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https://issues.apache.org/jira/browse/AVRO-3985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17842976#comment-17842976
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Jean-Baptiste Onofré edited comment on AVRO-3985 at 5/2/24 1:52 PM:
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[~opwvhk] I'm proposing the opposite: don't trust any package by default and
"invite" the user to clearly state the packages he trusts.
For the context, I did a similar implementation in ActiveMQ
(https://activemq.apache.org/components/classic/documentation/objectmessage).
was (Author: jbonofre):
[~opwvhk] I'm proposing the opposite: don't trust any package by default and
"invite" the user to clearly state the packages he trusts.
> Restrict trusted packages in ReflectData and SpecificData
> ---------------------------------------------------------
>
> Key: AVRO-3985
> URL: https://issues.apache.org/jira/browse/AVRO-3985
> Project: Apache Avro
> Issue Type: Improvement
> Components: java
> Reporter: Jean-Baptiste Onofré
> Priority: Major
> Fix For: 1.12.0, 1.11.4
>
>
> Right now, there's no check in allowed packages in {{ReflectData}} and
> {{{}SpecificData{}}}.
> That could be problematic for marshalling/unmarshalling, as the as malicious
> payload can exploit the host system.
> I propose to introduce a {{org.apache.avro.TRUSTED_PACKAGES}} system property:
> {code:java}
> -Dorg.apache.avro.TRUSTED_PACKAGES=java.lang,javax.security,java.util,...{code}
> In case we want to shortcut the mechanism, we would be able to allow all
> packages to be trusted using {{*}} wildcard:
> {code:java}
> -Dorg.apache.avro.TRUSTED_PACKAGES=*{code}
> By default, I would recommend to have limited trusted packages:
> {{{}java.lang,javax.security,java.util,org.apache.avro{}}}.
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