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https://issues.apache.org/jira/browse/KAFKA-5246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16011252#comment-16011252
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ASF GitHub Bot commented on KAFKA-5246:
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GitHub user datalorax opened a pull request:
https://github.com/apache/kafka/pull/3061
KAFKA-5246: Remove backdoor that allows any client to produce to internal
topics
removing unused `AdminUtils.AdminClientId`, as its a security hole.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/datalorax/kafka
remove_admin_utils__admin_client_id
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/3061.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 #3061
----
commit 8aaaac3b57b4f3fb17012348bf02543b472edde8
Author: Andy Coates <[email protected]>
Date: 2017-05-15T20:14:52Z
KAFKA-5246: remove unused `AdminUtils.AdminClientId`, as its unused and a
security hole.
----
> Remove backdoor that allows any client to produce to internal topics
> ---------------------------------------------------------------------
>
> Key: KAFKA-5246
> URL: https://issues.apache.org/jira/browse/KAFKA-5246
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.10.0.0, 0.10.0.1, 0.10.1.0, 0.10.1.1, 0.10.2.0,
> 0.10.2.1
> Reporter: Andy Coates
> Assignee: Andy Coates
> Priority: Minor
>
> kafka.admim.AdminUtils defines an ‘AdminClientId' val, which looks to be
> unused in the code, with the exception of a single use in KafkaAPis.scala in
> handleProducerRequest, where is looks to allow any client, using the special
> ‘__admin_client' client id, to append to internal topics.
> This looks like a security risk to me, as it would allow any client to
> produce either rouge offsets or even a record containing something other than
> group/offset info.
> Can we remove this please?
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