USN-3316-1: FreeRADIUS vulnerability

Ubuntu Security Notice USN-3316-1

7th June, 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 version:

Ubuntu 17.04:
freeradius

3.0.12+dfsg-4ubuntu1.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2017-9148

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