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[Bug 715874] Re: gnome thumbnailers should have an apparmor profile

 

** Package changed: gnome-control-center (Ubuntu) => gnome-utils
(Ubuntu)

** Package changed: gnome-desktop (Ubuntu) => gnome-desktop3 (Ubuntu)

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https://bugs.launchpad.net/bugs/715874

Title:
  gnome thumbnailers should have an apparmor profile

Status in “gnome-desktop3” package in Ubuntu:
  Triaged
Status in “gnome-utils” package in Ubuntu:
  In Progress
Status in “totem” package in Ubuntu:
  In Progress

Bug description:
  Binary package hint: gnome-control-center

  Nautilus normally uses gnome-thumbnail-font, to provide font previews. Eg:
  $ gconftool-2 -g /desktop/gnome/thumbnailers/application@x-font-ttf/enable
  true
  $ gconftool-2 -g /desktop/gnome/thumbnailers/application@x-font-ttf/command
  gnome-thumbnail-font %u %o

  If a flaw is discovered in a font library or Gnome and a user
  navigates to a directory that has a malicious font file, gnome-
  thumbnail-font could be used to execute arbitrary code, write out to
  files or leak information. Providing an apparmor profile for gnome-
  thumbnail-font would be a good step towards proactively protecting the
  user from this sort of attack.

  The same can be said for other thumbnailers. Nautilus also uses totem-
  video-thumbnail and evince-thumbnailer (evince-thumbnailer has an
  apparmor profile already). For images, nautilus uses gdk-pixbuf
  routines via gnome-desktop, but these can be altered to use evince-
  thumbnailer by installing schema files for the various image mime-
  types and updating gnome-desktop to not fallback to gdk-pixbuf on
  thumbnail script error.

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