diff options
| author | Pauli <pauli@openssl.org> | 2022-08-22 11:06:57 +1000 |
|---|---|---|
| committer | Pauli <pauli@openssl.org> | 2022-08-23 18:03:45 +1000 |
| commit | 25c486762daf8a279676e3e98136855e2e021100 (patch) | |
| tree | 8409bc9823f203cae142475965f7e39ed82a4d0a /crypto | |
| parent | 893a416b08377749e3e556ae78ea193a35423697 (diff) | |
Coverity 1508532: out of bounds access
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19033)
(cherry picked from commit eb7a5cc3454174094c0c09f1d00aec464ce0f786)
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/dh/dh_pmeth.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/dh/dh_pmeth.c b/crypto/dh/dh_pmeth.c index 1ad50b850d..bd7902c433 100644 --- a/crypto/dh/dh_pmeth.c +++ b/crypto/dh/dh_pmeth.c @@ -432,7 +432,8 @@ static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key, else if (dctx->kdf_type == EVP_PKEY_DH_KDF_X9_42) { unsigned char *Z = NULL; - size_t Zlen = 0; + int Zlen = 0; + if (!dctx->kdf_outlen || !dctx->kdf_oid) return 0; if (key == NULL) { |