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Red Hat Product Errata RHSA-2013:0658 - Security Advisory
Issued:
2013-03-21
Updated:
2013-03-21

RHSA-2013:0658 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: openstack-cinder security and enhancement update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated openstack-cinder packages that fix two security issues and add one
enhancement are now available for Red Hat OpenStack Folsom.

The Red Hat Security Response Team 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.

Description

The openstack-cinder packages provide OpenStack Volume (code name Cinder),
which provides services to manage and access block storage volumes for use
by virtual machine instances.

A denial of service flaw was found in the Extensible Markup Language (XML)
parser used by Cinder. A remote attacker could use this flaw to send a
specially-crafted request to a Cinder API, causing Cinder to consume an
excessive amount of CPU and memory. (CVE-2013-1664)

A flaw was found in the XML parser used by Cinder. If a remote attacker
sent a specially-crafted request to a Cinder API, it could cause Cinder to
connect to external entities, causing a large amount of system load, or
allow an attacker to read files on the Cinder server that are accessible
to the user running Cinder. (CVE-2013-1665)

This update also adds the following enhancement:

  • This update implements a Cinder driver that allows Red Hat Storage to be

used as a back-end for Cinder volumes. To use this driver,
"volume_driver = cinder.volume.glusterfs.GlusterfsDriver" and the
"glusterfs_shares_config" option must be set in "/etc/cinder/cinder.conf",
and the RHSA-2013:0657 openstack-nova update must also be installed. Note
that there is no volume snapshot or clone support when using this driver.
(BZ#892686)

All users of openstack-cinder are advised to upgrade to these updated
packages, which fix these issues and add this enhancement. After installing
the updated packages, the Cinder running services will be restarted
automatically.

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/knowledge/articles/11258

Affected Products

  • Red Hat OpenStack folsom x86_64

Fixes

  • BZ - 892686 - Develop Cinder driver for Gluster/Red Hat Storage backend for volume support
  • BZ - 910222 - CVE-2013-1664 CVE-2013-1665 OpenStack cinder: XML entity parsing
  • BZ - 912982 - CVE-2013-1665 Python xml bindings: External entity expansion in Python XML libraries inflicts potential security flaws and DoS vulnerabilities
  • BZ - 913808 - CVE-2013-1664 Python xml bindings: Internal entity expansion in Python XML libraries inflicts DoS vulnerabilities

CVEs

  • CVE-2013-1664
  • CVE-2013-1665

References

  • https://access.redhat.com/security/updates/classification/#moderate
  • https://rhn.redhat.com/errata/RHSA-2013-0657.html
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat OpenStack folsom

SRPM
openstack-cinder-2012.2.3-4.el6ost.src.rpm SHA-256: eb6797bf991fd6b38c39c1cdb87a8d79991f183256cecba14766dc2e4b217a3f
x86_64
openstack-cinder-2012.2.3-4.el6ost.noarch.rpm SHA-256: c0b55652b68d1c66ad2b7454173cb88e04f344a0c764dcb184c9966f1acaeb30
openstack-cinder-doc-2012.2.3-4.el6ost.noarch.rpm SHA-256: 550b10b9c57e22329114118566467f886f9e8e16d25450c94f549f38b58823b9
python-cinder-2012.2.3-4.el6ost.noarch.rpm SHA-256: c00a42df259ec3ef0a3d73dda6171088e679fe7cf05a8d0594b259668078a5f6

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

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