USN-3995-1: Keepalived vulnerability
keepalived vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Keepalived could be made to crash or run programs if it received
specially crafted network traffic.
Software Description
- keepalived – Failover and monitoring daemon for LVS clusters
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.10
- keepalived – 1:1.3.9-1ubuntu1.1
- Ubuntu 18.04 LTS
- keepalived – 1:1.3.9-1ubuntu0.18.04.2
- Ubuntu 16.04 LTS
- keepalived – 1:1.2.24-1ubuntu0.16.04.2
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.
References
Source: USN-3995-1: Keepalived vulnerability
