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grave a threat as I claimed, with the list of cloud services affected reading like a who’s who of the biggest names on the Internet. Threat analysts and researchers are still assessing the damage so far and the outlook over the next weeks and months. Here’s what you need to know for now.
What’s Log4J and what makes Log4Shell such a big deal? Log4J is an open source Java-based logging tool available from Apache. It has the ability to perform network lookups using the Java Naming and Directory Interface to obtain services from the Lightweight Directory Access Protocol. The end result: Log4j will interpret a log message as a URL, go and fetch it, and even execute any executable payload it contains with the full privileges of the main program. Exploits are triggered inside text using the ${} syntax, allowing them to be included in browser user agents or other commonly logged attributes.
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