USN-4235-1: nginx vulnerability

nginx vulnerability

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

Ubuntu 19.10
Ubuntu 19.04
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS

Summary

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

Software Description

nginx – small, powerful, scalable web/proxy server

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 19.10: nginx-common – 1.16.1-0ubuntu2.1; nginx-core – 1.16.1-0ubuntu2.1; nginx-extras – 1.16.1-0ubuntu2.1; nginx-full – 1.16.1-0ubuntu2.1; nginx-light – 1.16.1-0ubuntu2.1
Ubuntu 19.04: nginx-common – 1.15.9-0ubuntu1.2; nginx-core – 1.15.9-0ubuntu1.2; nginx-extras – 1.15.9-0ubuntu1.2; nginx-full – 1.15.9-0ubuntu1.2; nginx-light – 1.15.9-0ubuntu1.2
Ubuntu 18.04 LTS: nginx-common – 1.14.0-0ubuntu1.7; nginx-core – 1.14.0-0ubuntu1.7; nginx-extras – 1.14.0-0ubuntu1.7; nginx-full – 1.14.0-0ubuntu1.7; nginx-light – 1.14.0-0ubuntu1.7
Ubuntu 16.04 LTS: nginx-common – 1.10.3-0ubuntu0.16.04.5; nginx-core – 1.10.3-0ubuntu0.16.04.5; nginx-extras – 1.10.3-0ubuntu0.16.04.5; nginx-full – 1.10.3-0ubuntu0.16.04.5; nginx-light – 1.10.3-0ubuntu0.16.04.5

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

CVE-2019-20372

Source: USN-4235-1: nginx vulnerability

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