USN-4235-1: nginx vulnerability

Releases

• Ubuntu 19.10
• Ubuntu 19.04
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• 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

• 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

• 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

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

References

• CVE-2019-20372

Related notices

• USN-4235-2: nginx-full, nginx-core, nginx, nginx-extras, nginx-naxsi-ui, nginx-common, nginx-doc, nginx-light, nginx-naxsi