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From "Rajini Sivaram (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KAFKA-3169) Kafka broker throws OutOfMemory error with invalid SASL packet
Date Fri, 29 Jan 2016 13:17:39 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-3169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Rajini Sivaram updated KAFKA-3169:
    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:
>            Reporter: Rajini Sivaram
>            Assignee: Rajini Sivaram
>            Priority: Critical
>             Fix For:
> 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

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