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Sicherheit: Zwei Probleme in openstack-nova
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in openstack-nova
ID: RHSA-2014:1084-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux OpenStack Platform
Datum: Do, 21. August 2014, 08:52
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-0167
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3517
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/4/html/Technical_Notes/index.html
Applikationen: OpenStack

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: openstack-nova security, bug fix, and enhancement
update
Advisory ID: RHSA-2014:1084-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1084.html
Issue date: 2014-08-21
CVE Names: CVE-2014-0167 CVE-2014-3517
=====================================================================

1. Summary:

Updated openstack-nova packages that fix two security issues, several bugs,
and add one enhancement are now available for Red Hat Enterprise Linux
OpenStack Platform 4.0.

Red Hat Product Security has rated this update as having Moderate security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux OpenStack Platform 4.0 - noarch

3. Description:

OpenStack Compute (nova) launches and schedules large networks of virtual
machines, creating a redundant and scalable cloud computing platform.
Compute provides the software, control panels, and APIs required to
orchestrate a cloud, including running virtual machine instances, managing
networks, and controlling access through users and projects.

It was found that RBAC policies were not enforced in certain methods of the
OpenStack Compute EC2 (Amazon Elastic Compute Cloud) API. A remote attacker
could use this flaw to escalate their privileges beyond the user group they
were originally restricted to. Note that only certain setups using
non-default RBAC rules for OpenStack Compute were affected. (CVE-2014-0167)

A side-channel timing attack flaw was found in nova. An attacker could
possibly use this flaw to guess valid instance ID signatures, giving them
access to details of another instance, by analyzing the response times of
requests for instance metadata. This issue only affected configurations
that proxy metadata requests via neutron. (CVE-2014-3517)

Red Hat would like to thank the OpenStack project for reporting these
issues. Upstream acknowledges Marc Heckmann of Ubisoft as the original
reporter of CVE-2014-0167, and Alex Gaynor from Rackspace as the original
reporter of CVE-2014-3517.

This update also fixes several bugs and adds one enhancement.
Documentation for these changes will be available shortly from the
Technical Notes document linked to in the References section.

All openstack-nova users are advised to upgrade to these updated packages,
which correct these issues and add this enhancement.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1082670 - connection to multiple qpidd instances is broken
1084868 - CVE-2014-0167 openstack-nova: RBAC policy not properly enforced in
Nova EC2 API
1085006 - Internal Error from python-qpid can cause qpid connection to never
recover
1086814 - VMWARE: datastore selection is incorrect if token is being used
1086815 - VMware: instance names can be edited, breaks nova-driver lookup
1090068 - Backport auto-setting of workers options to # of CPUs
1104082 - Instance doesn't get DHCP offer when using nova network with VLAN
manager
1112499 - CVE-2014-3517 openstack-nova: timing attack issue allows access to
other instances' configuration information
1114150 - sysfsutils needs to be a dependency of OpenStack nova
1116432 - RHOSP 4 is incompatible with python-qpid >= 0.18-11

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 4.0:

Source:
openstack-nova-2013.2.3-12.el6ost.src.rpm

noarch:
openstack-nova-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-api-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-cells-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-cert-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-common-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-compute-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-conductor-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-console-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-doc-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-network-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-novncproxy-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-objectstore-2013.2.3-12.el6ost.noarch.rpm
openstack-nova-scheduler-2013.2.3-12.el6ost.noarch.rpm
python-nova-2013.2.3-12.el6ost.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2014-0167.html
https://www.redhat.com/security/data/cve/CVE-2014-3517.html
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/4/html/Technical_Notes/index.html

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2014 Red Hat, Inc.
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