Description
Apache Flume versions 1.4.0 through 1.9.0 are vulnerable to a remote code execution (RCE) attack when a configuration uses a JMS Source with a JNDI LDAP data source URI when an attacker has control of the target LDAP server. This issue is fixed by limiting JNDI to allow only the use of the java protocol or no protocol.
Remediation
References
https://lists.apache.org/thread/16nf6b81zjpdc4y93ho99oxo83ddbsvg
https://issues.apache.org/jira/browse/FLUME-3416
http://www.openwall.com/lists/oss-security/2022/06/14/1
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