RSS[CS:S|ANY?] Voice Data Crash Fix

[MYGO.pl]

Description

Plugin for prevent the voice data overflow exploit that crash the clients on the server with this message:

Code:

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Disconnect: Buffer overflow in net message.

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And this spam on console:

Code:

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Netchannel: unknown net message (48) from [Server IP Address:Port]

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Tested recently on my css server where people still try to use this exploit.

You will see the attempts on addons/sourcemod/logs/voicedata_crashfix.log
Example:

Code:

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L 12/17/2022 - 20:09:41: [voicedata_crashfix.smx] panc*** (ID: STEAM_0:0:{steamid} | IP: {client ip}) was kicked for trying to crash the server with voice data overflow. Total packets: 5800

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Requeriments:

Latest sourcemod version with the new speaking natives.
Or VoiceannounceEX and this branch instead if you are using a old sourcemod version.

Cvars:
Autogenerated file on cfg/sourcemod/ on first load.

Code:

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// How many packets per second max?
// -
// Default: "92"
sm_voicedatacrashfix_count "92"

// Punishment. 0 = Just mute, 1 = Kick, 2 = Perm ban
// -
// Default: "1"
// Minimum: "0.000000"
// Maximum: "2.000000"
sm_voicedatacrashfix_punishment "1"

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Credits:

Credits to this topic where people used the exploit on cs:go but valve fixed it, but this exploit still works on games like CS:S. I made some improvements and posted here for find it easily with suport for old and recent sourcemod versions.


Download:

Main repository
Direct download
Code changes


For old sourcemod version use this:

Main repository
Direct download
Code changes

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