Ubuntu Security Notice USN-3995-2
May 28, 2019
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.04 ESM
– Ubuntu 12.04 ESM
Keepalived could be made to crash or run programs if it received
specially crafted network traffic.
– keepalived: Failover and monitoring daemon for LVS clusters
USN-3995-1 fixed a vulnerability in keepalived. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Keepalived incorrectly handled certain HTTP
status response codes. A remote attacker could use this issue to cause
Keepalived to crash, resulting in a denial of service, or possibly
execute arbitrary code.
The problem can be corrected by updating your system to the following
Ubuntu 14.04 ESM:
Ubuntu 12.04 ESM:
In general, a standard system update will make all the necessary