librelp could be made to crash or run programs if it received specially crafted network traffic.
Bas van Schaik and Kevin Backhouse discovered that librelp incorrectly handled checking certain x509 certificates. A remote attacker able to connect to rsyslog could possibly use this issue to execute arbitrary code.
28 March 2018
A security issue affects these releases of Ubuntu and its derivatives:
librelp could be made to crash or run programs if it received specially crafted network traffic.
Bas van Schaik and Kevin Backhouse discovered that librelp incorrectly handled checking certain x509 certificates. A remote attacker able to connect to rsyslog could possibly use this issue to execute arbitrary code.
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 restart rsyslog to make all the necessary changes.
Vulmon