bugtraq - Re: ZA Security Hole

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Message-ID: <407F2709.6050006@redjocks.com>
Date: Fri, 16 Apr 2004 09:51:29 +0930
From: Samps <samps@...jocks.com>
To: bugtraq@...urityfocus.com
Subject: Re: ZA Security Hole

Damjan Kreft wrote:

> Hello!
> 
> I think, I discover some kind of security hole in ZoneAlaram - any version.
> The problem is hidding in E-mail Protection. Because I'm form Slovenia (not
> Slovakia), our alphabet does have some letters with roof (c - č, s - š, z -
> ž). And when the name of e-mail attachment contain any of these three
> letters, it don't go to the qurarantine (if the attachment do have right
> extension of course). 
> 
> Greets, Damjan

I played around a bit to find out whether my own computer (with 
ZoneAlarm Pro) was vulnerable and, accidentally, found a similar 
behaviour from my ISPs mailserver, apparently being Exim 4.24.

When attaching any 'normally' named .EXE, my email is returned to me by 
Exim, with a note saying: "This kind of attachment is not good for 
you.....".
If I rename the same .EXE to, say, (c).exe, it gets delivered and 
ZoneAlarm lets it in without quarantining it.

Two bugs for the price of one!

cheers
Samps