BIT-KAFKA-2024-56128 Apache Kafka: SCRAM authentication vulnerable to replay attacks when used without encryption

Incorrect Implementation of Authentication Algorithm in Apache Kafka's SCRAM implementation. Issue Summary: Apache Kafka's implementation of the Salted Challenge Response Authentication Mechanism SCRAM did not fully adhere to the requirements of RFC 5802 1. Specifically, as per RFC 5802, the serv...

CVE-2024-56128

CVE-2024-56128 affects Apache Kafka SCRAM authentication. Root cause: SCRAM server nonce verification against the server’s first message was not performed per RFC 5802, enabling plaintext-snooping scenarios if SCRAM is used over non-TLS. Impact: exploitation requires access to plaintext SCRAM exc...