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Check the return from EVP_PKEY_get0_DH()

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Fixes #5934

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5983)
This commit is contained in:
Matt Caswell 2018-04-17 11:32:20 +01:00
parent 7d4488bbd7
commit a682365728
1 changed files with 6 additions and 0 deletions
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6
ssl/statem/statem_srvr.c
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@ -2481,6 +2481,12 @@ int tls_construct_server_key_exchange(SSL *s, WPACKET *pkt)
}
dh = EVP_PKEY_get0_DH(s->s3->tmp.pkey);
if (dh == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_F_TLS_CONSTRUCT_SERVER_KEY_EXCHANGE,
ERR_R_INTERNAL_ERROR);
goto err;
}
EVP_PKEY_free(pkdh);
pkdh = NULL;