <dwalsh at redhat.com> wrote:
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> On 12/07/2012 06:49 PM, Gordon Messmer wrote:
>> On 12/06/2012 06:05 PM, David McGuffey wrote:
>>> Why isn't Firefox and Evolution confined with SELinux policy in a way
>>> that APT can't damage the rest of the system? Why are we not sandboxing
>>> these two apps with SELinux?
>>
>> Probably mostly because when you sandbox an X11 application, you can't copy
>> and paste in or out of the application.  Most users want to do that.
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>>
> Yes when you wrap something in sandbox, you loose the ability for these
> applications to communicate with the rest of the desktop.  In order to secure
> the desktop in any real way you need to break communications, and this
> communications break down, hurts usability.  I opt for security, and will just
> run evince outside my session, if I really need copy/paste.  Maybe when we get
> to Wayland, we can make this better.
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When i tried sandboxing firefox on CentOS 6.4, it says i need
seunshare, but yum search all seunshare results in nothing.

"/usr/sbin/seunshare is required for the action you want to perform."

Widening the search to selinux and installing a bunch of packages, and
then running:
$ rpm -qf /usr/sbin/seunshare
policycoreutils-sandbox-2.0.83-19.30.el6.x86_64