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-rw-r--r--meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch50
1 files changed, 0 insertions, 50 deletions
diff --git a/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch b/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch
deleted file mode 100644
index 736323f0ce..0000000000
--- a/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch
+++ /dev/null
@@ -1,50 +0,0 @@
1CVE: CVE-2018-0735
2
3Upstream-Status: Backport
4
5Signed-off-by: Kai Kang <kai.kang@windriver.com>
6
7From b1d6d55ece1c26fa2829e2b819b038d7b6d692b4 Mon Sep 17 00:00:00 2001
8From: Pauli <paul.dale@oracle.com>
9Date: Fri, 26 Oct 2018 10:54:58 +1000
10Subject: [PATCH] Timing vulnerability in ECDSA signature generation
11 (CVE-2018-0735)
12
13Preallocate an extra limb for some of the big numbers to avoid a reallocation
14that can potentially provide a side channel.
15
16Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
17(Merged from https://github.com/openssl/openssl/pull/7486)
18
19(cherry picked from commit 99540ec79491f59ed8b46b4edf130e17dc907f52)
20---
21 crypto/ec/ec_mult.c | 6 +++---
22 1 file changed, 3 insertions(+), 3 deletions(-)
23
24diff --git a/crypto/ec/ec_mult.c b/crypto/ec/ec_mult.c
25index 7e1b3650e7..0e0a5e1394 100644
26--- a/crypto/ec/ec_mult.c
27+++ b/crypto/ec/ec_mult.c
28@@ -206,8 +206,8 @@ int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r,
29 */
30 cardinality_bits = BN_num_bits(cardinality);
31 group_top = bn_get_top(cardinality);
32- if ((bn_wexpand(k, group_top + 1) == NULL)
33- || (bn_wexpand(lambda, group_top + 1) == NULL)) {
34+ if ((bn_wexpand(k, group_top + 2) == NULL)
35+ || (bn_wexpand(lambda, group_top + 2) == NULL)) {
36 ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB);
37 goto err;
38 }
39@@ -244,7 +244,7 @@ int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r,
40 * k := scalar + 2*cardinality
41 */
42 kbit = BN_is_bit_set(lambda, cardinality_bits);
43- BN_consttime_swap(kbit, k, lambda, group_top + 1);
44+ BN_consttime_swap(kbit, k, lambda, group_top + 2);
45
46 group_top = bn_get_top(group->field);
47 if ((bn_wexpand(s->X, group_top) == NULL)
48--
492.17.0
50