1 files changed, 36 insertions, 0 deletions

diff --git a/recipes-connectivity/openssl/openssl/CVE-2018-0737-ensure-BN_mod_inverse-and-BN_mod_exp_mont-both-get-called.patch b/recipes-connectivity/openssl/openssl/CVE-2018-0737-ensure-BN_mod_inverse-and-BN_mod_exp_mont-both-get-called.patch
new file mode 100644
index 0000000..aa92d75
--- /dev/null
+++ b/recipes-connectivity/openssl/openssl/CVE-2018-0737-ensure-BN_mod_inverse-and-BN_mod_exp_mont-both-get-called.patch
@@ -0,0 +1,36 @@
+From 337da9779c4ef107a4b7bbaaa198824a489a10ed Mon Sep 17 00:00:00 2001
+From: Andreas Wellving <andreas.wellving@enea.com>
+Date: Mon, 22 Oct 2018 12:43:16 +0200
+Subject: RSA key generation: ensure BN_mod_inverse and BN_mod_exp_mont both get called with...
+X-Git-Tag: OpenSSL_1_0_2p~87
+X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=349a41da1ad88ad87825414752a8ff5fdd6a6c3f
+
+RSA key generation: ensure BN_mod_inverse and BN_mod_exp_mont both get called with BN_FLG_CONSTTIME flag set.
+
+CVE-2018-0737
+
+Reviewed-by: Rich Salz <rsalz@openssl.org>
+Reviewed-by: Matt Caswell <matt@openssl.org>
+(cherry picked from commit 6939eab03a6e23d2bd2c3f5e34fe1d48e542e787)
+
+CVE: CVE-2018-0737
+Upstream-Status: Backport [https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff_plain;h=349a41da1ad88ad87825414752a8ff5fdd6a6c3f]
+
+Signed-off-by: Andreas Wellving <andreas.wellving@enea.com>
+---
+ crypto/rsa/rsa_gen.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/crypto/rsa/rsa_gen.c b/crypto/rsa/rsa_gen.c
+index a85493d..f5914c0 100644
+--- a/crypto/rsa/rsa_gen.c
++++ b/crypto/rsa/rsa_gen.c
+@@ -155,6 +155,8 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
+     if (BN_copy(rsa->e, e_value) == NULL)
+         goto err;
+ 
++    BN_set_flags(rsa->p, BN_FLG_CONSTTIME);
++    BN_set_flags(rsa->q, BN_FLG_CONSTTIME);
+     /* generate p and q */
+     for (;;) {
+         if (!BN_generate_prime_ex(rsa->p, bitsp, 0, NULL, NULL, cb))