In light of the updated mitigation for the Log4JShell published by Log4J[1], 
specifically "zip -q -d log4j-core-*.jar 
org/apache/logging/log4j/core/lookup/JndiLookup.class", the insufficient 
mitigation measure of setting system property log4j2.formatMsgNoLookups, and 
the presents of JndiLookup.class in the pax-logging-log4j2 jar. What is the 
suggested mitigation for Karaf 4.2.x and Karaf 4.3.x when upgrading Karaf is 
not an option in the short term?

***
* Example from Karaf 4.2.9
****
[user@localhost karaf]$ zip -sf 
./system/org/ops4j/pax/logging/pax-logging-log4j2/1.11.6/pax-logging-log4j2-1.11.6.jar
 | grep JndiLookup
  org/apache/logging/log4j/core/lookup/JndiLookup.class
[user@localhost karaf]$ 

Paul Spencer

[1] https://logging.apache.org/log4j/2.x/security.html#CVE-2021-44228


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