15 January 2020
A security issue affects these releases of Ubuntu and its derivatives:
nginx could be made to expose sensitive information over the
- nginx – small, powerful, scalable web/proxy server
USN-4235-1 fixed a vulnerability in nginx. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory 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.
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 14.04 ESM
- nginx-common – 1.4.6-1ubuntu3.9+esm1
- nginx-core – 1.4.6-1ubuntu3.9+esm1
- nginx-extras – 1.4.6-1ubuntu3.9+esm1
- nginx-full – 1.4.6-1ubuntu3.9+esm1
- nginx-light – 1.4.6-1ubuntu3.9+esm1
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.