A nginx security updates has been released for Ubuntu Linux 16.04 LTS, 18.04 LTS, 19.04, and 19.10
==========================================================================
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/1.10.3-0ubuntu0.16.04.5