[USN-3114-2] nginx regression

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-3114-2
October 27, 2016

nginx regression
==========================================================================

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

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

USN-3114-1 introduced a regression in nginx packaging.

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

Details:

USN-3114-1 fixed a vulnerability in nginx. A packaging issue prevented
nginx from being reinstalled or upgraded to a subsequent release. This
update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

 Dawid Golunski discovered that the nginx package incorrectly handled log
 file permissions. A remote attacker could possibly use this issue to obtain
 root privileges.

Update instructions:

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

Ubuntu 16.10:
  nginx-common                    1.10.1-0ubuntu1.2
  nginx-core                      1.10.1-0ubuntu1.2
  nginx-extras                    1.10.1-0ubuntu1.2
  nginx-full                      1.10.1-0ubuntu1.2
  nginx-light                     1.10.1-0ubuntu1.2

Ubuntu 16.04 LTS:
  nginx-common                    1.10.0-0ubuntu0.16.04.4
  nginx-core                      1.10.0-0ubuntu0.16.04.4
  nginx-extras                    1.10.0-0ubuntu0.16.04.4
  nginx-full                      1.10.0-0ubuntu0.16.04.4
  nginx-light                     1.10.0-0ubuntu0.16.04.4

Ubuntu 14.04 LTS:
  nginx-common                    1.4.6-1ubuntu3.7
  nginx-core                      1.4.6-1ubuntu3.7
  nginx-extras                    1.4.6-1ubuntu3.7
  nginx-full                      1.4.6-1ubuntu3.7
  nginx-light                     1.4.6-1ubuntu3.7

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

References:
  http://www.ubuntu.com/usn/usn-3114-2
  http://www.ubuntu.com/usn/usn-3114-1
  https://launchpad.net/bugs/1637058

Package Information:
  https://launchpad.net/ubuntu/+source/nginx/1.10.1-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/nginx/1.10.0-0ubuntu0.16.04.4
  https://launchpad.net/ubuntu/+source/nginx/1.4.6-1ubuntu3.7


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