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Red Hat Product Errata RHSA-2015:0843 - Security Advisory
Issued:
2015-04-16
Updated:
2015-04-16

RHSA-2015:0843 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: openstack-nova security, bug fix, and enhancement update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated OpenStack Compute (nova) packages that fix three security issues,
several bugs, and add various enhancements are now available for Red Hat
Enterprise Linux OpenStack Platform 5.0 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important 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

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 and
controlling access through users and projects.

It was discovered that the OpenStack Compute (nova) console websocket did
not correctly verify the origin header. An attacker could use this flaw to
conduct a cross-site websocket hijack attack. Note that only Compute setups
with VNC or SPICE enabled were affected by this flaw. (CVE-2015-0259)

A denial of service flaw was found in the way OpenStack Compute (nova)
looked up VM instances based on an IP address filter. An attacker with
sufficient privileges on an OpenStack installation with a large amount of
VMs could use this flaw to cause the main nova process to block for an
extended amount of time. (CVE-2014-3708)

A flaw was found in the OpenStack Compute (nova) VMWare driver, which could
allow an authenticated user to delete an instance while it was in the
resize state, causing the instance to remain on the back end. A malicious
user could use this flaw to cause a denial of service by exhausting all
available resources on the system. (CVE-2014-8333)

Red Hat would like to thank the OpenStack project for reporting the
CVE-2015-0259 and CVE-2014-3708 issues. Upstream acknowledges Brian
Manifold of Cisco and Paul McMillan of Nebula as the original reporters of
CVE-2015-0259, and Mohammed Naser from Vexxhost as the original reporter of
CVE-2014-3708.

In addition to the above issues, this update also addresses several bugs
and adds various enhancements, which are documented in the Red Hat
Enterprise Linux OpenStack Platform Technical Notes (see References section).

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

Solution

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

Red Hat Enterprise Linux OpenStack Platform 5 for RHEL 7 runs on Red Hat
Enterprise Linux 7.1.

The Red Hat Enterprise Linux OpenStack Platform 5 for RHEL 7 Release Notes
contain the following:

  • An explanation of the way in which the provided components interact to

form a working cloud computing environment.

  • Technology Previews, Recommended Practices, and Known Issues.
  • The channels required for Red Hat Enterprise Linux OpenStack Platform 5

for RHEL 7, including which channels need to be enabled and disabled.

For details on how to apply this update, refer to:
https://access.redhat.com/articles/11258

Affected Products

  • Red Hat OpenStack 5.0 for RHEL 7 x86_64

Fixes

  • BZ - 1141518 - NOVA API will not update nova compute with vif-plugged events when booting many VMs
  • BZ - 1151114 - Ephemeral disk format option ignored
  • BZ - 1154890 - CVE-2014-8333 openstack-nova: Nova VMware instance in resize state may leak
  • BZ - 1154951 - CVE-2014-3708 openstack-nova: Nova network denial of service through API filtering
  • BZ - 1174422 - Evacuate Fails 'Invalid state of instance files' using Ceph Ephemeral RBD
  • BZ - 1188355 - Fix nova evacuate for shared storage
  • BZ - 1189836 - nova-compute fails to start when there is an instance with port with binding:vif_type=binding_failed
  • BZ - 1190112 - CVE-2015-0259 openstack-nova: console Cross-Site WebSocket hijacking
  • BZ - 1199106 - Rebase openstack-nova to 2014.1.4
  • BZ - 1205806 - QCOW2 virtual size can bypass disk size checks for a flavor

CVEs

  • CVE-2015-0259
  • CVE-2014-8333
  • CVE-2014-3708

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/5/html/Technical_Notes/index.html
  • https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux_OpenStack_Platform/5/html/Release_Notes/index.html
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat OpenStack 5.0 for RHEL 7

SRPM
x86_64
openstack-nova-2014.1.4-3.el7ost.noarch.rpm SHA-256: 4858a1dcc4dd039f86568897b8fc3bf232b14c18dca1d34bb72941542e82f213
openstack-nova-api-2014.1.4-3.el7ost.noarch.rpm SHA-256: bbd4311fe4111185254923c3a9953a84b6b7ea1eca945b77cca66731c238b57f
openstack-nova-cells-2014.1.4-3.el7ost.noarch.rpm SHA-256: 247c0b010221245e9732a7674347697c594930070bd714789e97ea6bee61b5eb
openstack-nova-cert-2014.1.4-3.el7ost.noarch.rpm SHA-256: 931dbf805865b7b4afe318523878aed8d1a9f63ceff00a3ff7f5bc1a4cc87b47
openstack-nova-common-2014.1.4-3.el7ost.noarch.rpm SHA-256: dcbb5af7303426df4ff82f83948045d71daf07e0889fbbf7a191d89faa40bb4a
openstack-nova-compute-2014.1.4-3.el7ost.noarch.rpm SHA-256: c7af3d62f0bfcd36392c3f46a8316f71723ad5a550157a090d2780286ef582c6
openstack-nova-conductor-2014.1.4-3.el7ost.noarch.rpm SHA-256: 2b29a77d9057d319d351bec747312904934e80d8bb092638f5347bd2f7550d5c
openstack-nova-console-2014.1.4-3.el7ost.noarch.rpm SHA-256: 9f978d859dc07ef93def99cc252a1697893dd17986ab2199c13ddc60c5e3009f
openstack-nova-doc-2014.1.4-3.el7ost.noarch.rpm SHA-256: 9172229e12f3d3cfea0af4731086f00d3b649f0767984688f85162595eb01a4d
openstack-nova-network-2014.1.4-3.el7ost.noarch.rpm SHA-256: b90ee94326e0c7f990c53b310e496422f1f8821da25389982b336ac309824c5a
openstack-nova-novncproxy-2014.1.4-3.el7ost.noarch.rpm SHA-256: 4b36d4ab30f48e002d1505fadf3c062706690bccbcac5a88274521a0f6111680
openstack-nova-objectstore-2014.1.4-3.el7ost.noarch.rpm SHA-256: d5428a8152816da9dd31c2ce7e1914fa96100c86db89280eebf4e8cc77207aa6
openstack-nova-scheduler-2014.1.4-3.el7ost.noarch.rpm SHA-256: 47b6f15a579f209e1f9b861e2e3d1e0e1b5340b17cf2f22fbb73f82e9a56c9a1
openstack-nova-serialproxy-2014.1.4-3.el7ost.noarch.rpm SHA-256: 4cf26d4a4e3df2ffb844d20858acfc3f7c35025000297b6c2cbfac4c02e4276b
python-nova-2014.1.4-3.el7ost.noarch.rpm SHA-256: e29b324fc7e742db5cd7c6e399be524acc7319e9b26911a291b554774a7d2bba

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

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