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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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Marcus Eriksson updated CASSANDRA-17352:
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Description:
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.
> 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
> Reporter: Marcus Eriksson
> Priority: Normal
>
> 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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