Bugtraq mailing list archives

Re: OpenID/Debian PRNG/DNS Cache poisoning advisory


From: Eric Rescorla <ekr () networkresonance com>
Date: Fri, 08 Aug 2008 08:06:25 -0700

At Fri, 8 Aug 2008 11:50:59 +0100,
Ben Laurie wrote:
However, since the CRLs will almost certainly not be checked, this
means the site will still be vulnerable to attack for the lifetime of
the certificate (and perhaps beyond, depending on user
behaviour). Note that shutting down the site DOES NOT prevent the
attack.

Therefore mitigation falls to other parties.

1. Browsers must check CRLs by default.

Isn't this a good argument for blacklisting the keys on the client
side?

-Ekr


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