libpam-radius-auth could be made to crash if it received specially crafted network traffic.
USN-4290-1 fixed a vulnerability in libpam-radius-auth. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
3 March 2020
A security issue affects these releases of Ubuntu and its derivatives:
libpam-radius-auth could be made to crash if it received specially crafted network traffic.
USN-4290-1 fixed a vulnerability in libpam-radius-auth. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory 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.
The problem can be corrected by updating your system to the following package versions:
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.