Ubuntu Security Update USN-4321-1: HAProxy vulnerability

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haproxy vulnerability


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

  • Ubuntu 19.10
  • Ubuntu 18.04 LTS
Summary


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

Software Description

  • 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.

Update instructions


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

Ubuntu 19.10
haproxy - 2.0.5-1ubuntu0.4
Ubuntu 18.04 LTS
haproxy - 1.8.8-1ubuntu0.10

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


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