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https://issues.apache.org/jira/browse/LOG4J2-3293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Sicker resolved LOG4J2-3293.
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Resolution: Fixed
Fixed in 2.17.1. To be backported for 2.12.4 and 2.3.2 later.
> JDBC Appender should use JNDI Manager and JNDI access should be limited.
> ------------------------------------------------------------------------
>
> Key: LOG4J2-3293
> URL: https://issues.apache.org/jira/browse/LOG4J2-3293
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.17.0
> Reporter: Ralph Goers
> Priority: Major
> Fix For: 2.17.1
>
>
> JDBC Appender should use JndiManager when accessing JNDI. JNDI access should
> be controlled via a system property.
> Related to
> [CVE-2021-44832|https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44832]
> where an attacker with permission to modify the logging configuration file
> can construct a malicious configuration using a JDBC Appender with a data
> source referencing a JNDI URI which can execute remote code.
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