The _gnutls_x509_verify_certificate fix
tmraz at redhat.com
Tue Nov 11 11:10:48 CET 2008
On Mon, 2008-11-10 at 21:04 +0100, Nikos Mavrogiannopoulos wrote:
> On Mon, Nov 10, 2008 at 2:47 PM, Tomas Mraz <tmraz at redhat.com> wrote:
> > Hello,
> > given the recent fix in the _gnutls_x509_verify_certificate I have been
> > looking at the function. I see there are currently some limitations in
> > it. For example it now doesn't allow verification of explicitely trusted
> > self-signed site certificate. Is there some other method how this could
> > be achieved?
> You can achieve it by associating an address of a website with the
> keyid of the given
> certificate. This is more generic of trusting a self-signed
> certificate. You can trust any
> certificate first presented when accessing a website that way (ssh security).
But the patch should be modified anyway because in case the server
presents just a self-signed site certificate there will be a dereference
of the certificate_list[-1].
It is also questionable whether the function should not also check for
clist_size of 0 before calling _gnutls_verify_certificate2().
No matter how far down the wrong road you've gone, turn back.
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