USN-2625-1: Apache HTTP Server update

2 June 2015

Several security improvements have been made to the Apache HTTP Server.

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Packages

Details

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.

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Update instructions

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

Ubuntu 12.04

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.

References

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