Question: Defending Against the Log4Shell Vulnerability Log4Shell vulnerability in the popular Apache Log4j 2 is a critical zero-day vulnerability that enables bad actors to perform remote

Defending Against the Log4Shell Vulnerability Log4Shell vulnerability in the popular Apache

Defending Against the Log4Shell Vulnerability Log4Shell vulnerability in the popular Apache Log4j 2 is a critical zero-day vulnerability that enables bad actors to perform remote code execution (RCE). Log4j is used in frameworks such as Apache Struts 2, Apache Solr, Apache Druid and Apache Flink. In many Instances, system admins may not be aware that Log4) Is being used in their environments, leaving thousands of applications and third-party services at risk. Recently (Dec 2021), we were alarmed by the Log4j vulnerability. a) Find out one CVE that is related to Log4j and what is the severity level? (You can do an online search for this, based on CVE tool that we have learned). b) Referring to most Security Advisory report, the mitigation to address the Log4j vulnerability is to harden applications that use Log4j. Based on the 6 (six) Security hardening methods that we learned, which ONE of the six approaches do we have to apply to avoid our systems being attacked through Log4j vulnerability

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