Open Stack

** Information type changed from Private Security to Public

** Changed in: ossa
       Status: Incomplete => Won't Fix

** Tags added: security

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https://bugs.launchpad.net/bugs/1454074

Title:
  denial of service via large number of logout page requests

Status in OpenStack Dashboard (Horizon):
  Triaged
Status in OpenStack Security Advisory:
  Won't Fix

Bug description:
  This issue is being treated as a potential security risk under
  embargo. Please do not make any public mention of embargoed (private)
  security vulnerabilities before their coordinated publication by the
  OpenStack Vulnerability Management Team in the form of an official
  OpenStack Security Advisory. This includes discussion of the bug or
  associated fixes in public forums such as mailing lists, code review
  systems and bug trackers. Please also avoid private disclosure to
  other individuals not already approved for access to this information,
  and provide this same reminder to those who are made aware of the
  issue prior to publication. All discussion should remain confined to
  this private bug report, and any proposed fixes should be added to the
  bug as attachments.

  While investigating CVE-2014-8124
  (https://bugs.launchpad.net/horizon/+bug/1394370) I think I found
  another instance of the underlying issue, but with the logout form.

  I'm on Ubuntu 14.04 LTS, with distro-packaged openstack-dashboard
  1:2014.1.4-0ubuntu2. I verified the patch from
  https://review.openstack.org/140356 is applied to the installed files.
  I configured horizon to use mysql datastore, and ran the following
  command:

  while true ; do wget http://localhost/horizon/auth/logout/ ; done

  While this command was running I checked the mysql dash database table
  django_sessions and found it growing without apparent bound:

  select * from django_session;
  ...
  231 rows in set (0.00 sec)

  Is this an issue?

  Thanks

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