[openssl-commits] [openssl] OpenSSL_1_1_0-stable update

[Rich Salz]

The branch OpenSSL_1_1_0-stable has been updated
       via  4b797282c23450406c2dc73aea051b4b85589b8d (commit)
      from  388105fff3a3290806f411f0ea1d384adecb7ffa (commit)


- Log -----------------------------------------------------------------
commit 4b797282c23450406c2dc73aea051b4b85589b8d
Author: Bernd Edlinger <bernd.edlin...@hotmail.de>
Date:   Tue Jun 13 18:08:40 2017 +0200

    Fix crash in ecdh_simple_compute_key.
    
    Reviewed-by: Matt Caswell <m...@openssl.org>
    Reviewed-by: Rich Salz <rs...@openssl.org>
    (Merged from https://github.com/openssl/openssl/pull/3671)
    (cherry picked from commit abea494cf75061650deecf584adc2cd293ce322d)

-----------------------------------------------------------------------

Summary of changes:
 crypto/ec/ecdh_ossl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crypto/ec/ecdh_ossl.c b/crypto/ec/ecdh_ossl.c
index caf65de..a865145 100644
--- a/crypto/ec/ecdh_ossl.c
+++ b/crypto/ec/ecdh_ossl.c
@@ -66,6 +66,10 @@ int ecdh_simple_compute_key(unsigned char **pout, size_t 
*poutlen,
     BN_CTX_start(ctx);
     x = BN_CTX_get(ctx);
     y = BN_CTX_get(ctx);
+    if (y == NULL) {
+        ECerr(EC_F_ECDH_SIMPLE_COMPUTE_KEY, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
 
     priv_key = EC_KEY_get0_private_key(ecdh);
     if (priv_key == NULL) {
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