Re: Multiple Vendor Unusual MIME Encoding Content Filter Bypass

[Luke Borg <lborg@xxxxxxxxxxxxxx>]

How so? I can't see why it's anyones responsibility's to fix a 
corporations code, Especially if they don't have you on their payroll.


Tomasz Kojm wrote:
> On Wed, 06 Dec 2006 15:24:25 +0100
> Hendrik Weimer <hendrik@xxxxxxx> wrote:
>
>   
> > Several e-mail virus scanners can be tricked into passing an EICAR
> > test file if the following conditions are met:
> >
> > 1. the EICAR file is encoded in Base64 including characters not in the
> >    standard alphabet (e.g. whitespaces) and
> > 2. the part containing the EICAR file is nested within one or several
> >    levels of multipart/mixed content.
> >
> > Details and PoC can be found at:
> > http://www.quantenblog.net/security/virus-scanner-bypass
> >     
>
> That's _extremely_ irresponsible to disclose bugs without giving the vendors
> any chance to fix them and prepare new software releases.
>
>