From: Bernd Edlinger <bernd.edlinger@hotmail.de>
Date: Sun, 17 Mar 2019 08:48:15 +0000 (+0100)
Subject: Clear the secret point in ecdh_simple_compute_key
X-Git-Tag: OpenSSL_1_1_0k~8
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=c5bc42d7a131cf7a6a2ebd97a7a4a559d01af0f9;p=oweals%2Fopenssl.git

Clear the secret point in ecdh_simple_compute_key

Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8501)

(cherry picked from commit 1ff2c992c24c330c0d40708b4169b862563d6aab)
---

diff --git a/crypto/ec/ecdh_ossl.c b/crypto/ec/ecdh_ossl.c
index a865145974..2d620cbc3e 100644
--- a/crypto/ec/ecdh_ossl.c
+++ b/crypto/ec/ecdh_ossl.c
@@ -138,7 +138,7 @@ int ecdh_simple_compute_key(unsigned char **pout, size_t *poutlen,
     ret = 1;
 
  err:
-    EC_POINT_free(tmp);
+    EC_POINT_clear_free(tmp);
     if (ctx)
         BN_CTX_end(ctx);
     BN_CTX_free(ctx);