Signed-off-by: Alexander Kanavin <alex.kana...@gmail.com> --- .../openssl/0002-fix-CVE-2018-0734.patch | 108 ------------------ .../openssl/0003-fix-CVE-2018-0735.patch | 50 -------- .../{openssl_1.1.1.bb => openssl_1.1.1a.bb} | 6 +- 3 files changed, 2 insertions(+), 162 deletions(-) delete mode 100644 meta/recipes-connectivity/openssl/openssl/0002-fix-CVE-2018-0734.patch delete mode 100644 meta/recipes-connectivity/openssl/openssl/0003-fix-CVE-2018-0735.patch rename meta/recipes-connectivity/openssl/{openssl_1.1.1.bb => openssl_1.1.1a.bb} (96%)
diff --git a/meta/recipes-connectivity/openssl/openssl/0002-fix-CVE-2018-0734.patch b/meta/recipes-connectivity/openssl/openssl/0002-fix-CVE-2018-0734.patch deleted file mode 100644 index 2a3e03fe2af..00000000000 --- a/meta/recipes-connectivity/openssl/openssl/0002-fix-CVE-2018-0734.patch +++ /dev/null @@ -1,108 +0,0 @@ -Backport patch to fix CVE-2018-0734. Remove a section which only remove a -space. It can't be applied because the context is different. - -CVE: CVE-2018-0734 -Upstream-Status: Backport - -Signed-off-by: Kai Kang <kai.k...@windriver.com> - -From 8abfe72e8c1de1b95f50aa0d9134803b4d00070f Mon Sep 17 00:00:00 2001 -From: Pauli <paul.d...@oracle.com> -Date: Wed, 24 Oct 2018 07:42:46 +1000 -Subject: [PATCH] Timing vulnerability in DSA signature generation - (CVE-2018-0734). - -Avoid a timing attack that leaks information via a side channel that -triggers when a BN is resized. Increasing the size of the BNs -prior to doing anything with them suppresses the attack. - -Thanks due to Samuel Weiser for finding and locating this. - -Reviewed-by: Bernd Edlinger <bernd.edlin...@hotmail.de> -(Merged from https://github.com/openssl/openssl/pull/7486) - -(cherry picked from commit a9cfb8c2aa7254a4aa6a1716909e3f8cb78049b6) ---- - crypto/dsa/dsa_ossl.c | 28 +++++++++++++++------------- - 1 file changed, 15 insertions(+), 13 deletions(-) - -diff --git a/crypto/dsa/dsa_ossl.c b/crypto/dsa/dsa_ossl.c -index ca20811200..2dd2d7489a 100644 ---- a/crypto/dsa/dsa_ossl.c -+++ b/crypto/dsa/dsa_ossl.c -@@ -9,6 +9,7 @@ - - #include <stdio.h> - #include "internal/cryptlib.h" -+#include "internal/bn_int.h" - #include <openssl/bn.h> - #include <openssl/sha.h> - #include "dsa_locl.h" -@@ -180,9 +181,9 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, - { - BN_CTX *ctx = NULL; - BIGNUM *k, *kinv = NULL, *r = *rp; -- BIGNUM *l, *m; -+ BIGNUM *l; - int ret = 0; -- int q_bits; -+ int q_bits, q_words; - - if (!dsa->p || !dsa->q || !dsa->g) { - DSAerr(DSA_F_DSA_SIGN_SETUP, DSA_R_MISSING_PARAMETERS); -@@ -191,8 +192,7 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, - - k = BN_new(); - l = BN_new(); -- m = BN_new(); -- if (k == NULL || l == NULL || m == NULL) -+ if (k == NULL || l == NULL) - goto err; - - if (ctx_in == NULL) { -@@ -203,9 +203,9 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, - - /* Preallocate space */ - q_bits = BN_num_bits(dsa->q); -- if (!BN_set_bit(k, q_bits) -- || !BN_set_bit(l, q_bits) -- || !BN_set_bit(m, q_bits)) -+ q_words = bn_get_top(dsa->q); -+ if (!bn_wexpand(k, q_words + 2) -+ || !bn_wexpand(l, q_words + 2)) - goto err; - - /* Get random k */ -@@ -240,14 +240,17 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, - * small timing information leakage. We then choose the sum that is - * one bit longer than the modulus. - * -- * TODO: revisit the BN_copy aiming for a memory access agnostic -- * conditional copy. -+ * There are some concerns about the efficacy of doing this. More -+ * specificly refer to the discussion starting with: -+ * https://github.com/openssl/openssl/pull/7486#discussion_r228323705 -+ * The fix is to rework BN so these gymnastics aren't required. - */ - if (!BN_add(l, k, dsa->q) -- || !BN_add(m, l, dsa->q) -- || !BN_copy(k, BN_num_bits(l) > q_bits ? l : m)) -+ || !BN_add(k, l, dsa->q)) - goto err; - -+ BN_consttime_swap(BN_is_bit_set(l, q_bits), k, l, q_words + 2); -+ - if ((dsa)->meth->bn_mod_exp != NULL) { - if (!dsa->meth->bn_mod_exp(dsa, r, dsa->g, k, dsa->p, ctx, - dsa->method_mont_p)) -@@ -275,7 +278,6 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, - BN_CTX_free(ctx); - BN_clear_free(k); - BN_clear_free(l); -- BN_clear_free(m); - return ret; - } - --- -2.17.0 - 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 736323f0ce6..00000000000 --- a/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.k...@windriver.com> - -From b1d6d55ece1c26fa2829e2b819b038d7b6d692b4 Mon Sep 17 00:00:00 2001 -From: Pauli <paul.d...@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.edlin...@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 - diff --git a/meta/recipes-connectivity/openssl/openssl_1.1.1.bb b/meta/recipes-connectivity/openssl/openssl_1.1.1a.bb similarity index 96% rename from meta/recipes-connectivity/openssl/openssl_1.1.1.bb rename to meta/recipes-connectivity/openssl/openssl_1.1.1a.bb index 1234b64b864..be31e9f76ac 100644 --- a/meta/recipes-connectivity/openssl/openssl_1.1.1.bb +++ b/meta/recipes-connectivity/openssl/openssl_1.1.1a.bb @@ -15,8 +15,6 @@ SRC_URI = "http://www.openssl.org/source/openssl-${PV}.tar.gz \ file://run-ptest \ file://openssl-c_rehash.sh \ file://0001-skip-test_symbol_presence.patch \ - file://0002-fix-CVE-2018-0734.patch \ - file://0003-fix-CVE-2018-0735.patch \ file://0001-buildinfo-strip-sysroot-and-debug-prefix-map-from-co.patch \ " @@ -24,8 +22,8 @@ SRC_URI_append_class-nativesdk = " \ file://environment.d-openssl.sh \ " -SRC_URI[md5sum] = "7079eb017429e0ffb9efb42bf80ccb21" -SRC_URI[sha256sum] = "2836875a0f89c03d0fdf483941512613a50cfb421d6fd94b9f41d7279d586a3d" +SRC_URI[md5sum] = "963deb2272d6be7d4c2458afd2517b73" +SRC_URI[sha256sum] = "fc20130f8b7cbd2fb918b2f14e2f429e109c31ddd0fb38fc5d71d9ffed3f9f41" inherit lib_package multilib_header ptest -- 2.17.1 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core