Kick exploits - Revision history

Koshchki123: This was a mess mate

2026-08-12T06:03:14Z

This was a mess mate

← Older revision		Revision as of 06:03, 12 August 2026
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	'''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.		'''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==

	Serverside kicks force the server to disconnect a client.		Serverside kicks force the server to disconnect a client.
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	ViaVersion kick exploits are occasionally the result of [[ViaVersion#Bugs\|ViaVersion bugs]], but are usually caused by [[Kick exploits#Oversized packets\|oversized packet kicks]].		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==

	Clientside exploits cause unpatched clients to disconnect from the server.		Clientside exploits cause unpatched clients to disconnect from the server.

	==Long commands in command blocks==		===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.		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.

Opt: Move command block shit. God, this has been around for so long, how haven't Mojang patched this yet???

2026-08-06T16:07:57Z

Move command block shit. God, this has been around for so long, how haven't Mojang patched this yet???

← Older revision		Revision as of 16:07, 6 August 2026
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	Clientside exploits cause unpatched clients to disconnect from the server.		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==

Opt: Consistent naming

2026-08-06T16:04:02Z

Consistent naming

← Older revision		Revision as of 16:04, 6 August 2026
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	'''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.		'''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.

	=~~Server-side~~=		=Serverside=

	~~Server-side~~ kicks force the server to disconnect a client.		Serverside kicks force the server to disconnect a client.

	===Oversized packets===		===Oversized packets===
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	=Clientside=		=Clientside=

	~~Client-side~~ exploits cause unpatched clients to disconnect from the server.		Clientside exploits cause unpatched clients to disconnect from the server.

	==References==		==References==

Opt: Add to exploit category

2026-08-05T06:41:38Z

Add to exploit category

← Older revision		Revision as of 06:41, 5 August 2026
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	==References==		==References==
	<references />		<references />

			[[Category:Exploits]]

Opt: Change protocol link

2026-08-04T09:17:26Z

Change protocol link

← Older revision		Revision as of 09:17, 4 August 2026
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	{{Stub}}		{{Stub}}

	'''Kick exploits''' are [[Wikipedia:Exploit (computer security)\|exploits]] in the [https://minecraft.wiki/w/Java_Edition_protocol ~~Minecraft~~ protocol implementation] or game logic implementation that can be abused to disconnect a client from the server.		'''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.

	=Server-side=		=Server-side=

Opt: Kick exploits aren't limited to the protocol

2026-08-04T09:16:58Z

Kick exploits aren't limited to the protocol

← Older revision		Revision as of 09:16, 4 August 2026
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	{{Stub}}		{{Stub}}

	'''Kick exploits''' are [[Wikipedia:Exploit (computer security)\|exploits]] in the Minecraft protocol that can be abused to disconnect a client from the server.		'''Kick exploits''' are [[Wikipedia:Exploit (computer security)\|exploits]] in the [https://minecraft.wiki/w/Java_Edition_protocol Minecraft protocol implementation] or game logic implementation that can be abused to disconnect a client from the server.

	=Server-side=		=Server-side=

Opt: Move references before period

2026-08-04T09:15:03Z

Move references before period

← Older revision		Revision as of 09:15, 4 August 2026
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	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.		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]].		Such exploits have since been largely patched by [[PaperMixins]]<ref>See commits:
	<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=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=773f1b5 fix: lazy fix\|url= https://github.com/kaboomserver/papermixins/commit/773f1b5725c4f7f3282ddc56f02eb4447f797923}}
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	* {{cite web\|title=adc8e8b style: remove duplicate space\|url=https://github.com/kaboomserver/papermixins/commit/adc8e8bf8a53228ff3ef738b423461751b3731a1}}		* {{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}}		* {{cite web\|title=097bdef fix: lazy fix\|url=https://github.com/kaboomserver/papermixins/commit/097bdef5074ce9c9a39d0be7fe9905eb3f841a6c}}
	</ref>		</ref>.

	===ViaVersion kick exploits===		===ViaVersion kick exploits===

Opt: Slight modifications to wording of clientside kick exploit section, since patches for kicks do exist

2026-08-04T09:13:57Z

Slight modifications to wording of clientside kick exploit section, since patches for kicks do exist

← Older revision		Revision as of 09:13, 4 August 2026
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	=Clientside=		=Clientside=

	Client-side exploits ~~force a client~~ to disconnect from the server.		Client-side exploits cause unpatched clients to disconnect from the server.

	==References==		==References==
	<references />		<references />

Hcesaropz: actually have references section

2026-08-04T09:11:59Z

actually have references section

← Older revision		Revision as of 09:11, 4 August 2026
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	Client-side exploits force a client to disconnect from the server.		Client-side exploits force a client to disconnect from the server.

	==~~=Netty exploits=~~==		==References==
			<references />

Hcesaropz: note oversized packet kick has workaround in PaperMixins

2026-08-04T09:09:07Z

note oversized packet kick has workaround in PaperMixins

← Older revision		Revision as of 09:09, 4 August 2026
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	{{Stub}}		{{Stub}}

	'''Kick exploits''' are [[Wikipedia:Exploit (computer security)\|exploits]] that can be abused to ~~make an unpatched~~ client ~~disconnect itself or force~~ the server ~~to disconnect a player~~.		'''Kick exploits''' are [[Wikipedia:Exploit (computer security)\|exploits]] in the Minecraft protocol that can be abused to disconnect a client from the server.

	=~~Serverside~~=		=Server-side=

	~~==Overlarge kick exploits==~~		Server-side kicks force the server to disconnect a client.
	~~Overlarge kick exploits are achieved by making~~ the server ~~generate~~ a ~~packet that is too large for it to encode, resulting in the server disconnecting the player~~.

	==ViaVersion kick exploits==		===Oversized packets===
	ViaVersion kick exploits are occasionally the result of [[ViaVersion#Bugs\|ViaVersion bugs]], but are usually caused by [[Kick exploits#~~Overlarge kick exploits~~\|~~overlarge kick exploits~~]].		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=

			Client-side exploits force a client to disconnect from the server.

			===Netty exploits===