CVE-2018-17196: Potential to bypass transaction/idempotent ACL checks in Apache Kafka

[Jason Gustafson <jason () confluent io>]

CVE-2018-17196: Potential to bypass transaction/idempotent ACL checks in
Apache Kafka

Severity: Moderate

Vendor: The Apache Software Foundation

Versions Affected: Apache Kafka 0.11.0.0 - 2.1.0

Description: It is possible to manually craft a Produce request which
bypasses transaction/idempotent ACL validation. Only authenticated clients
with Write permission on the respective topics are able to exploit this
vulnerability.

Mitigation: Apache Kafka users should upgrade to 2.1.1 or later where this
vulnerability has been fixed.

Acknowledgements: This issue was reported by Jason Gustafson


Regards,
Jason