USN-2991-1: nginx vulnerability

Releases

• Ubuntu 16.04 ESM
• Ubuntu 15.10
• Ubuntu 14.04 ESM

Packages

• nginx - small, powerful, scalable web/proxy server

Details

It was discovered that nginx incorrectly handled saving client request
bodies to temporary files. A remote attacker could possibly use this issue
to cause nginx to crash, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

• nginx-core - 1.10.0-0ubuntu0.16.04.2
• nginx-extras - 1.10.0-0ubuntu0.16.04.2
• nginx-full - 1.10.0-0ubuntu0.16.04.2
• nginx-light - 1.10.0-0ubuntu0.16.04.2

Ubuntu 15.10

• nginx-core - 1.9.3-1ubuntu1.2
• nginx-extras - 1.9.3-1ubuntu1.2
• nginx-full - 1.9.3-1ubuntu1.2
• nginx-light - 1.9.3-1ubuntu1.2

Ubuntu 14.04

• nginx-core - 1.4.6-1ubuntu3.5
• nginx-extras - 1.4.6-1ubuntu3.5
• nginx-full - 1.4.6-1ubuntu3.5
• nginx-light - 1.4.6-1ubuntu3.5

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

References

• CVE-2016-4450