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Ubuntu Security Notice USN-3452-1
October 11, 2017

ceph vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Ceph.

Software Description:
- ceph: distributed storage and file system

Details:

It was discovered that Ceph incorrectly handled the handle_command
function. A remote authenticated user could use this issue to cause Ceph to
crash, resulting in a denial of service. (CVE-2016-5009)

Rahul Aggarwal discovered that Ceph incorrectly handled the
authenticated-read ACL. A remote attacker could possibly use this issue to
list bucket contents via a URL. (CVE-2016-7031)

Diluga Salome discovered that Ceph incorrectly handled certain POST objects
with null conditions. A remote attacker could possibly use this issue to
cuase Ceph to crash, resulting in a denial of service. (CVE-2016-8626)

Yang Liu discovered that Ceph incorrectly handled invalid HTTP Origin
headers. A remote attacker could possibly use this issue to cuase Ceph to
crash, resulting in a denial of service. (CVE-2016-9579)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
  ceph                            0.80.11-0ubuntu1.14.04.3
  ceph-common                     0.80.11-0ubuntu1.14.04.3

In general, a standard system update will make all the necessary changes.

References:
  https://www.ubuntu.com/usn/usn-3452-1
  CVE-2016-5009, CVE-2016-7031, CVE-2016-8626, CVE-2016-9579

Package Information:
  https://launchpad.net/ubuntu/+source/ceph/0.80.11-0ubuntu1.14.04.3