Hi,

yes, you are right. This Crashes the Servers. I have been looking
since 2 days into the logs and ban this players permanent. We must have an
global list, with this people :-) and ban them on all Servers !
----- Original Message -----
From: "Martin" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Sunday, October 17, 2004 2:10 PM
Subject: [hlds_linux] Deliberate Server Attacks - Exploit


It seems if a player changes his name to %n, and is then killed they can
cause the server to crash, or atleast timeout and cause everyone to exit.
I'm seeing this several times a day and an urgent fix is required.

Example below:

L 10/16/2004 - 15:12:02: "metti-<405><STEAM_0:0:4079><CT>" changed name to
"[myg0t]servercrash+"
L 10/16/2004 - 15:12:09: "[myg0t]servercrash+<405><STEAM_0:0:4079><CT>"
say
"dont kill me"
L 10/16/2004 - 15:12:14: "[myg0t]servercrash+<405><STEAM_0:0:4079><CT>"
say
"the server will crash"
L 10/16/2004 - 15:12:38: "[myg0t]servercrash+<405><STEAM_0:0:4079><CT>"
changed name to "%n"
L 10/16/2004 - 15:12:49: "%n<405><STEAM_0:0:4079><CT>" say "servercrash in
10 seconds"
L 10/16/2004 - 15:12:57: "%n<405><STEAM_0:0:4079><CT>" say "3"
L 10/16/2004 - 15:12:59: "%n<405><STEAM_0:0:4079><CT>" say "2"
L 10/16/2004 - 15:13:02: "%n<405><STEAM_0:0:4079><CT>" committed suicide
with "world"

Another example with the '%n', after just crashing it.

L 10/17/2004 - 11:42:35: "%n<615><STEAM_0:0:4586436><CT>" say "ILL DO IT
AGAIN WHEN IT GETS PACKED"



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