Critical Vulnerability: Vulnerability in Widely Used Open Source Software is Discovered
By Cameron Abbott, Rob Pulham, Max Evans and Ella Krygier
A critical security vulnerability has been discovered in Apache Log4j, an open-source logging library used by many popular Java applications to provide logging functionality for troubleshooting purposes, according to the Australian Cyber Security Centre (ACSC).
The software’s vulnerability, known as Log4Shell, allows for remote code execution, which, if left unfixed, could allow cybercriminals to take control of IT systems, steal personal data, passwords and files, and install backdoors for future access, simply by adding an additional line of arbitrary code. According to the ACSC, malicious cyber actors have used this vulnerability to target and compromise IT systems globally and in Australia, which led the ACSC to publish advice on mitigation and detection recommendations.
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