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Ubuntu Security Notice USN-4235-2

Ubuntu Security Notice USN-4235-2
Posted Jan 15, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4235-2 - USN-4235-1 fixed a vulnerability in nginx. This update provides the corresponding update for Ubuntu 14.04 ESM. 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. Various other issues were also addressed.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2019-20372
SHA-256 | f27f4f464dca0131a740388b68a10b2b2016cf4c60d9b6cb1e1399592aeffdcd

Ubuntu Security Notice USN-4235-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4235-2
January 15, 2020

nginx vulnerability
==========================================================================

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

- Ubuntu 14.04 ESM

Summary:

nginx could be made to expose sensitive information over the
network.

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

Details:

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.

Update instructions:

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

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

References:
https://usn.ubuntu.com/4235-2
https://usn.ubuntu.com/4235-1
CVE-2019-20372
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