[Bug 1197884] Re: apache2.2 SSL has no forward-secrecy: need ECDHE keys
Launchpad Bug Tracker
1197884 at bugs.launchpad.net
Tue Jun 2 12:30:48 UTC 2015
This bug was fixed in the package apache2 - 2.2.22-1ubuntu1.9
---------------
apache2 (2.2.22-1ubuntu1.9) precise-security; urgency=medium
* SECURITY IMPROVEMENT: add support for ECC keys and ECDH ciphers
(LP: #1197884)
- debian/patches/ecc_support.patch: add support to
modules/ssl/mod_ssl.c, modules/ssl/ssl_engine_init.c,
modules/ssl/ssl_engine_kernel.c, modules/ssl/ssl_private.h,
modules/ssl/ssl_toolkit_compat.h, modules/ssl/ssl_util.c,
* SECURITY IMPROVEMENT: add TLSv1.x options to SSLProtocol (LP: #1400473)
- debian/patches/tls_options.patch: allow specifying later TLSv1.x
options in modules/ssl/mod_ssl.c, modules/ssl/ssl_engine_config.c,
modules/ssl/ssl_engine_init.c, modules/ssl/ssl_engine_kernel.c,
modules/ssl/ssl_private.h.
* SECURITY IMPROVEMENT: improve ephemeral key handling, including
allowing DH parameters to be loaded from SSLCertificateFile and
disabling EXPORT ciphers.
- debian/patches/ephemeral_key_handling.patch: numerous improvements to
modules/ssl/mod_ssl.c, modules/ssl/ssl_engine_config.c,
modules/ssl/ssl_engine_dh.c, modules/ssl/ssl_engine_init.c,
modules/ssl/ssl_engine_kernel.c, modules/ssl/ssl_private.h,
modules/ssl/ssl_util_ssl.c, modules/ssl/ssl_util_ssl.h.
-- Marc Deslauriers <marc.deslauriers at ubuntu.com> Thu, 28 May 2015
12:26:50 -0400
** Changed in: apache2 (Ubuntu Precise)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1197884
Title:
apache2.2 SSL has no forward-secrecy: need ECDHE keys
Status in apache2 package in Ubuntu:
Fix Released
Status in apache2 source package in Precise:
Fix Released
Status in apache2 package in Debian:
Fix Released
Bug description:
In the light of recent revelations about Prism/NSA/GCHQ etc, it is
more important than ever to keep SSL secure.
But... as far as I can tell, there exists no combination of SSL cIphers that satisfies all of:
* Resistant to the BEAST attack
* Has Perfect Forward Secrecy
* Is in Apache 2.2
[I'm testing with: https://www.ssllabs.com/ssltest/analyze.html ]
The only solution seems to be to deploy Apache 2.4 (or backport the
ECDHE ciphers into the 2.2 package).
Can I suggest therefore that the lack of Apache 2.4 packages
represents a serious security vulnerability to people visiting
websites hosted on Ubuntu.
This affects every currently released Ubuntu distro (including
raring). There is still no pacakge of apache 2.4, nor is there a
backport of the ECDHE feature. There are some PPAs of 2.4, but these
aren't maintained with security updates, nor do they support mod_php.
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