In this episode of the backend engineering show, I discuss the log4j vulnerability (CVE-2021-44228 also known as log4shell) that took the Internet by storm.


0:00 Intro


1:00 log4j


5:30 How the attack started


11:00 Attack with DNS


17:00 Remote Code Execution


23:00 Remedy


31:00 Scanning


References


https://nvd.nist.gov/vuln/detail/CVE-2021-44228


https://youtu.be/oC2PZB5D3Ys


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