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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2016-12-22 13:51:27 +0100 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2017-01-24 18:27:10 +0100 |
| commit | 8957adda165f77589090627d6563796331c0c94b (patch) | |
| tree | e110fde18cf49b2f0f7bd57ae36d29b9be8842d0 | |
| parent | cb00d4ff17eae9c4e489409f5d12bff76c110be1 (diff) | |
| download | openssl-new-8957adda165f77589090627d6563796331c0c94b.tar.gz | |
Fix error handling in compute_key, BN_CTX_get can return NULL
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2132)
(cherry picked from commit 7928ee4d685b727619555bc1ec0aee805f6fc8c4)
| -rw-r--r-- | crypto/dh/dh_key.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c index 1d80fb2c5f..387558f146 100644 --- a/crypto/dh/dh_key.c +++ b/crypto/dh/dh_key.c @@ -223,6 +223,8 @@ static int compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh) goto err; BN_CTX_start(ctx); tmp = BN_CTX_get(ctx); + if (tmp == NULL) + goto err; if (dh->priv_key == NULL) { DHerr(DH_F_COMPUTE_KEY, DH_R_NO_PRIVATE_VALUE); |