USN-3858-1: HAProxy vulnerabilities

Publication date

15 January 2019

Overview

Several security issues were fixed in HAProxy.


Packages

  • haproxy - fast and reliable load balancing reverse proxy

Details

It was discovered that HAProxy incorrectly handled certain requests.
An attacker could possibly use this to expose sensitive information.
(CVE-2018-20102)

It was discovered that HAProxy incorrectly handled certain requests.
A attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10.
(CVE-2018-20103, CVE-2018-20615)

It was discovered that HAProxy incorrectly handled certain requests.
An attacker could possibly use this to expose sensitive information.
(CVE-2018-20102)

It was discovered that HAProxy incorrectly handled certain requests.
A attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10.
(CVE-2018-20103, CVE-2018-20615)

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 haproxy –  1.8.13-2ubuntu0.1
18.04 bionic haproxy –  1.8.8-1ubuntu0.3
16.04 xenial haproxy –  1.6.3-1ubuntu0.2

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