[Exim] Re: Bloated Content-type header - a known spammer abu…

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Author: Suresh Ramasubramanian
Date:  
To: Exim users list
Subject: [Exim] Re: Bloated Content-type header - a known spammer abuse, or what?
+++ Alan J. Flavell [exim-users] <29/12/01 20:36 +0000>:
> Content-type:
> text/plain;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;


> This is presumably intended to break something, but I'm not sure what.
> I tried various web searches for the symptoms, but was unable to
> devise search terms which produced a useful match.


Search for 'mailgod'. This is an attempted buffer overflow exploit which
will likely crash older sendmails (SMI/SVR4 and such), not to mention stuff
like cc:mail and lotus notes.

> I'm not saying that it's causing us any harm - I'm just puzzled by it
> (and wondering whether we could add it to our spam filter recipies ;-)


I think there's already something in the exim compile time options to specify
a max size for headers ...

> seasons greetings to all              [except spammers, that is]


Heh. You too.

--
Suresh Ramasubramanian <----> mallet <at> efn dot org