USN-2625-1: Apache HTTP Server update
2 June 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Several security improvements have been made to the Apache HTTP Server.
- apache2 - Apache HTTP server
As a security improvement, this update makes the following changes to the Apache package in Ubuntu 12.04 LTS:
Added support for ECC keys and ECDH ciphers.
The SSLProtocol configuration directive now allows specifying the TLSv1.1 and TLSv1.2 protocols.
Ephemeral key handling has been improved, including allowing DH parameters to be loaded from the SSL certificate file specified in SSLCertificateFile.
The export cipher suites are now disabled by default.
The problem can be corrected by updating your system to the following package versions:
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.
This update may cause DH parameters to change which could impact certain Java clients. See http://httpd.apache.org/docs/2.2/ssl/ssl_faq.html#javadh for more information.