[RHSA-2016:1385-03] Moderate: ceph security update

[bugzilla at redhat.com]

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                   Red Hat Security Advisory

Synopsis:          Moderate: ceph security update
Advisory ID:       RHSA-2016:1385-01
Product:           Red Hat Ceph Storage
Advisory URL:      https://access.redhat.com/errata/RHSA-2016:1385
Issue date:        2016-07-05
CVE Names:         CVE-2016-5009 
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1. Summary:

An updated ceph package that fixes one security issue is now available for
Red Hat Ceph Storage 1.3 for Ubuntu 14.04.

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. Description:

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

A flaw was found in the way handle_command() function would validate prefix
value from user. An authenticated attacker could send a specially crafted
prefix value resulting in ceph monitor crash.(CVE-2016-5009)

Upstream acknowledges Xiaoxi Chen as the original reporter of
CVE-2016-5009.

All ceph users are advised to upgrade to this updated package, which
contains backported patches to correct this issue.

3. Solution:

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

For details on how to apply this update, refer to:

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

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

1351453 - CVE-2016-5009 Ceph monitor crash: mon_command crashes ceph monitors on receiving empty prefix

5. References:

https://access.redhat.com/security/cve/CVE-2016-5009
https://access.redhat.com/security/updates/classification/#moderate

6. Contact:

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

Copyright 2016 Red Hat, Inc.
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