42.zip handled differently

Ralf Hildebrandt via amavis-users amavis-users at amavis.org
Sun Sep 1 16:30:13 CEST 2013


* Carsten Wolff via amavis-users <amavis-users at amavis.org>:

> On Friday 30 August 2013 15:24:15 Ralf Hildebrandt via amavis-users wrote:
> [snip]
> > But if I create an email from it using mpack ( using:
> > mpack -s 42.zip -o 42.zip.txt 42.zip )
> [snip]
> > amavis[17731]: (17731-08) p002 1/2 Content-Type: text/plain, size: 57784 B,
> > name: 01_sample-42-mail-bomb.txt Aug 30 15:07:23 mail2 amavis[17731]:
> 
> The MIME-Encoding is wrong, here. The header says text/plain, so amavis does 
> not try to unpack and just feeds the part to ClamAV. So no chance here to 
> detect the mailbomb during parts decoding.

Ah, good point.

-- 
Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
ralf.hildebrandt at charite.de        Campus Benjamin Franklin
http://www.charite.de              Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155


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