Apache Log4j Critical Exploit

Extremely Critical Log4J Vulnerability Leaves Much of the Internet at Risk

KhetaguriDimitri KhetaguriDimitri
Dec 13, 2021 - 14:34
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Apache Log4j Critical Exploit

Apache Log4j Vulnerability — Log4Shell — Widely Under Active Attack

Threat actors are actively weaponizing unpatched servers affected by the newly identified "Log4Shell" vulnerability in Log4j to install cryptocurrency miners, Cobalt Strike, and recruit the devices into a botnet, even as telemetry signs point to exploitation of the flaw nine days before it even came to light.

Log4j is used as a logging package in a variety of different popular software by a number of manufacturers, including Amazon, Apple iCloud, Cisco, Cloudflare, ElasticSearch, Red Hat, Steam, Tesla, Twitter, and video games such as Minecraft. In the case of the latter, attackers have been able to gain RCE on Minecraft Servers by simply pasting a specially crafted message into the chat box.

nist.gov

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