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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2017-07-01 22:18:10 +0200 |
|---|---|---|
| committer | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2017-07-02 07:56:27 +0200 |
| commit | 0cfb422656b0807b23f63fccea0a12ab2bddbbb1 (patch) | |
| tree | f8e0044f986916366759f744642996369f7ac098 /crypto/ecdsa | |
| parent | 282c1321962e7ed1714c7d59495c60affce806db (diff) | |
Fix a memory leak in ecdh/ecdsa_check.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3825)
Diffstat (limited to 'crypto/ecdsa')
| -rw-r--r-- | crypto/ecdsa/ecs_lib.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/crypto/ecdsa/ecs_lib.c b/crypto/ecdsa/ecs_lib.c index 8dc1dda462..f1dd472317 100644 --- a/crypto/ecdsa/ecs_lib.c +++ b/crypto/ecdsa/ecs_lib.c @@ -203,9 +203,16 @@ ECDSA_DATA *ecdsa_check(EC_KEY *key) */ ecdsa_data_free(ecdsa_data); ecdsa_data = (ECDSA_DATA *)data; + } else if (EC_KEY_get_key_method_data(key, ecdsa_data_dup, + ecdsa_data_free, + ecdsa_data_free) != ecdsa_data) { + /* Or an out of memory error in EC_KEY_insert_key_method_data. */ + ecdsa_data_free(ecdsa_data); + return NULL; } - } else + } else { ecdsa_data = (ECDSA_DATA *)data; + } #ifdef OPENSSL_FIPS if (FIPS_mode() && !(ecdsa_data->flags & ECDSA_FLAG_FIPS_METHOD) && !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW)) { |