USN-2005-1: Cinder vulnerabilities

23 October 2013

cinder vulnerabilities

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

  • Ubuntu 13.04

Summary

Cinder could be made to crash or expose sensitive information.

Software Description

  • cinder - OpenStack storage service

Details

Rongze Zhu discovered that the Cinder LVM driver did not zero out data when deleting snapshots. This could expose sensitive information to authenticated users when subsequent servers use the volume. (CVE-2013-4183)

Grant Murphy discovered that Cinder would allow XML entity processing. A remote unauthenticated attacker could exploit this using the Cinder API to cause a denial of service via resource exhaustion. (CVE-2013-4179, CVE-2013-4202)

Update instructions

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

Ubuntu 13.04
python-cinder - 1:2013.1.3-0ubuntu2.1

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