USN-4000-1: Corosync vulnerability
corosync vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Corosync could be made to crash or execute arbitrary code if it received a
specially crafted request.
Software Description
- corosync – cluster engine daemon and utilities
Details
It was discovered that Corosync incorrectly handled certain requests.
An attacker could possibly use this issue to cause a denial of service
or execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.04 LTS
- corosync – 2.4.3-0ubuntu1.1
- libtotem-pg5 – 2.4.3-0ubuntu1.1
- Ubuntu 16.04 LTS
- corosync – 2.3.5-3ubuntu2.3
- libtotem-pg5 – 2.3.5-3ubuntu2.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Corosync to make
all the necessary changes.
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