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author | Paul Eggleton <paul.eggleton@linux.intel.com> | 2014-06-09 16:53:47 +0100 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2014-06-10 17:05:53 +0100 |
commit | fe4e278f1794dda2e1aded56360556fe933614ca (patch) | |
tree | 5db3ed9a4f63c9fa3e70df91256c793ee22aa771 | |
parent | f19dbbc864b12b0f87248d3199296b41a0dcd5b0 (diff) | |
download | openembedded-core-fe4e278f1794dda2e1aded56360556fe933614ca.tar.gz openembedded-core-fe4e278f1794dda2e1aded56360556fe933614ca.tar.bz2 openembedded-core-fe4e278f1794dda2e1aded56360556fe933614ca.zip |
openssl: fix CVE-2014-3470
http://www.openssl.org/news/secadv_20140605.txt
Anonymous ECDH denial of service (CVE-2014-3470)
OpenSSL TLS clients enabling anonymous ECDH ciphersuites are subject to a
denial of service attack.
(Patch borrowed from Fedora.)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r-- | meta/recipes-connectivity/openssl/openssl-1.0.1e/openssl-1.0.1e-cve-2014-3470.patch | 31 | ||||
-rw-r--r-- | meta/recipes-connectivity/openssl/openssl_1.0.1e.bb | 1 |
2 files changed, 32 insertions, 0 deletions
diff --git a/meta/recipes-connectivity/openssl/openssl-1.0.1e/openssl-1.0.1e-cve-2014-3470.patch b/meta/recipes-connectivity/openssl/openssl-1.0.1e/openssl-1.0.1e-cve-2014-3470.patch new file mode 100644 index 0000000000..025727f587 --- /dev/null +++ b/meta/recipes-connectivity/openssl/openssl-1.0.1e/openssl-1.0.1e-cve-2014-3470.patch @@ -0,0 +1,31 @@ +commit 4ad43d511f6cf064c66eb4bfd0fb0919b5dd8a86 +Author: Dr. Stephen Henson <steve@openssl.org> +Date: Thu May 29 15:00:05 2014 +0100 + + Fix CVE-2014-3470 + + Check session_cert is not NULL before dereferencing it. + +Patch borrowed from Fedora +Upstream-Status: Backport +Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> + + +diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c +index d35376d..4324f8d 100644 +--- a/ssl/s3_clnt.c ++++ b/ssl/s3_clnt.c +@@ -2511,6 +2511,13 @@ int ssl3_send_client_key_exchange(SSL *s) + int ecdh_clnt_cert = 0; + int field_size = 0; + ++ if (s->session->sess_cert == NULL) ++ { ++ ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE); ++ SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE); ++ goto err; ++ } ++ + /* Did we send out the client's + * ECDH share for use in premaster + * computation as part of client certificate? diff --git a/meta/recipes-connectivity/openssl/openssl_1.0.1e.bb b/meta/recipes-connectivity/openssl/openssl_1.0.1e.bb index fae0b93f37..65083fb8bf 100644 --- a/meta/recipes-connectivity/openssl/openssl_1.0.1e.bb +++ b/meta/recipes-connectivity/openssl/openssl_1.0.1e.bb @@ -42,6 +42,7 @@ SRC_URI += "file://configure-targets.patch \ file://openssl-1.0.1e-cve-2014-0198.patch \ file://openssl-1.0.1e-cve-2014-0221.patch \ file://openssl-1.0.1e-cve-2014-0224.patch \ + file://openssl-1.0.1e-cve-2014-3470.patch \ " SRC_URI[md5sum] = "66bf6f10f060d561929de96f9dfe5b8c" |