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Ubuntu Security Notice USN-4212-1

Ubuntu Security Notice USN-4212-1
Posted Dec 4, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4212-1 - Tim D

tags | advisory, web, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-19330
SHA-256 | e716076d47c2974458d52d31fb8ab1e046f2d578e50639df189d4f36da59168d

Ubuntu Security Notice USN-4212-1

Change Mirror Download
==========================================================================
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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