diff options
| author | Dr. Stephen Henson <steve@openssl.org> | 2014-10-23 17:09:57 +0100 |
|---|---|---|
| committer | Dr. Stephen Henson <steve@openssl.org> | 2015-01-06 13:14:05 +0000 |
| commit | 37580f43b5a39f5f4e920d17273fab9713d3a744 (patch) | |
| tree | 3fe0ba2545a37f4636eadd5c135258b0190b24a4 /CHANGES | |
| parent | ef28c6d6767a6a30df5add36171894c96628fe98 (diff) | |
Only allow ephemeral RSA keys in export ciphersuites.
OpenSSL clients would tolerate temporary RSA keys in non-export
ciphersuites. It also had an option SSL_OP_EPHEMERAL_RSA which
enabled this server side. Remove both options as they are a
protocol violation.
Thanks to Karthikeyan Bhargavan for reporting this issue.
(CVE-2015-0204)
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 4b4c1fcc88aec8c9e001b0a0077d3cd4de1ed0e6)
Conflicts:
doc/ssl/SSL_CTX_set_options.pod
Diffstat (limited to 'CHANGES')
| -rw-r--r-- | CHANGES | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -11,6 +11,14 @@ (CVE-2014-3572) [Steve Henson] + *) Remove non-export ephemeral RSA code on client and server. This code + violated the TLS standard by allowing the use of temporary RSA keys in + non-export ciphersuites and could be used by a server to effectively + downgrade the RSA key length used to a value smaller than the server + certificate. Thanks for Karthikeyan Bhargavan for reporting this issue. + (CVE-2015-0204) + [Steve Henson] + *) Ensure that the session ID context of an SSL is updated when its SSL_CTX is updated via SSL_set_SSL_CTX. |