From 18c7b49354bd72fdafa77b6b6dbb3b3d3e8a9ae6 Mon Sep 17 00:00:00 2001 From: Matt Caswell Date: Mon, 9 Feb 2015 11:38:41 +0000 Subject: Fix a failure to NULL a pointer freed on error. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Inspired by BoringSSL commit 517073cd4b by Eric Roman CVE-2015-0209 Reviewed-by: Emilia Käsper --- crypto/ec/ec_asn1.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/crypto/ec/ec_asn1.c b/crypto/ec/ec_asn1.c index ccd1ecd..1f27781 100644 --- a/crypto/ec/ec_asn1.c +++ b/crypto/ec/ec_asn1.c @@ -1140,8 +1140,6 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len) ERR_R_MALLOC_FAILURE); goto err; } - if (a) - *a = ret; } else ret = *a; @@ -1206,11 +1204,13 @@ EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len) } } + if (a) + *a = ret; ok = 1; err: if (!ok) { - if (ret) + if (ret && (a == NULL || *a != ret)) EC_KEY_free(ret); ret = NULL; } -- cgit v1.1