Splunk Augmented Reality, Splunk Cloud Data Manager (SCDM), Splunk Connect for Kubernetes, Splunk Connect for SNMP., Splunk Connect for Syslog, Splunk DB Connect, Splunk Enterprise Cloud, Splunk Log Observer, Splunk Mint, Splunk Mobile, Splunk Network Performance Monitoring, Splunk Open Telemetry Distributions, Splunk Profiling, Splunk Secure Gateway (Spacebridge), Splunk Security Essentials, Splunk TV, Splunk Universal Forwarder (UF), Splunk User Behavior Analytics (UBA), Stream Processor Service etc. A critical remote code execution vulnerability impacting at least Apache Log4j 2 (versions 2.0 to 2.14.1) was recently announced by Apache. I'll need to see : 1) your full log4j.properties file 2) an example of how you are logging in your Java code 3) the nf stanza for the UDP input in Splunk Mask out any sensitive/confidential information. A serious vulnerability ( CVE-2021-44228) in the popular open source Apache Log4j logging library poses a threat to thousands of applications and third-party services that leverage this library, allowing attackers to execute arbitrary code from an external source. ![]() Products that were not impacted by Log4j Vulnerability: Admin Config Service, Analytics Workspace, Behavior Analytics, Dashboard Studio, Developer Tools: AppInspect, Enterprise Security, Infosec App for Splunk, Intelligence Management (TruSTAR), KV Service, Mission Control MLTK, Operator for Kubernetes, Security Analytics for AWS, SignalFx Smart Agent, SOAR Cloud (Phantom), SOAR (On-Premises) Like most cybersecurity teams, the Splunk Threat Research Team (STRT) has been heads-down attempting to understand, simulate, and detect the Log4j attack vector. Break and reassemble the data stream into events. Restart the forwarder to commit the changes. ![]() A lot of Splunk products like Add ons for Java Management extensions, JBoss, Tomcat,Data Stream Processor, IT Essentials Work, IT Service Intelligence, Splunk Connect for Kafka, Splunk Enterprise, Splunk Enterprise Docker Container, Logging Library for Java, OVA for VMWare, OVA for VMWare Metrics, VMWare OVA for ITSI, On-call / VictorOps, Real User Monitoring, Application Performance Monitoring, Infrastructure Monitoring, Log Observer, Synthetics, UBA OVA Software have been impacted for Log4j Vulnerability. For more information on how to respond to the Log4j vulnerabilities using Splunk products, please see our Log4Shell response overview page. In the nf configuration file, add the necessary line breaking and line merging settings to configure the forwarder to perform the correct line breaking on your incoming data stream.
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