Log4j added the ability to perform lookups: map lookups, system properties lookups as well as JNDI (Java Naming and Directory Interface) lookups. Log4j uses the JNDI API to obtain naming and directory services from several available service providers: LDAP (Lightweight Directory Access Protocol), COS (Common Object Services), Java RMI registry (Remote Method Invocation), DNS (Domain Name Service), etc.
This video describes the Log4Shell vulnerability, steps to correct and the impact to the tech industry.
00:00 Introduction
01:20 What is Log4J and how is it used?
03:29 How to Identify level of exposure
04:03 How to Remediate
04:48 What not to do
05:27 Industry Impact
Resources:
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