USN-3995-2: Keepalived vulnerability

keepalived vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 14.04 ESM
• Ubuntu 12.04 ESM

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

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.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 ESM

keepalived - 1:1.2.7-1ubuntu1+esm1

Ubuntu 12.04 ESM

keepalived - 1:1.2.2-3ubuntu1.2

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

• USN-3995-1
• CVE-2018-19115

from Ubuntu Security Notices http://bit.ly/2wpiL6u