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submitted 1 year ago* (last edited 1 year ago) by zinklog@lemmy.fmhy.ml to c/freemediaheckyeah@lemmy.fmhy.ml

This post explains the incident well but long story short some hackers were able to compromise user and admin accounts through stolen authentication cookies on some instances.

Before things were clear on exactly how this happened, we pulled the plug on our instance to mitigate the risk. We probabaly should have hastily wrote an announcment post before doing that but the situation seemed critical so we didn't want to waste any time.

Few hours later, people were able to figure out the issue and promptly fix it. Turns out this vulnerabilty could only be exploited if an instance had custom emojis which thankfully ours didn't, so users using this instance should be safe from the hack. lemmy.fmhy.ml now runs on v18.2rc which has fixed this vuln to be extra secure.

Sorry for the downtime and we will try to communicate the problem better in the future.

P.S. After somone mentioned exploding-heads on a recent post and why we are still federated with it, we took some time to view it carefully and decided it's an instance that systematically breaks our rules and to defederate with it. We will shortly post our defederation policy soon to give a better idea on how we will decide on which instance to defederate from moving forward.

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[-] NeoLikesLemmy@lemmy.fmhy.ml 7 points 1 year ago

Sorry for the downtime and we will try to communicate the problem better in the future.

You did the right thing, going down immediately.

The solution for the announcement problem is to do it "out of band", as the communications engineers call it. That is: use a different medium. May be a webpage or even twitter or whatever. Ideally let everybody know your method in advance (make an announcement policy :-)) so the users know where to look for the info.

[-] Diabolo96@lemmy.fmhy.ml 2 points 1 year ago* (last edited 1 year ago)

A custom error ?

CODE 666 EVIL IS TRYING TO GAIN CONTROL !

Just kidding . A script kiddy is trying to hack us.

[-] darkstar@sh.itjust.works 1 points 1 year ago

Yes this is exactly how to do it. Maybe have a mastodon account to post updates if the instance is down ?

[-] ggt@lemmy.fmhy.ml 4 points 1 year ago

I also want to mention this happened at 2 or 3 AM EST, which only had 2 admins on, me and the hoster. I should've made a post, but given the severity, lack of info, and lack of staff members, we both decided to shut it down immediately until it was patched. I personally apologize for the downtime but I hope it's understandable why we did it this way. In case something like this happens again, I'll post it in the FMHY Divolt server.

[-] Kratos_Aurion@lemmy.fmhy.ml 3 points 1 year ago

Sometimes you unfortunately have to choose between safety and communication. In this case you chose safety, which even if it didn't end up being warranted was the right call IMO. Thanks for putting in all the effort.

[-] SoreSeal@lemmy.fmhy.ml 1 points 1 year ago

Not only understandable, but I'm glad that's how you guys handled it. Leaving it up seems irresponsible to me, although I'm not blaming any admins who did.

I'm glad you guys had the time to do it at all. Also shows this layered universe stuff is not that bad, so much harder to do harm.

[-] kratoz29@lemmy.world 2 points 1 year ago

Good thing you are back guys.

[-] HectorBarbossa99@lemmy.fmhy.ml 2 points 1 year ago

so what security concerns should we be worried about? I didnt have my computer on or logged in, am I at risk of a virus or personal information being leaked or something?

[-] sudo@lemmy.fmhy.ml 1 points 1 year ago

Appreciate your proactive measures and quickly getting the server up again and patched. Also thanks to all of the admins for their hard work going into the server!

I support the decision regarding exploding heads.

Related.. Has fmhy also blocked Meta/threads? While I don't think we should be like Beehaw over here, there are certain places that deserve defederation and Meta/corporate interests are at the top of that list for me.

[-] zinklog@lemmy.fmhy.ml 3 points 1 year ago* (last edited 1 year ago)

Right now it's not even mastodon compatible let alone lemmy. There are some arguments on how federating with them will allow people to migrate to a more privacy respecting instance and still view threads content, and some users say this will allow them to still communicate with their friends who don't want to switch away from threads.

So while we do lean towards defederating from it, it's some months away before we need to actually decide and till then we are simply listening to and discussing both sides of the argument.

[-] scurzon@rammy.site -2 points 1 year ago

Ah good old censorship, always the answer

this post was submitted on 10 Jul 2023
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