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ASF GitHub Bot commented on KAFKA-3396: --------------------------------------- GitHub user hachikuji opened a pull request: https://github.com/apache/kafka/pull/1946 MINOR: Follow-up minor improvements/cleanup for KAFKA-3396 You can merge this pull request into a Git repository by running: $ git pull https://github.com/hachikuji/kafka followup-for-kafka-3396 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/1946.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #1946 ---- commit efd843430651aacc90d3d2b4c7f3d635416c24be Author: Jason Gustafson <ja...@confluent.io> Date: 2016-10-01T05:42:22Z MINOR: Follow-up minor improvements/cleanup for KAFKA-3396 ---- > Unauthorized topics are returned to the user > -------------------------------------------- > > Key: KAFKA-3396 > URL: https://issues.apache.org/jira/browse/KAFKA-3396 > Project: Kafka > Issue Type: Bug > Components: security > Affects Versions: 0.9.0.0, 0.10.0.0 > Reporter: Grant Henke > Assignee: Edoardo Comar > Priority: Critical > Fix For: 0.10.1.0 > > > Kafka's clients and protocol exposes unauthorized topics to the end user. > This is often considered a security hole. To some, the topic name is > considered sensitive information. Those that do not consider the name > sensitive, still consider it more information that allows a user to try and > circumvent security. Instead, if a user does not have access to the topic, > the servers should act as if the topic does not exist. > To solve this some of the changes could include: > - The broker should not return a TOPIC_AUTHORIZATION(29) error for > requests (metadata, produce, fetch, etc) that include a topic that the user > does not have DESCRIBE access to. > - A user should not receive a TopicAuthorizationException when they do > not have DESCRIBE access to a topic or the cluster. > - The client should not maintain and expose a list of unauthorized > topics in org.apache.kafka.common.Cluster. > Other changes may be required that are not listed here. Further analysis is > needed. -- This message was sent by Atlassian JIRA (v6.3.4#6332)