Re: CounterStrike (HalfLife?) Server possible DoS attack.

[hellNbak <hellnbak () nmrc org>]

Dude don't mess with my fraggin counterstrike.  :-)

Tested on latest version with all patches and it doesn't work.  But if I
remember correctly the patch was on the server side so mileage may vary.

On Thu, 28 Nov 2002, Patrick Webster wrote:

> Date: Thu, 28 Nov 2002 11:12:24 +1100
> From: Patrick Webster <webster_p () DeMorgan com au>
> To: "SF-Vuln-Dev (E-mail)" <vuln-dev () securityfocus com>
> Subject: CounterStrike (HalfLife?) Server possible DoS attack.
>
> Hi Guys,
>
> Could someone who actually has CounterStrike on their PC look into this for
> me and see if it still exists?
> Last I remember, it was possible to crash a CS server and thus disconnect
> all users by requesting "say nextmap" multiple times.
> To reproduce this attack, you simply bind any key to ask the server to
> display the next map - I recall it as 'say nextmap'.
> So, for example;
>
> F6 = 'say nextmap; say nextmap; say nextmap; say nextmap; say nextmap; say
> nextmap; say nextmap; say nextmap; say nextmap; say nextmap; say nextmap'
>
> Connect to a server, and rapidly press F6 until you are disconnected. Try
> and reconnect - the service should have crashed.
>
> Thanks,
>
> Patrick Webster,
> Systems Administrator
>
> DeMorgan Information Security Services
>
> Freecall: 1800 DE MO RG (33 66 74)
> Tel: +61299290377
> Fax: +61299290917
> Mob: +61403421390
>
> Address: Level 2, 41 McLaren St
> North Sydney, NSW, 2060, Australia
>
> Visit us at: www.demorgan.com.au

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"I don't intend to offend, I offend with my intent"

hellNbak () nmrc org
http://www.nmrc.org/~hellnbak

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