gnutls: patch for CVE-2014-3466 backported

Backported patch for CVE-2014-3466.
This patch is for dylan.

(From OE-Core rev: 7ff1924674871d604f9656f3928b91dc417c7246)

Signed-off-by: Valentin Popa <valentin.popa@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 31 insertions, 0 deletions

diff --git a/meta/recipes-support/gnutls/gnutls/CVE-2014-3466.patch b/meta/recipes-support/gnutls/gnutls/CVE-2014-3466.patch
new file mode 100644
index 0000000000..dd118f599a
--- /dev/null
+++ b/meta/recipes-support/gnutls/gnutls/CVE-2014-3466.patch
@@ -0,0 +1,30 @@
+From fcf3745f1d03c4a97e87ef4341269c645fdda787 Mon Sep 17 00:00:00 2001
+From: Valentin Popa <valentin.popa@intel.com>
+Date: Thu, 5 Jun 2014 11:50:11 +0300
+Subject: [PATCH] CVE-2014-3466
+
+Prevent memory corruption due to server hello parsing.
+
+Upstream-Status: Backport
+
+Signed-off-by: Valentin Popa <valentin.popa@intel.com>
+---
+ lib/gnutls_handshake.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/gnutls_handshake.c b/lib/gnutls_handshake.c
+index e4a63e4..e652528 100644
+--- a/lib/gnutls_handshake.c
++++ b/lib/gnutls_handshake.c
+@@ -1797,7 +1797,7 @@ _gnutls_read_server_hello (gnutls_session_t session,
+   DECR_LEN (len, 1);
+   session_id_len = data[pos++];
+ 
+-  if (len < session_id_len)
++  if (len < session_id_len || session_id_len > TLS_MAX_SESSION_ID_SIZE)
+     {
+       gnutls_assert ();
+       return GNUTLS_E_UNSUPPORTED_VERSION_PACKET;
+-- 
+1.9.1
+
diff --git a/meta/recipes-support/gnutls/gnutls_2.12.23.bb b/meta/recipes-support/gnutls/gnutls_2.12.23.bb
index 22182426ee..efe9e04ee1 100644
--- a/meta/recipes-support/gnutls/gnutls_2.12.23.bb
+++ b/meta/recipes-support/gnutls/gnutls_2.12.23.bb
@@ -8,6 +8,7 @@ SRC_URI += "file://gnutls-openssl.patch \
             file://avoid_AM_PROG_MKDIR_P_warning_error_with_automake_1.12.patch \
             file://CVE-2014-1959-rejection-of-v1-intermediate-cert.patch \
             file://CVE-2014-0092-corrected-return-codes.patch \
+            file://CVE-2014-3466.patch \
             file://25_updatedgdocfrommaster.diff \
             ${@['', 'file://fix-gettext-version.patch'][bb.data.inherits_class('native', d) or (not ((d.getVar("INCOMPATIBLE_LICENSE", True) or "").find("GPLv3") != -1))]} \
            "