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Groups > linux.debian.project > #8654

Re: third-party packages adding apt sources

From Russ Allbery <rra@debian.org>
Newsgroups linux.debian.project
Subject Re: third-party packages adding apt sources
Date 2016-05-19 20:20 +0200
Message-ID <rAAIa-3fU-39@gated-at.bofh.it> (permalink)
References <rAxTX-1sm-3@gated-at.bofh.it> <rAzCp-2Bt-13@gated-at.bofh.it> <rAzM5-2EV-5@gated-at.bofh.it>
Organization The Eyrie

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Daniel Pocock <daniel@pocock.pro> writes:

> Another thing comes to mind: making sure that even if the user
> explicitly allows some other repository, they are protected from package
> updates that come along and replace other things like apt itself, libc,
> bash, gnupg, ...

While this would be nice to prevent accidents, it's not clear that you can
really establish any security guarantees.  You can protect against some
very obvious things, such as wholesale replacing core packages, but
postinst scripts still run as root and can do anything they want.  So you
don't get any real security benefit here that I can see.

-- 
Russ Allbery (rra@debian.org)               <http://www.eyrie.org/~eagle/>

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Thread

third-party packages adding apt sources Daniel Pocock <daniel@pocock.pro> - 2016-05-19 17:20 +0200
  Re: third-party packages adding apt sources Paul Tagliamonte <paultag@debian.org> - 2016-05-19 17:50 +0200
    Re: third-party packages adding apt sources Bas Wijnen <wijnen@debian.org> - 2016-05-19 19:00 +0200
      Re: third-party packages adding apt sources "Adam D. Barratt" <adam@adam-barratt.org.uk> - 2016-05-19 19:10 +0200
      Re: third-party packages adding apt sources Mike Hommey <mh@glandium.org> - 2016-05-20 00:40 +0200
      Re: third-party packages adding apt sources Vincent Bernat <bernat@debian.org> - 2016-05-20 07:30 +0200
        Re: third-party packages adding apt sources Antonio Terceiro <terceiro@debian.org> - 2016-05-20 14:00 +0200
          Re: third-party packages adding apt sources The Wanderer <wanderer@fastmail.fm> - 2016-05-20 14:30 +0200
          Re: third-party packages adding apt sources Ole Streicher <olebole@debian.org> - 2016-05-20 15:00 +0200
            testing is a tool for the release team (Re: third-party packages  adding apt sources Holger Levsen <holger@layer-acht.org> - 2016-05-20 15:10 +0200
          Re: third-party packages adding apt sources Vincent Bernat <bernat@debian.org> - 2016-05-20 20:40 +0200
        Re: third-party packages adding apt sources Paul Wise <pabs@debian.org> - 2016-05-21 08:10 +0200
      Re: third-party packages adding apt sources Tollef Fog Heen <tfheen@err.no> - 2016-05-20 14:50 +0200
    Re: third-party packages adding apt sources Ian Jackson <ijackson@chiark.greenend.org.uk> - 2016-05-19 20:20 +0200
  Re: third-party packages adding apt sources Russ Allbery <rra@debian.org> - 2016-05-19 17:50 +0200
    Re: third-party packages adding apt sources Holger Levsen <holger@layer-acht.org> - 2016-05-19 18:00 +0200
  Re: third-party packages adding apt sources Ian Jackson <ijackson@chiark.greenend.org.uk> - 2016-05-19 19:10 +0200
    Re: third-party packages adding apt sources Daniel Pocock <daniel@pocock.pro> - 2016-05-19 19:20 +0200
      Re: third-party packages adding apt sources Bas Wijnen <wijnen@debian.org> - 2016-05-19 19:50 +0200
        Re: third-party packages adding apt sources Ian Jackson <ijackson@chiark.greenend.org.uk> - 2016-05-19 20:20 +0200
      Re: third-party packages adding apt sources Russ Allbery <rra@debian.org> - 2016-05-19 20:20 +0200
      Re: third-party packages adding apt sources Ian Jackson <ijackson@chiark.greenend.org.uk> - 2016-05-19 20:20 +0200
    Re: third-party packages adding apt sources Vincent Bernat <bernat@debian.org> - 2016-05-20 07:40 +0200
      Re: third-party packages adding apt sources Charles Plessy <plessy@debian.org> - 2016-05-20 11:40 +0200
      Re: third-party packages adding apt sources Paul Wise <pabs@debian.org> - 2016-05-21 08:10 +0200
        Re: third-party packages adding apt sources Vincent Bernat <bernat@debian.org> - 2016-05-21 08:50 +0200
          Re: third-party packages adding apt sources Paul Wise <pabs@debian.org> - 2016-05-21 09:00 +0200
            Re: third-party packages adding apt sources Vincent Bernat <bernat@debian.org> - 2016-05-21 09:10 +0200
        Re: third-party packages adding apt sources Lars Wirzenius <liw@liw.fi> - 2016-05-21 09:40 +0200
          Re: third-party packages adding apt sources Martin Steigerwald <martin@lichtvoll.de> - 2016-05-21 10:30 +0200
          Re: third-party packages adding apt sources Martin Steigerwald <martin@lichtvoll.de> - 2016-05-21 10:30 +0200
            Re: third-party packages adding apt sources Vincent Bernat <bernat@debian.org> - 2016-05-21 11:00 +0200
              Re: third-party packages adding apt sources Martin Steigerwald <martin@lichtvoll.de> - 2016-05-21 11:30 +0200
        Re: third-party packages adding apt sources Martin Steigerwald <martin@lichtvoll.de> - 2016-05-21 10:10 +0200
          Re: third-party packages adding apt sources Lars Wirzenius <liw@liw.fi> - 2016-05-21 10:40 +0200
            Re: third-party packages adding apt sources Martin Steigerwald <martin@lichtvoll.de> - 2016-05-21 11:20 +0200
      Re: third-party packages adding apt sources Ole Streicher <olebole@debian.org> - 2016-05-21 10:00 +0200
        Re: third-party packages adding apt sources Vincent Bernat <bernat@debian.org> - 2016-05-21 11:00 +0200
  Re: third-party packages adding apt sources Hakan Peker <holypeker@manlymail.net> - 2016-05-19 19:50 +0200
    Re: third-party packages adding apt sources Vincent Danjean <vdanjean.ml@free.fr> - 2016-05-20 21:40 +0200
      Re: third-party packages adding apt sources Hakan Peker <holypeker@manlymail.net> - 2016-05-22 16:50 +0200
        Re: third-party packages adding apt sources Andrew McGlashan <andrew.mcglashan@affinityvision.com.au> - 2016-05-22 17:10 +0200
  Re: third-party packages adding apt sources Charles Plessy <plessy@debian.org> - 2016-05-21 05:50 +0200
  Re: third-party packages adding apt sources Paul Wise <pabs@debian.org> - 2016-05-21 07:50 +0200
    Re: third-party packages adding apt sources Adam Borowski <kilobyte@angband.pl> - 2016-05-21 14:40 +0200
      Re: third-party packages adding apt sources Paul Wise <pabs@debian.org> - 2016-05-22 03:50 +0200

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