Ubuntu alert USN-4235-1 (nginx)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> 
Subject:
             
 
[USN-4235-1] nginx vulnerability 
Date:
             
 
Mon, 13 Jan 2020 12:04:15 -0500
Message-ID:
             
 
<e4147331-12b7-de96-5420-5e02b8970e7b@canonical.com>
==========================================================================
Ubuntu Security Notice USN-4235-1
January 13, 2020

nginx vulnerability
==========================================================================

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

- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

nginx could be made to expose sensitive information over the network.

Software Description:
- nginx: small, powerful, scalable web/proxy server

Details:

Bert JW Regeer and Francisco Oca Gonzalez discovered that nginx incorrectly
handled certain error_page configurations. A remote attacker could possibly
use this issue to perform HTTP request smuggling attacks and access
resources contrary to expectations.

Update instructions:

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

Ubuntu 19.10:
  nginx-common                    1.16.1-0ubuntu2.1
  nginx-core                      1.16.1-0ubuntu2.1
  nginx-extras                    1.16.1-0ubuntu2.1
  nginx-full                      1.16.1-0ubuntu2.1
  nginx-light                     1.16.1-0ubuntu2.1

Ubuntu 19.04:
  nginx-common                    1.15.9-0ubuntu1.2
  nginx-core                      1.15.9-0ubuntu1.2
  nginx-extras                    1.15.9-0ubuntu1.2
  nginx-full                      1.15.9-0ubuntu1.2
  nginx-light                     1.15.9-0ubuntu1.2

Ubuntu 18.04 LTS:
  nginx-common                    1.14.0-0ubuntu1.7
  nginx-core                      1.14.0-0ubuntu1.7
  nginx-extras                    1.14.0-0ubuntu1.7
  nginx-full                      1.14.0-0ubuntu1.7
  nginx-light                     1.14.0-0ubuntu1.7

Ubuntu 16.04 LTS:
  nginx-common                    1.10.3-0ubuntu0.16.04.5
  nginx-core                      1.10.3-0ubuntu0.16.04.5
  nginx-extras                    1.10.3-0ubuntu0.16.04.5
  nginx-full                      1.10.3-0ubuntu0.16.04.5
  nginx-light                     1.10.3-0ubuntu0.16.04.5

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

References:
  https://usn.ubuntu.com/4235-1
  CVE-2019-20372

Package Information:
  https://launchpad.net/ubuntu/+source/nginx/1.16.1-0ubuntu2.1
  https://launchpad.net/ubuntu/+source/nginx/1.15.9-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/nginx/1.14.0-0ubuntu1.7
  https://launchpad.net/ubuntu/+source/nginx/1.10.3-0ubuntu...

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