USN-3452-1: Ceph vulnerabilities

Ubuntu Security Notice USN-3452-1

11th October, 2017

ceph vulnerabilities

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 version:

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2016-5009, CVE-2016-7031, CVE-2016-8626, CVE-2016-9579