1 files changed, 39 insertions, 0 deletions
diff --git a/dev-libs/openssl/files/openssl-1.1.1_pre7-CVE-2018-0732.patch b/dev-libs/openssl/files/openssl-1.1.1_pre7-CVE-2018-0732.patch
new file mode 100644
index 000000000000..6c336f2507a7
--- /dev/null
+++ b/dev-libs/openssl/files/openssl-1.1.1_pre7-CVE-2018-0732.patch
@@ -0,0 +1,39 @@
+From 91f7361f47b082ae61ffe1a7b17bb2adf213c7fe Mon Sep 17 00:00:00 2001
+From: Guido Vranken <guidovranken@gmail.com>
+Date: Mon, 11 Jun 2018 19:38:54 +0200
+Subject: [PATCH] Reject excessively large primes in DH key generation.
+
+CVE-2018-0732
+
+Signed-off-by: Guido Vranken <guidovranken@gmail.com>
+
+Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
+Reviewed-by: Viktor Dukhovni <viktor@openssl.org>
+Reviewed-by: Rich Salz <rsalz@openssl.org>
+Reviewed-by: Matt Caswell <matt@openssl.org>
+(Merged from https://github.com/openssl/openssl/pull/6457)
+---
+ crypto/dh/dh_key.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
+index 6901548ed69..752542b5563 100644
+--- a/crypto/dh/dh_key.c
++++ b/crypto/dh/dh_key.c
+@@ -78,10 +78,15 @@ static int generate_key(DH *dh)
+     int ok = 0;
+     int generate_new_key = 0;
+     unsigned l;
+-    BN_CTX *ctx;
++    BN_CTX *ctx = NULL;
+     BN_MONT_CTX *mont = NULL;
+     BIGNUM *pub_key = NULL, *priv_key = NULL;
+ 
++    if (BN_num_bits(dh->p) > OPENSSL_DH_MAX_MODULUS_BITS) {
++        DHerr(DH_F_GENERATE_KEY, DH_R_MODULUS_TOO_LARGE);
++        return 0;
++    }
++
+     ctx = BN_CTX_new();
+     if (ctx == NULL)
+         goto err;