=========================================================================Ubuntu Security Notice USN-3316-1
June 07, 2017

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

- Ubuntu 17.04

Summary:

FreeRADIUS would allow unintended access over the network.

Software Description:
- freeradius: high-performance and highly configurable RADIUS server

Details:

Stefan Winter and Luboš Pavlíček discovered that FreeRADIUS incorrectly
handled the TLS session cache. A remote attacker could possibly use this
issue to bypass authentication by resuming an unauthenticated session.

Update instructions:

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

Ubuntu 17.04:
  freeradius                      3.0.12+dfsg-4ubuntu1.1

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

References:
  https://ubuntu.com/security/notices/USN-3316-1
  CVE-2017-9148

Package Information:
  https://launchpad.net/ubuntu/+source/freeradius/3.0.12+dfsg-4ubuntu1.1