Several security issues were fixed in libtirpc.
USN-3759-1 fixed a vulnerability in libtirpc. This update provides the corresponding update for Ubuntu 12.04 ESM.
5 September 2018
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in libtirpc.
USN-3759-1 fixed a vulnerability in libtirpc. This update provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
Aldy Hernandez discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2016-4429)
It was discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14622)
It was discovered that libtirpc incorrectly handled certain strings. An attacker could possibly use this issue to cause a denial of service. (CVE-2017-8779)
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.
After a standard system update you need to reboot your computer to make all the necessary changes.
Vulmon