libpam-radius-auth vulnerability

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

* Ubuntu 19.10
* Ubuntu 18.04 LTS
* Ubuntu 16.04 LTS

Summary

libpam-radius-auth could be made to crash if it received specially
crafted network traffic.

Software Description

* libpam-radius-auth - The PAM RADIUS authentication module

Details

It was discovered that libpam-radius-auth incorrectly handled
certain long passwords. A remote attacker could possibly use this
issue to cause libpam-radius-auth to crash, resulting in a denial
of service.

Update instructions

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

Ubuntu 19.10
libpam-radius-auth - 1.3.17-0ubuntu5.19.10.1

Ubuntu 18.04 LTS
libpam-radius-auth - 1.3.17-0ubuntu5.18.04.1

Ubuntu 16.04 LTS
libpam-radius-auth - 1.3.17-0ubuntu4.1

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-2015-9542

--- Mystic BBS v1.12 A45 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)