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Ubuntu Security Notice USN-2321-1
August 21, 2014

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

- Ubuntu 14.04 LTS

Summary:

OpenStack Neutron could be made to expose sensitive information or crash.

Software Description:
- neutron: OpenStack Virtual Network Service

Details:

Liping Mao discovered that OpenStack Neutron did not properly handle
requests for a large number of allowed address pairs. A remote
authenticated attacker could exploit this to cause a denial of service.
(CVE-2014-3555)

Zhi Kun Liu discovered that OpenStack Neutron incorrectly filtered certain
tokens. An attacker could possibly use this issue to obtain authentication
tokens used in REST requests. (CVE-2014-4615)

Update instructions:

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

Ubuntu 14.04 LTS:
  neutron-common                  1:2014.1.2-0ubuntu1.1

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

References:
  http://www.ubuntu.com/usn/usn-2321-1
  CVE-2014-3555, CVE-2014-4615

Package Information:
  https://launchpad.net/ubuntu/+source/neutron/1:2014.1.2-0ubuntu1.1