1. Ubuntu Security Notices
  2. USN-2061-1

USN-2061-1: OpenStack Keystone vulnerability

Publication date

19 December 2013

Overview

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

Releases

Packages

Details

Steven Hardy discovered that Keystone did not properly enforce trusts when
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.

Steven Hardy discovered that Keystone did not properly enforce trusts when
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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
13.10 saucy python-keystone –  1:2013.2-0ubuntu1.2

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References

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