Serious security flaw threatens Minecraft and possibly the entire internet — what to do
Serious security flaw threatens Minecraft and maybe the entire cyberspace — what to do
If y'all're a Minecraft actor using the Java Edition on a PC, Mac or Linux box, you'll want to update your game software to the latest version immediately.
There'south a very serious security flaw that could permit malicious hackers totally take over your computer. The outcome could also impact many other online services, including perchance Steam and Apple iCloud, but nosotros don't yet know exactly how severe the threat to those other platforms is. (Update: It'due south as bad as we feared.)
Ideally, you desire your Minecraft Coffee Edition client software to be fully updated to version 1.18.1, released before today (Dec. x). Often, just closing the game then restarting the launcher volition automatically update the game software to the latest version.
"If you play Minecraft: Java Edition, only aren't hosting your ain server, you volition need to have the post-obit steps," said a blog post today on the Minecraft website. "Close all running instances of the game and the Minecraft Launcher. Start the Launcher once more — the patched version volition download automatically."
I'd advice you lot to non play versions of Minecraft earlier than 1.12 right now.December 10, 2021
Players running Minecraft mods based on earlier versions of the Java Edition will have to figure out their own way to version 1.xviii.1. Administrators of Minecraft servers need to follow specific instructions depending on which server-software version they're running, as detailed in the Minecraft blog post. Interestingly, versions below 1.7 don't seem to exist afflicted by this flaw.
Nor does the flaw seem to touch on Minecraft Boulder Edition, aka just Minecraft. That edition is not based on Java and runs on Windows, mobile devices and game consoles. That version is upward to one.18.ii.
Mostly, if yous downloaded your Minecraft software for Windows from the Minecraft website, or you're using a Mac or Linux box, you lot're running the Java Edition.
If you got the Windows version of the game from the Microsoft online store, or you're playing Minecraft on iOS, Android or a gaming panel, then you're running the Bedrock Edition and you're not in any danger.
"This exploit is quite severe on Minecraft Coffee Edition. Anyone can send a chat bulletin which exploits everyone on the server and the server itself, because every chat message is logged," wrote commenter createonez on the Hacker News forum before today. "Some of the major servers like 2b2t and Mineplex have close down, and larger servers that haven't shut down yet are pure chaos right now."
This problem goes far beyond Minecraft
This security flaw isn't in Minecraft itself, just in the Java environment that Minecraft Coffee Edition uses to exist cantankerous-compatible on Windows, Mac and Linux.
A widely used open-source logging utility chosen Log4j was establish yesterday (December. nine) to have an extremely serious security flaw.
It could let an attacker proceeds remote control of any client automobile logged into a server running a Java example using a vulnerable version of Log4j. Many servers running the open-source Apache software also use Log4j.
Log4j has been patched and a new version made available today, merely many servers have not updated their Java or Apache builds notwithstanding to incorporate it. Most of the bug will be on the server side, but it's possible some platforms may experience customer-side issues; we really don't notwithstanding know yet.
Some other commenter on the Hacker News forum said that Steam and Apple tree iCloud were besides vulnerable, only we've not been able to verify that and it's not clear whether that was only on the server side or on the client side as well.
"I suspect we are going to see afflicted applications and devices continue to exist identified for a long fourth dimension," Rumble chief engineering officeholder HD Moore, who too adult the Metasploit hacking platform, told Ars Technica'south Dan Goodin .
"This is a large deal for environments tied to older Java runtimes: Spider web front ends for various network appliances, older application environments using legacy APIs, and Minecraft servers, due to their dependency on older versions for modernistic compatibility."
UPDATE: Nosotros're getting more reaction from information-security experts on Twitter, who say this could terminate up causing a "mini-cyberspace meltdown."
"Although this emerged as a Minecraft issue (lol) at that place is going to be impacts beyond a wide range of enterprise software for some time," said Kevin Beaumont, a well-known security researcher in northern England.
Starting a new thread for log4j security vulnerability and fallout. Spoiler: although this emerged as a Minecraft issue (lol) there is going to be impacts across a wide range of enterprise software for some time. https://t.co/s9XQIgqNQ4December 10, 2021
"You can Google pretty much any big InfoSec vendor with log4j and find... things," he added, putting up screenshots of documentation of Log4j implementations in Symantec antivirus software, Blackberry server software, Microsoft Azure and what appeared to be a Barracuda firewall.
Rob Joyce, manager of cybersecurity at the U.Due south. National Security Bureau, tweeted that even the NSA'due south own gratuitous-to-utilize Ghidra software-analysis tool used Log4j. He chosen it a "significant threat for exploitation."
Source: https://www.tomsguide.com/news/java-log-flaw-minecraft
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