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

Synopsis:          Moderate: Red Hat Ceph Storage 1.3 security, bug fix, and enhancement update
Advisory ID:       RHSA-2016:2847-01
Product:           Red Hat Ceph Storage
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-2847.html
Issue date:        2016-12-01
CVE Names:         CVE-2016-8626 
=====================================================================

1. Summary:

An update is now available for Red Hat Ceph Storage 1.3. This erratum is
applicable for Red Hat Ceph Storage that runs on Red Hat Enterprise Linux
7.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Ceph Storage MON 1.3 - x86_64
Red Hat Ceph Storage OSD 1.3 - x86_64
Red Hat Ceph Storage Tools 1.3 - x86_64

3. Description:

Red Hat Ceph Storage is a scalable, open, software-defined storage platform
that combines the most stable version of the Ceph storage system with a
Ceph management platform, deployment utilities, and support services.

Security Fix(es):

* A flaw was found in the way Ceph Object Gateway handles POST object
requests. An authenticated attacker could launch a denial of service attack
by sending null or specially crafted POST object requests. (CVE-2016-8626)

Bug Fix(es):

* Dynamic Large Objects (DLOs) containing zero-length segments could cause
the GET requests to enter an infinite loop or to fail depending on the
position of the zero-length segment in an object, causing Ceph Object
Gateway nodes to consume 100% of CPU. This bug has been fixed, and the GET
requests succeed as expected in described situation. (BZ#1380196)

* After backporting certain upstream changes, an attempt to delete objects
that contain underscore characters failed. The change causing this bug has
been removed, and objects can now be deleted as expected. (BZ#1388647)

Enhancement(s):

* This update adds the "apply-layout-settings" command to the
ceph-objectstore-tool utility. The new command enables users to perform
collection splitting offline on OSD nodes in cases when doing it online
would cause too large an impact. (BZ#1367441)

* With this update, it is possible to change the maximum number shards per
bucket. This is especially useful when bucket sharding was not configured
correctly. (BZ#1378995)

All users of Red Hat Ceph Storage are advised to upgrade to these updated
packages.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

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

1367441 - [RHCS-1.3] ceph-objectstore-tool: ability to perform filestore splits offline : new command apply-layout-settings
1378995 - [RFE] [rhcs-1.3.x] RGW resharding tool
1380196 - [RHCS 1.3.z] RGW goes into loop causing 100% CPU utilization
1388647 - [1.3.3/0.94.9-5.el7cp radosgw-admin fails during purgedata
1389193 - CVE-2016-8626 Ceph: RGW Denial of Service by sending null or specially crafted POST object requests

6. Package List:

Red Hat Ceph Storage Tools 1.3:

Source:
ceph-0.94.9-8.el7cp.src.rpm

x86_64:
ceph-common-0.94.9-8.el7cp.x86_64.rpm
ceph-debuginfo-0.94.9-8.el7cp.x86_64.rpm
ceph-radosgw-0.94.9-8.el7cp.x86_64.rpm
ceph-selinux-0.94.9-8.el7cp.x86_64.rpm
librados2-0.94.9-8.el7cp.x86_64.rpm
librados2-devel-0.94.9-8.el7cp.x86_64.rpm
librbd1-0.94.9-8.el7cp.x86_64.rpm
librbd1-devel-0.94.9-8.el7cp.x86_64.rpm
python-rados-0.94.9-8.el7cp.x86_64.rpm
python-rbd-0.94.9-8.el7cp.x86_64.rpm

Red Hat Ceph Storage Tools 1.3:

Source:
ceph-0.94.9-8.el7cp.src.rpm

x86_64:
ceph-common-0.94.9-8.el7cp.x86_64.rpm
ceph-debuginfo-0.94.9-8.el7cp.x86_64.rpm
ceph-radosgw-0.94.9-8.el7cp.x86_64.rpm
ceph-selinux-0.94.9-8.el7cp.x86_64.rpm
librados2-0.94.9-8.el7cp.x86_64.rpm
librados2-devel-0.94.9-8.el7cp.x86_64.rpm
librbd1-0.94.9-8.el7cp.x86_64.rpm
librbd1-devel-0.94.9-8.el7cp.x86_64.rpm
python-rados-0.94.9-8.el7cp.x86_64.rpm
python-rbd-0.94.9-8.el7cp.x86_64.rpm

Red Hat Ceph Storage MON 1.3:

Source:
ceph-0.94.9-8.el7cp.src.rpm

x86_64:
ceph-0.94.9-8.el7cp.x86_64.rpm
ceph-common-0.94.9-8.el7cp.x86_64.rpm
ceph-debuginfo-0.94.9-8.el7cp.x86_64.rpm
ceph-mon-0.94.9-8.el7cp.x86_64.rpm
ceph-selinux-0.94.9-8.el7cp.x86_64.rpm
ceph-test-0.94.9-8.el7cp.x86_64.rpm
librados2-0.94.9-8.el7cp.x86_64.rpm
librados2-devel-0.94.9-8.el7cp.x86_64.rpm
librbd1-0.94.9-8.el7cp.x86_64.rpm
librbd1-devel-0.94.9-8.el7cp.x86_64.rpm
python-rados-0.94.9-8.el7cp.x86_64.rpm
python-rbd-0.94.9-8.el7cp.x86_64.rpm

Red Hat Ceph Storage OSD 1.3:

Source:
ceph-0.94.9-8.el7cp.src.rpm

x86_64:
ceph-0.94.9-8.el7cp.x86_64.rpm
ceph-common-0.94.9-8.el7cp.x86_64.rpm
ceph-debuginfo-0.94.9-8.el7cp.x86_64.rpm
ceph-osd-0.94.9-8.el7cp.x86_64.rpm
ceph-selinux-0.94.9-8.el7cp.x86_64.rpm
ceph-test-0.94.9-8.el7cp.x86_64.rpm
librados2-0.94.9-8.el7cp.x86_64.rpm
librados2-devel-0.94.9-8.el7cp.x86_64.rpm
librbd1-0.94.9-8.el7cp.x86_64.rpm
librbd1-devel-0.94.9-8.el7cp.x86_64.rpm
python-rados-0.94.9-8.el7cp.x86_64.rpm
python-rbd-0.94.9-8.el7cp.x86_64.rpm

Red Hat Ceph Storage Tools 1.3:

Source:
ceph-0.94.9-8.el7cp.src.rpm

x86_64:
ceph-common-0.94.9-8.el7cp.x86_64.rpm
ceph-debuginfo-0.94.9-8.el7cp.x86_64.rpm
ceph-radosgw-0.94.9-8.el7cp.x86_64.rpm
ceph-selinux-0.94.9-8.el7cp.x86_64.rpm
librados2-0.94.9-8.el7cp.x86_64.rpm
librados2-devel-0.94.9-8.el7cp.x86_64.rpm
librbd1-0.94.9-8.el7cp.x86_64.rpm
librbd1-devel-0.94.9-8.el7cp.x86_64.rpm
python-rados-0.94.9-8.el7cp.x86_64.rpm
python-rbd-0.94.9-8.el7cp.x86_64.rpm

Red Hat Ceph Storage Tools 1.3:

Source:
ceph-0.94.9-8.el7cp.src.rpm

x86_64:
ceph-common-0.94.9-8.el7cp.x86_64.rpm
ceph-debuginfo-0.94.9-8.el7cp.x86_64.rpm
ceph-radosgw-0.94.9-8.el7cp.x86_64.rpm
ceph-selinux-0.94.9-8.el7cp.x86_64.rpm
librados2-0.94.9-8.el7cp.x86_64.rpm
librados2-devel-0.94.9-8.el7cp.x86_64.rpm
librbd1-0.94.9-8.el7cp.x86_64.rpm
librbd1-devel-0.94.9-8.el7cp.x86_64.rpm
python-rados-0.94.9-8.el7cp.x86_64.rpm
python-rbd-0.94.9-8.el7cp.x86_64.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/

7. References:

https://access.redhat.com/security/cve/CVE-2016-8626
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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