[USN-3858-1] HAProxy vulnerabilities

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Ubuntu Security Notice USN-3858-1
January 15, 2019

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

– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in HAProxy.

Software Description:
– 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)

Update instructions:

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

Ubuntu 18.10:
=C2=A0 haproxy=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A01.8.13-2ubuntu0.1

Ubuntu 18.04 LTS:
=C2=A0 haproxy=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A01.8.8-1ubuntu0.3

Ubuntu 16.04 LTS:
=C2=A0 haproxy=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A01.6.3-1ubuntu0.2

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

References:
=C2=A0 https://usn.ubuntu.com/usn/usn-3858-1
=C2=A0 CVE-2018-20102, CVE-2018-20103, CVE-2018-20615

Package Information:
=C2=A0 https://launchpad.net/ubuntu/+source/haproxy/1.8.13-2ubuntu0.1
=C2=A0 https://launchpad.net/ubuntu/+source/haproxy/1.8.8-1ubuntu0.3
=C2=A0 https://launchpad.net/ubuntu/+source/haproxy/1.6.3-1ubuntu0.2
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