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From: andrewg at (
Subject: IRC DCC Exploit

Normally I wouldn't of replied, but due to the other answers people have
provided, I will.

> Hey,
>       I want to know about DCC Exploit,
> 1)  What is Irc DCC Exploit ?

Its a denial of service in MIRC versions >=6.0 and <6.12

> 2)  How it works ?

>From what I've told, it causes a out of bounds read error in the MIRC
client , after parsing the string.

> 3)  What is its Source/code ?

I've probably got the thingy in a log, iirc, its dcc send/get x x x x x x
x x x x x x x x x x x x x x more or less (around 12 or something.

> 4)  How to protect from this exploit ?

Either upgrade to MIRC 6.12, or do /ignore -wd * which will prevent it
from happening.

> 5)  And in which language people were made ?


>       I am asking you about it because it is harmfull full, when i join
> channel i disconnected 4 times with Critical Error. so please
> reply me as soon as possible. Thanks
> Best Regards from,
> Farrukh Hussain.

Hope this helps,
Andrew Griffiths

P.S No, I don't care this affects windows people, I'm sure if they notice
their client keeps on crashing, they'll look for more information.

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