USN-3114-2: nginx regression

Ubuntu Security Notice USN-3114-2

27th October, 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 version:

Ubuntu 16.10:
nginx-extras 1.10.1-0ubuntu1.2
nginx-full 1.10.1-0ubuntu1.2
nginx-common 1.10.1-0ubuntu1.2
nginx-light 1.10.1-0ubuntu1.2
nginx-core 1.10.1-0ubuntu1.2
Ubuntu 16.04 LTS:
nginx-extras 1.10.0-0ubuntu0.16.04.4
nginx-full 1.10.0-0ubuntu0.16.04.4
nginx-common 1.10.0-0ubuntu0.16.04.4
nginx-light 1.10.0-0ubuntu0.16.04.4
nginx-core 1.10.0-0ubuntu0.16.04.4
Ubuntu 14.04 LTS:
nginx-extras 1.4.6-1ubuntu3.7
nginx-full 1.4.6-1ubuntu3.7
nginx-common 1.4.6-1ubuntu3.7
nginx-light 1.4.6-1ubuntu3.7
nginx-core 1.4.6-1ubuntu3.7

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

LP: 1637058

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