1. Ubuntu Security Notices
  2. USN-3995-1

USN-3995-1: Keepalived vulnerability

Publication date

28 May 2019

Overview

Keepalived could be made to crash or run programs if it received specially crafted network traffic.

Releases

Packages

  • 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.

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

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.10 cosmic keepalived –  1:1.3.9-1ubuntu1.1
18.04 bionic keepalived –  1:1.3.9-1ubuntu0.18.04.2
16.04 xenial keepalived –  1:1.2.24-1ubuntu0.16.04.2

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References

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