Home / mailings

PDF

[USN-2061-1] OpenStack Keystone vulnerability

Posted on 20 December 2013
Ubuntu Security

==========================
==========================
========================
Ubuntu Security Notice USN-2061-1
December 19, 2013

keystone vulnerability
==========================
==========================
========================

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

- Ubuntu 13.10

Summary:

Keystone access controls could be circumvented via EC2-style tokens.

Software Description:
- keystone: OpenStack identity service

Details:

Steven Hardy discovered that Keystone did not properly enforce trusts whe=
n
using the ec2tokens API. An authenticated attacker could exploit this to
retrieve a token not scoped to the trust and elevate privileges to the
trustor's roles.

Update instructions:

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

Ubuntu 13.10:
python-keystone 1:2013.2-0ubuntu1.2

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


References:
http://www.ubuntu.com/usn/usn-2061-1
CVE-2013-6391

Package Information:
https://launchpad.net/ubuntu/+source/keystone/1:2013.2-0ubuntu1.2

 

TOP