Re: Return of i18n attacks with the help of wildcard certificates

2009-02-26 Thread Jean-Marc Desperrier
Paul Hoffman wrote: At 7:09 AM +0100 2/24/09, Kaspar Brand wrote: Kyle Hamilton wrote: Removal of support for wildcards can't be done without PKIX action, if one wants to claim conformance to RFC 3280/5280. Huh? Both these RFCs completely step out of the way when it comes to wildcard

Re: Return of i18n attacks with the help of wildcard certificates

2009-02-26 Thread Eddy Nigg
On 02/26/2009 01:49 PM, Jean-Marc Desperrier: Just one thing : The use of a wildcard certificate was a misleading red herring in the implementation of the attack. Yes, I've been saying it all along. What's truly broken is that the current i18n attack protection relies on the checking done

Re: Return of i18n attacks with the help of wildcard certificates

2009-02-26 Thread Gervase Markham
On 26/02/09 11:49, Jean-Marc Desperrier wrote: What's truly broken is that the current i18n attack protection relies on the checking done by the registrar/IDN, and that the registrar/IDN can only check the second-level domain name component. Actually, our protection had a bug (that is, there

Re: Return of i18n attacks with the help of wildcard certificates

2009-02-26 Thread Jean-Marc Desperrier
Gervase Markham wrote: On 26/02/09 11:49, Jean-Marc Desperrier wrote: What's truly broken is that the current i18n attack protection relies on the checking done by the registrar/IDN, and that the registrar/IDN can only check the second-level domain name component. Actually, our protection had

Re: Return of i18n attacks with the help of wildcard certificates

2009-02-26 Thread Boris Zbarsky
Jean-Marc Desperrier wrote: Which blacklist ? There's a blacklist inside the browser ? Yes. See http://bonsai.mozilla.org/cvsblame.cgi?file=mozilla/modules/libpref/src/init/all.jsrev=3.762mark=704-708#704 The oppposite seems obviously said here :