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...

Apache Kafka's SCRAM implementation Incorrectly Implements Authentication Algorithm

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...