USN-4321-1: HAProxy vulnerability

Publication date

7 April 2020

Overview

HAProxy could be made to execute arbitrary code if it received a specially crafted HTTP/2 request.


Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests.
An attacker could possibly use this to execute arbitrary code.

Felix Wilhelm discovered that HAProxy incorrectly handled certain HTTP/2 requests.
An attacker could possibly use this to 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
19.10 eoan haproxy –  2.0.5-1ubuntu0.4
18.04 bionic haproxy –  1.8.8-1ubuntu0.10

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