full-disclosure-uk August 2008 archive
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full-disclosure-uk: Re: [Full-disclosure] OpenID/Debian PRNG/DNS

Re: [Full-disclosure] OpenID/Debian PRNG/DNS Cache poisoning advisory

From: Paul Hoffman <paul.hoffman_at_nospam>
Date: Fri Aug 08 2008 - 19:35:43 GMT
To: bugtraq@securityfocus.com, security@openid.net, OpenID List <general@openid.net>, cryptography@metzdowd.com, full-disclosure@lists.grok.org.uk

At 1:47 PM -0500 8/8/08, Nicolas Williams wrote:
>On Fri, Aug 08, 2008 at 02:08:37PM -0400, Perry E. Metzger wrote:
>> The kerberos style of having credentials expire very quickly is one
>> (somewhat less imperfect) way to deal with such things, but it is far
>> from perfect and it could not be done for the ad-hoc certificate
>> system https: depends on -- the infrastructure for refreshing all the
>> world's certs every eight hours doesn't exist, and if it did imagine
>> the chaos if it failed for a major CA one fine morning.
>The PKIX moral equivalent of Kerberos V tickets would be OCSP Responses.
>I understand most current browsers support OCSP.

...and only a tiny number of CAs do so.

--Paul Hoffman, Director
--VPN Consortium

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