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https://issues.apache.org/jira/browse/KAFKA-3169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajini Sivaram updated KAFKA-3169:
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Status: Patch Available (was: Open)
> Kafka broker throws OutOfMemory error with invalid SASL packet
> --------------------------------------------------------------
>
> Key: KAFKA-3169
> URL: https://issues.apache.org/jira/browse/KAFKA-3169
> Project: Kafka
> Issue Type: Bug
> Components: security
> Affects Versions: 0.9.0.0
> Reporter: Rajini Sivaram
> Assignee: Rajini Sivaram
> Priority: Critical
> Fix For: 0.9.0.1
>
>
> Receive buffer used in Kafka servers to process SASL packets is unbounded.
> This can results in brokers crashing with OutOfMemory error when an invalid
> SASL packet is received.
> There is a standard SASL property in Java _javax.security.sasl.maxbuffer_
> that can be used to specify buffer size. When properties are added to the
> Sasl implementation in KAFKA-3149, we can use the standard property to limit
> receive buffer size.
> But since this is a potential DoS issue, we should set a reasonable limit in
> 0.9.0.1.
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