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List: ubuntu-security-announce
Subject: [USN-4212-1] HAProxy vulnerability
From: "Leonidas S. Barbosa" <leo.barbosa () canonical ! com>
Date: 2019-12-04 14:37:51
Message-ID: 20191204143749.GA27250 () blu3l41n
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==========================================================================
Ubuntu Security Notice USN-4212-1
December 04, 2019
haproxy vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
Summary:
HAProxy could be made to execute arbitrary code if it received a specially crafted HTTP/2 header.
Software Description:
- haproxy: fast and reliable load balancing reverse proxy
Details:
Tim Düsterhus discovered that HAProxy incorrectly handled certain HTTP/2 headers.
An attacker could possibly use this issue to execute arbitrary code through CRLF injection.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
haproxy 2.0.5-1ubuntu0.3
Ubuntu 19.04:
haproxy 1.8.19-1ubuntu1.3
Ubuntu 18.04 LTS:
haproxy 1.8.8-1ubuntu0.9
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4212-1
CVE-2019-19330
Package Information:
https://launchpad.net/ubuntu/+source/haproxy/2.0.5-1ubuntu0.3
https://launchpad.net/ubuntu/+source/haproxy/1.8.19-1ubuntu1.3
https://launchpad.net/ubuntu/+source/haproxy/1.8.8-1ubuntu0.9
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