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https://issues.apache.org/jira/browse/CASSANDRA-17352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Williams updated CASSANDRA-17352:
-----------------------------------------
Resolution: Fixed
Status: Resolved (was: Open)
> CVE-2021-44521: Apache Cassandra: Remote code execution for scripted UDFs
> -------------------------------------------------------------------------
>
> Key: CASSANDRA-17352
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17352
> Project: Cassandra
> Issue Type: Bug
> Components: Feature/UDF
> Reporter: Marcus Eriksson
> Assignee: Marcus Eriksson
> Priority: Normal
> Fix For: 3.0.26, 3.11.12, 4.0.2
>
>
> When running Apache Cassandra with the following configuration:
> enable_user_defined_functions: true
> enable_scripted_user_defined_functions: true
> enable_user_defined_functions_threads: false
> it is possible for an attacker to execute arbitrary code on the host. The
> attacker would need to have enough permissions to create user defined
> functions in the cluster to be able to exploit this. Note that this
> configuration is documented as unsafe, and will continue to be considered
> unsafe after this CVE.
> This issue is being tracked as CASSANDRA-17352
> Mitigation:
> Set `enable_user_defined_functions_threads: true` (this is default)
> or
> 3.0 users should upgrade to 3.0.26
> 3.11 users should upgrade to 3.11.12
> 4.0 users should upgrade to 4.0.2
> Credit:
> This issue was discovered by Omer Kaspi of the JFrog Security vulnerability
> research team.
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