diff options
Diffstat (limited to 'poky/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch')
-rw-r--r-- | poky/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/poky/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch b/poky/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch deleted file mode 100644 index 736323f0c..000000000 --- a/poky/meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch +++ /dev/null @@ -1,50 +0,0 @@ -CVE: CVE-2018-0735 - -Upstream-Status: Backport - -Signed-off-by: Kai Kang <kai.kang@windriver.com> - -From b1d6d55ece1c26fa2829e2b819b038d7b6d692b4 Mon Sep 17 00:00:00 2001 -From: Pauli <paul.dale@oracle.com> -Date: Fri, 26 Oct 2018 10:54:58 +1000 -Subject: [PATCH] Timing vulnerability in ECDSA signature generation - (CVE-2018-0735) - -Preallocate an extra limb for some of the big numbers to avoid a reallocation -that can potentially provide a side channel. - -Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> -(Merged from https://github.com/openssl/openssl/pull/7486) - -(cherry picked from commit 99540ec79491f59ed8b46b4edf130e17dc907f52) ---- - crypto/ec/ec_mult.c | 6 +++--- - 1 file changed, 3 insertions(+), 3 deletions(-) - -diff --git a/crypto/ec/ec_mult.c b/crypto/ec/ec_mult.c -index 7e1b3650e7..0e0a5e1394 100644 ---- a/crypto/ec/ec_mult.c -+++ b/crypto/ec/ec_mult.c -@@ -206,8 +206,8 @@ int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r, - */ - cardinality_bits = BN_num_bits(cardinality); - group_top = bn_get_top(cardinality); -- if ((bn_wexpand(k, group_top + 1) == NULL) -- || (bn_wexpand(lambda, group_top + 1) == NULL)) { -+ if ((bn_wexpand(k, group_top + 2) == NULL) -+ || (bn_wexpand(lambda, group_top + 2) == NULL)) { - ECerr(EC_F_EC_SCALAR_MUL_LADDER, ERR_R_BN_LIB); - goto err; - } -@@ -244,7 +244,7 @@ int ec_scalar_mul_ladder(const EC_GROUP *group, EC_POINT *r, - * k := scalar + 2*cardinality - */ - kbit = BN_is_bit_set(lambda, cardinality_bits); -- BN_consttime_swap(kbit, k, lambda, group_top + 1); -+ BN_consttime_swap(kbit, k, lambda, group_top + 2); - - group_top = bn_get_top(group->field); - if ((bn_wexpand(s->X, group_top) == NULL) --- -2.17.0 - |