[Bug 1045986] Re: Ubuntu AppArmor policy is too lenient with shell scripts

Rev. Wm. DOC Holliday r37u2a49ci at hotmail.com
Tue Sep 25 18:55:13 UTC 2012


** Changed in: cups (Ubuntu Lucid)
     Assignee: (unassigned) => Rev. Wm. DOC Holliday (r37u2a49ci)

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https://bugs.launchpad.net/bugs/1045986

Title:
  Ubuntu AppArmor policy is too lenient with shell scripts

Status in “apparmor” package in Ubuntu:
  Fix Released
Status in “apport” package in Ubuntu:
  Fix Released
Status in “chromium-browser” package in Ubuntu:
  Confirmed
Status in “cups” package in Ubuntu:
  Confirmed
Status in “dhcp3” package in Ubuntu:
  Invalid
Status in “firefox” package in Ubuntu:
  Confirmed
Status in “isc-dhcp” package in Ubuntu:
  Fix Released
Status in “apparmor” source package in Lucid:
  Invalid
Status in “apport” source package in Lucid:
  Fix Committed
Status in “chromium-browser” source package in Lucid:
  Confirmed
Status in “cups” source package in Lucid:
  Confirmed
Status in “dhcp3” source package in Lucid:
  Fix Released
Status in “firefox” source package in Lucid:
  Confirmed
Status in “isc-dhcp” source package in Lucid:
  Invalid
Status in “apparmor” source package in Natty:
  Triaged
Status in “apport” source package in Natty:
  Fix Committed
Status in “chromium-browser” source package in Natty:
  Confirmed
Status in “cups” source package in Natty:
  Confirmed
Status in “dhcp3” source package in Natty:
  Invalid
Status in “firefox” source package in Natty:
  Confirmed
Status in “isc-dhcp” source package in Natty:
  Fix Released
Status in “apparmor” source package in Oneiric:
  Triaged
Status in “apport” source package in Oneiric:
  Fix Committed
Status in “chromium-browser” source package in Oneiric:
  Confirmed
Status in “cups” source package in Oneiric:
  Confirmed
Status in “dhcp3” source package in Oneiric:
  Invalid
Status in “firefox” source package in Oneiric:
  Confirmed
Status in “isc-dhcp” source package in Oneiric:
  Fix Released
Status in “apparmor” source package in Precise:
  Triaged
Status in “apport” source package in Precise:
  Fix Committed
Status in “chromium-browser” source package in Precise:
  Confirmed
Status in “cups” source package in Precise:
  Confirmed
Status in “dhcp3” source package in Precise:
  Invalid
Status in “firefox” source package in Precise:
  Confirmed
Status in “isc-dhcp” source package in Precise:
  Fix Released
Status in “apparmor” source package in Quantal:
  Fix Released
Status in “apport” source package in Quantal:
  Fix Released
Status in “chromium-browser” source package in Quantal:
  Confirmed
Status in “cups” source package in Quantal:
  Confirmed
Status in “dhcp3” source package in Quantal:
  Invalid
Status in “firefox” source package in Quantal:
  Confirmed
Status in “isc-dhcp” source package in Quantal:
  Fix Released

Bug description:
  Dan Rosenberg has blogged about some AppArmor profile weaknesses in Ubuntu:
  http://blog.azimuthsecurity.com/2012/09/poking-holes-in-apparmor-profiles.html

  This bug will track the work needed to fix them. This is a
  continuation of bug #851986, except for PATH and shell scripts.
  Unfortunately, until we have proper environment filtering support in
  AppArmor, we will have to employ more bandaids-- specifically, either
  eliminating Ux/sanitized helper on shell scripts or adjusting those
  shell scripts to explicitly set their PATH. The good news is that
  environment filtering is on the AppArmor roadmap, and it something we
  will be targeting in the future releases. I filed bug #1045985 to more
  easily track the progress of that work.

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