The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | < a9b4599665e437de8a1152799c34841b799a2e1c |