[Bug 1013639] Re: net-update verifcation checking is still insecure (aka gpg key shadowing, again)

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 0.8.13.2ubuntu4.6

---------------
apt (0.8.13.2ubuntu4.6) natty-security; urgency=low

  * SECURITY UPDATE: Disable apt-key net-update for now, as validation
    code is still insecure
    - cmdline/apt-key: exit 1 immediately in net_update()
    - CVE-2012-0954
    - LP: #1013639
 -- Jamie Strandboge <jamie at ubuntu.com>   Fri, 15 Jun 2012 07:59:17 -0500

** Changed in: apt (Ubuntu Lucid)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1013639

Title:
  net-update verifcation checking is still insecure (aka gpg key
  shadowing, again)

Status in “apt” package in Ubuntu:
  Fix Released
Status in “apt” source package in Lucid:
  Fix Released
Status in “apt” source package in Natty:
  Fix Released
Status in “apt” source package in Oneiric:
  Fix Released
Status in “apt” source package in Precise:
  Fix Released
Status in “apt” source package in Quantal:
  Fix Released
Status in “apt” source package in Hardy:
  Fix Released

Bug description:
  This is related to but different than:
  https://bugs.launchpad.net/ubuntu/+source/apt/+bug/857472
  https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1013128

  FYI:
  http://seclists.org/fulldisclosure/2012/Jun/271
  http://seclists.org/fulldisclosure/2012/Jun/289

  The fix for both of the previous bugs was not enough. There is
  reportedly an active exploit utilizing the Ubuntu CD Image Automatic
  Signing Key.

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