RHSA-2016:1384 - Security Advisory

Topic

An updated ceph package that fixes one security issue is now available for Red Hat Ceph Storage 1.3 for Red Hat Enterprise Linux 7.

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.

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.

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

Affected Products

• Red Hat Enterprise Linux Server 7 x86_64
• Red Hat Enterprise Linux Workstation 7 x86_64
• Red Hat Enterprise Linux Desktop 7 x86_64
• Red Hat Enterprise Linux for Scientific Computing 7 x86_64
• Red Hat Ceph Storage MON 1.3 x86_64
• Red Hat Ceph Storage OSD 1.3 x86_64

Fixes

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

CVEs

• CVE-2016-5009

References

• http://www.redhat.com/security/updates/classification/#normal