N/A - USN-3114-2

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