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Ubuntu 12.04 LTS USN-1564-1 Critical: OpenStack Keystone Access Control

ubuntu
Calendar Grey September 13, 2012
Scroller Ubuntu
OpenStack Keystone exposes security flaws allowing unvalidated user permissions. Ensure Ubuntu 12.04 LTS is patched promptly.
OpenStack Keystone did not properly handle user role changes

Summary

OpenStack Keystone did not properly handle user role changes

Software Description:

- keystone: OpenStack identity service

Details:

Dolph Mathews discovered that when roles are granted and revoked to

users in Keystone, pre-existing tokens were not updated or invalidated

to take the new roles into account. An attacker could use this to

continue to access resources that have been revoked.

Topics%20covered

Topics Covered

security advisory access control ubuntu openstack keystone

Update Instructions

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

Ubuntu 12.04 LTS:
  keystone                        2012.1+stable~20120824-a16a0ab9-0ubuntu2.2
  python-keystone                 2012.1+stable~20120824-a16a0ab9-0ubuntu2.2

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

References

https://ubuntu.com/security/notices/USN-1564-1

CVE-2012-4413

Severity
critical
Lowest
Low
Medium
High
Critical

September 13, 2012

Topics%20covered

Topics Covered

security advisory access control ubuntu openstack keystone

Package Information

https://launchpad.net/ubuntu/+source/keystone/2012.1+stable~20120824-a16a0ab9-0ubuntu2.2

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