security/openssl-devel: Security update for CVE-2018-0737
MFH: 2018Q2 Security: 8f353420-4197-11e8-8777-b499baebfeaf
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svn2git
2021-03-31 03:12:20 +00:00
svn path=/head/; revision=467499
2 changed files with 28 additions and 0 deletions
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@ -3,6 +3,7 @@
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PORTNAME= openssl
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PORTVERSION= 1.1.0h
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PORTREVISION= 1
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CATEGORIES= security devel
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MASTER_SITES= https://www.openssl.org/source/ \
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ftp://ftp.cert.dfn.de/pub/tools/net/openssl/source/
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27
security/openssl-devel/files/patch-CVE-2018-7037
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27
security/openssl-devel/files/patch-CVE-2018-7037
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@ -0,0 +1,27 @@
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From 6939eab03a6e23d2bd2c3f5e34fe1d48e542e787 Mon Sep 17 00:00:00 2001
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From: Billy Brumley <bbrumley@gmail.com>
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Date: Wed, 11 Apr 2018 10:10:58 +0300
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Subject: [PATCH] RSA key generation: ensure BN_mod_inverse and BN_mod_exp_mont
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both get called with BN_FLG_CONSTTIME flag set.
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CVE-2018-0737
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Reviewed-by: Rich Salz <rsalz@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
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---
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crypto/rsa/rsa_gen.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/crypto/rsa/rsa_gen.c b/crypto/rsa/rsa_gen.c
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index 9af43e05863..79f77e3eafd 100644
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--- crypto/rsa/rsa_gen.c.orig
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+++ crypto/rsa/rsa_gen.c
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@@ -89,6 +89,8 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
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if (BN_copy(rsa->e, e_value) == NULL)
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goto err;
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+ BN_set_flags(rsa->p, BN_FLG_CONSTTIME);
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+ BN_set_flags(rsa->q, BN_FLG_CONSTTIME);
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BN_set_flags(r2, BN_FLG_CONSTTIME);
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/* generate p and q */
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for (;;) {
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