openssl: fix CVE-2018-0734 for both 1.0.2p and 1.1.1

Backport patches to fix CVE-2018-0734 for both openssl 1.0.2p and 1.1.1
versions.

(From OE-Core rev: 9d5c6a87eb72a8b8b8d417126a831565982ca9a6)

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-connectivity/openssl/openssl10/0001-fix-CVE-2018-0734.patch b/meta/recipes-connectivity/openssl/openssl10/0001-fix-CVE-2018-0734.patch
new file mode 100644
index 0000000000..b9865a69b5
--- /dev/null
+++ b/meta/recipes-connectivity/openssl/openssl10/0001-fix-CVE-2018-0734.patch
@@ -0,0 +1,33 @@
+CVE: CVE-2018-0734
+
+Upstream-Status: Backport
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+
+From 43e6a58d4991a451daf4891ff05a48735df871ac Mon Sep 17 00:00:00 2001
+From: Pauli <paul.dale@oracle.com>
+Date: Mon, 29 Oct 2018 08:24:22 +1000
+Subject: [PATCH] Merge DSA reallocation timing fix CVE-2018-0734.
+
+Reviewed-by: Richard Levitte <levitte@openssl.org>
+(Merged from https://github.com/openssl/openssl/pull/7513)
+---
+ crypto/dsa/dsa_ossl.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/crypto/dsa/dsa_ossl.c b/crypto/dsa/dsa_ossl.c
+index 2dcfedeeee..100e269268 100644
+--- a/crypto/dsa/dsa_ossl.c
++++ b/crypto/dsa/dsa_ossl.c
+@@ -279,7 +279,7 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
+         goto err;
+ 
+     /* Preallocate space */
+-    q_bits = BN_num_bits(dsa->q);
++    q_bits = BN_num_bits(dsa->q) + sizeof(dsa->q->d[0]) * 16;
+     if (!BN_set_bit(&k, q_bits)
+         || !BN_set_bit(&l, q_bits)
+         || !BN_set_bit(&m, q_bits))
+-- 
+2.17.0
+