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https://issues.apache.org/jira/browse/FREEMARKER-124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dániel Dékány resolved FREEMARKER-124.
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Fix Version/s: 2.3.30
Resolution: Fixed
Fix committed.
> Security - templates can get classloader by using
> java.security.ProtectionDomain.getClassLoader
> -----------------------------------------------------------------------------------------------
>
> Key: FREEMARKER-124
> URL: https://issues.apache.org/jira/browse/FREEMARKER-124
> Project: Apache Freemarker
> Issue Type: Bug
> Reporter: Gal Ben Ami
> Priority: Critical
> Labels: security
> Fix For: 2.3.30
>
>
> By using java.security.ProtectionDomain.getClassLoader templates will get
> access to the classloader and from there can get filesystem access and more.
>
> See:
> [https://github.com/apache/freemarker/pull/62]
>
> And
> [https://ackcent.com/blog/in-depth-freemarker-template-injection/]
>
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