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author | Lars Wendler <polynomial-c@gentoo.org> | 2018-10-29 14:02:33 +0100 |
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committer | Lars Wendler <polynomial-c@gentoo.org> | 2018-10-29 14:08:20 +0100 |
commit | 9cf9aa64d52743263e9619c3cd0794557e3b5445 (patch) | |
tree | 9a6b7cc427166ea846a807b6e36f478a98305e67 /dev-libs/openssl/files | |
parent | app-backup/bacula: Add 9.2.1 release. (diff) | |
download | gentoo-9cf9aa64d52743263e9619c3cd0794557e3b5445.tar.gz gentoo-9cf9aa64d52743263e9619c3cd0794557e3b5445.tar.bz2 gentoo-9cf9aa64d52743263e9619c3cd0794557e3b5445.zip |
dev-libs/openssl: Revbumps to fix CVE-2018-0735
Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>
Package-Manager: Portage-2.3.51, Repoman-2.3.11
Diffstat (limited to 'dev-libs/openssl/files')
-rw-r--r-- | dev-libs/openssl/files/openssl-1.1.0i-CVE-2018-0735.patch | 44 | ||||
-rw-r--r-- | dev-libs/openssl/files/openssl-1.1.1-CVE-2018-0735.patch | 44 |
2 files changed, 88 insertions, 0 deletions
diff --git a/dev-libs/openssl/files/openssl-1.1.0i-CVE-2018-0735.patch b/dev-libs/openssl/files/openssl-1.1.0i-CVE-2018-0735.patch new file mode 100644 index 000000000000..5762c04fa340 --- /dev/null +++ b/dev-libs/openssl/files/openssl-1.1.0i-CVE-2018-0735.patch @@ -0,0 +1,44 @@ +From 56fb454d281a023b3f950d969693553d3f3ceea1 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 22bb30ffa1..ff882cce20 100644 +--- a/crypto/ec/ec_mult.c ++++ b/crypto/ec/ec_mult.c +@@ -177,8 +177,8 @@ static int ec_mul_consttime(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)) + goto err; + + if (!BN_copy(k, scalar)) +@@ -205,7 +205,7 @@ static int ec_mul_consttime(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) +-- +2.19.1 + diff --git a/dev-libs/openssl/files/openssl-1.1.1-CVE-2018-0735.patch b/dev-libs/openssl/files/openssl-1.1.1-CVE-2018-0735.patch new file mode 100644 index 000000000000..295f5dbe8d82 --- /dev/null +++ b/dev-libs/openssl/files/openssl-1.1.1-CVE-2018-0735.patch @@ -0,0 +1,44 @@ +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) +-- +2.19.1 + |