Re: [ANNOUNCE] Release Digsig 1.5: kernel module forrun-timeauthentication of binaries

[Arjan van de Ven]

On Fri, 2006-04-28 at 11:29 -0500, Serge E. Hallyn wrote:
> Quoting Arjan van de Ven (arjan@xxxxxxxxxxxxx):
> > 
> > > A one time effort to write it *and sign it*.
> > you don't sign nor need to sign perl or bash scripts. Why would a loader
> > be written in ELF itself? There's absolutely no reason for that.
> 
> Yup, that's an unfortunate shortcoming.  We'd been wanting to re-post to
> lkml for a long time to get ideas to fix that.
> 
> I had an extension to digsig earlier which enabled signing shellscripts
> using xattrs (just because it was a trivial task), but that's clearly
> insufficient as it would catch "./myscript.pl" but not "perl
> myscript.pl".


there is a worse one:

perl < somefile

or

wget -O - <url> | perl



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