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Exploit code has been released for a serious code-execution vulnerability in Log4j, an open source logging utility that’s used in countless apps, including those used by large enterprise organizations, several websites reported last Thursday.
Word of the vulnerability first came to light on sites catering to users of Minecraft, the best-selling game of all time. The sites warned that hackers could execute malicious code on servers or clients running the Java version of Minecraft by manipulating log messages, including from things typed in chat messages. The picture became more dire still as Log4j was identified as the source of the vulnerability, and exploit code was discovered posted online.
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