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

Apache Kafka's SCRAM implementation fails to adhere to RFC 5802 because it does not verify that the nonce sent by the client in the second message matches the server's nonce from the first message. This vulnerability is exploitable only if an attacker has plaintext access to the SCRAM authenticat...