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From Log4Shell to Text4Shell…

Context of the Log4Shell Vulnerability to Text4Shell

A year ago, the infamous “Log4Shell” vulnerability on the Log4J logging library of the Apache Logging Services was disclosed. This “Remote Code Execution” (RCE) vulnerability was widely publicized, as the component was widely used and exploiting of the vulnerability was easy. Indeed, Log4Shell was more than just an RCE vulnerability. Depending on the way it was exploited, it could also be used for data exfiltration via protocols such as DNS.

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