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Ubuntu Security Notice USN-4104-1
August 19, 2019

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

- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Nova could be made to expose sensitive information.

Software Description:
- nova: OpenStack Compute cloud infrastructure

Details:

Donny Davis discovered that the Nova Compute service could return
configuration or other information in response to a failed API
request in some situations. A remote attacker could use this to expose
sensitive information.

Update instructions:

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

Ubuntu 19.04:
  nova-compute                    2:19.0.1-0ubuntu2.1
  python3-nova                    2:19.0.1-0ubuntu2.1

Ubuntu 18.04 LTS:
  nova-compute                    2:17.0.10-0ubuntu2.1
  python-nova                     2:17.0.10-0ubuntu2.1

Ubuntu 16.04 LTS:
  nova-compute                    2:13.1.4-0ubuntu4.5
  python-nova                     2:13.1.4-0ubuntu4.5

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

References:
  https://usn.ubuntu.com/4104-1
  CVE-2019-14433

Package Information:
  https://launchpad.net/ubuntu/+source/nova/2:19.0.1-0ubuntu2.1
  https://launchpad.net/ubuntu/+source/nova/2:17.0.10-0ubuntu2.1
  https://launchpad.net/ubuntu/+source/nova/2:13.1.4-0ubuntu4.5