[Openstack-security] [Bug 1188189] Re: Some server-side 'SSL' communication fails to check certificates (use of HTTPSConnection)

Chris Suttles 1188189 at bugs.launchpad.net
Sun Aug 13 08:22:40 UTC 2017


I'm sorry to bail on this after grabbing it @d-gollub. I spent some time
on this, but got stuck on updating tests. I reached out in a couple
related tickets but got no replies. I'd hand this back but I don't have
permission to do so.

** Changed in: cinder
     Assignee: Chris Suttles (killface007) => (unassigned)

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https://bugs.launchpad.net/bugs/1188189

Title:
  Some server-side 'SSL' communication fails to check certificates (use
  of HTTPSConnection)

Status in Cinder:
  Triaged
Status in OpenStack Identity (keystone):
  Fix Released
Status in neutron:
  Fix Released
Status in oslo.vmware:
  Fix Released
Status in OpenStack Security Advisory:
  Won't Fix
Status in OpenStack Security Notes:
  Fix Released
Status in python-keystoneclient:
  Fix Released
Status in OpenStack Object Storage (swift):
  Invalid

Bug description:
  Grant Murphy from Red Hat reported usage of httplib.HTTPSConnection
  objects. In Python 2.x those do not perform CA checks so client
  connections are vulnerable to MiM attacks.

  """
  The following files use httplib.HTTPSConnection :
  keystone/middleware/s3_token.py
  keystone/middleware/ec2_token.py
  keystone/common/bufferedhttp.py
  vendor/python-keystoneclient-master/keystoneclient/middleware/auth_token.py

  AFAICT HTTPSConnection does not validate server certificates and
  should be avoided. This is fixed in Python 3, however in 2.X no
  validation occurs. I suspect this is also applicable to most OpenStack
  modules that make HTTPS client calls.

  Similar problems were found in ovirt:
  https://bugzilla.redhat.com/show_bug.cgi?id=851672 (CVE-2012-3533)

  With solutions for ovirt:
  http://gerrit.ovirt.org/#/c/7209/
  http://gerrit.ovirt.org/#/c/7249/
  """

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