Kick exploits: Difference between revisions
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'''Kick exploits''' are [[Wikipedia:Exploit (computer security)|exploits]] that can be abused to | '''Kick exploits''' are [[Wikipedia:Exploit (computer security)|exploits]] in the [https://minecraft.wiki/w/Java_Edition_protocol Java Edition protocol] implementation or game logic implementation that can be abused to disconnect a client from the server. | ||
=Serverside= | ==Serverside== | ||
=Clientside= | Serverside kicks force the server to disconnect a client. | ||
===Oversized packets=== | |||
Oversized packets are achieved by making the server generate a packet that is too large for it to encode, resulting in the server disconnecting the player. | |||
Such exploits have since been largely patched by [[PaperMixins]]<ref>See commits: | |||
* {{cite web|title=6cb2e2e fix: ignore serialization failure for specific packets|url=https://github.com/kaboomserver/papermixins/commit/6cb2e2eb5931878a08af4d927d674de536b603f1}} | |||
* {{cite web|title=773f1b5 fix: lazy fix|url= https://github.com/kaboomserver/papermixins/commit/773f1b5725c4f7f3282ddc56f02eb4447f797923}} | |||
* {{cite web|title=632aba2 fix: lazy fix, part 2|url=https://github.com/kaboomserver/papermixins/commit/632aba20f6872a5842bfa8aab3077d656eb2134a}} | |||
* {{cite web|title=e4be072 fix: lazy fix, part 3|url=https://github.com/kaboomserver/papermixins/commit/e4be072ae9840465aaf41520a404047eba214d6f}} | |||
* {{cite web|title=e7ee2ca fix: lazy fix, part 4|url=https://github.com/kaboomserver/papermixins/commit/e7ee2ca8331ad7a955f0a6e04be840c3f416323f}} | |||
* {{cite web|title=951a587 fix: lazy fix, part 5|url=https://github.com/kaboomserver/papermixins/commit/951a58745c85b5465f0fb8b255bc4ff62f8b77a7}} | |||
* {{cite web|title=adc8e8b style: remove duplicate space|url=https://github.com/kaboomserver/papermixins/commit/adc8e8bf8a53228ff3ef738b423461751b3731a1}} | |||
* {{cite web|title=097bdef fix: lazy fix|url=https://github.com/kaboomserver/papermixins/commit/097bdef5074ce9c9a39d0be7fe9905eb3f841a6c}} | |||
</ref>. | |||
===ViaVersion kick exploits=== | |||
ViaVersion kick exploits are occasionally the result of [[ViaVersion#Bugs|ViaVersion bugs]], but are usually caused by [[Kick exploits#Oversized packets|oversized packet kicks]]. | |||
==Clientside== | |||
Clientside exploits cause unpatched clients to disconnect from the server. | |||
===Long commands in command blocks=== | |||
When a client opens a command block that contains a large command inside, and attempts to request a completion for it (always done for legacy commands like <code>/sudo</code>), it can be too large for the server to accept and the server will kick the player. | |||
==References== | |||
<references /> | |||
[[Category:Exploits]] | |||
Latest revision as of 06:03, 12 August 2026
This article is a stub. You can help Kaboom Wiki by expanding it. |
Kick exploits are exploits in the Java Edition protocol implementation or game logic implementation that can be abused to disconnect a client from the server.
Serverside[edit]
Serverside kicks force the server to disconnect a client.
Oversized packets[edit]
Oversized packets are achieved by making the server generate a packet that is too large for it to encode, resulting in the server disconnecting the player.
Such exploits have since been largely patched by PaperMixins[1].
ViaVersion kick exploits[edit]
ViaVersion kick exploits are occasionally the result of ViaVersion bugs, but are usually caused by oversized packet kicks.
Clientside[edit]
Clientside exploits cause unpatched clients to disconnect from the server.
Long commands in command blocks[edit]
When a client opens a command block that contains a large command inside, and attempts to request a completion for it (always done for legacy commands like /sudo), it can be too large for the server to accept and the server will kick the player.
