Petnames support i18n without enabling phishing (Was: fake URLs 'r us...)

2005-02-07 Thread list
This seems like an opportune time to again refer everyone to my paper on the petname toolbar. Using the petname toolbar, users can identify web sites using their local charset and language, and as a nice bonus, become invulnerable to phishing attacks. The paper is at: http://www.waterken.com/de

Re: fake URLs 'r us...

2005-02-07 Thread Gervase Markham
Duane wrote: I assume you guys know about international languages bug in URLs, but didn't see anything else on it... http://www.shmoo.com/idn/ Even effects SSL! Indeed. Unless we do something about this quick, IDN is screwed, because more and more people will switch it off, and no-one will bothe

Re: How to deal with the Shmoo bug

2005-02-07 Thread Duane
Ian G wrote: The first thing that strikes is that the IDN/Shmoo thing is not a bug but is a feature. It's doing what it was intended to do. Indeed, one of the browser manufacturers said that in the Shmoo advisory (but just saying that is not a sufficient response!). Actually it just occurred to m

Re: How to deal with the Shmoo bug

2005-02-07 Thread Duane
Ian G wrote: Then, when the spoof BunkOfAmerika turns up, the HTML might look the same, but the browser should treat this is an untrusted site - no logos because the cert seen (if any) doesn't have any logos selected. You're making assumptions here that I don't think will carry over to the real wo

How to deal with the Shmoo bug

2005-02-07 Thread Ian G
The first thing that strikes is that the IDN/Shmoo thing is not a bug but is a feature. It's doing what it was intended to do. Indeed, one of the browser manufacturers said that in the Shmoo advisory (but just saying that is not a sufficient response!). We've always been able to copy domain names

Re: fake URLs 'r us...

2005-02-07 Thread J. Wren Hunt
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ian G wrote: | Is this a valid cert? Who is USERTRUST? I never heard | of these guys, and Firefox has definately offended me | by claiming | | "The website www.paypal.com supports |authentication for the page you are viewing. The |identity

Re: fake URLs 'r us...

2005-02-07 Thread Duane
Ian G wrote: Questions: What is the security alert process? Had Shmoo advised MF of this bug and their intention to publish? Presumably there is some previously-secret bug number in bugzilla that can now be made public? Judging by emails of only a few days ago, at least 2 people referenced the p

Re: fake URLs 'r us...

2005-02-07 Thread Ian G
Over on the blog BoingBoing there is a workaround for Firefox: http://www.boingboing.net/2005/02/06/shmoo_group_exploit_.html I tested it and it works for my setup (FreeBSD; Firefox 1.0) (but apparently it doesn't work on Linux?) Questions: What is the security alert process? Had Shmoo advised MF

Re: fake URLs 'r us...

2005-02-07 Thread Duane
Ian G wrote: On my Konqueror (3.3.2/FreeBSD), there is no bolding, however the 'a' is slightly smaller and looks like a different font. That's only on close eyeball examination though, you'd only pick it up if looking hard. Also, the 'a' didn't survive a cut&paste, and I ended up with pypal.com v

Re: fake URLs 'r us...

2005-02-07 Thread Duane
Henrik Gemal wrote: Duane wrote: I assume you guys know about international languages bug in URLs, but didn't see anything else on it... http://www.shmoo.com/idn/ Even effects SSL! damn that's an ugly one I'm getting reports from the CAcert mailing list how you can't disable IDN in firefox 1.0 e

Re: fake URLs 'r us...

2005-02-07 Thread Ian G
Duane wrote: I've been told konq visually makes the characters stand out (bolds them I was told)... On my Konqueror (3.3.2/FreeBSD), there is no bolding, however the 'a' is slightly smaller and looks like a different font. That's only on close eyeball examination though, you'd only pick it up if

Re: fake URLs 'r us...

2005-02-07 Thread Duane
Henrik Gemal wrote: damn that's an ugly one Conversing with my friend early (who seemed quite knowledgeable on punycode domains) said he had the same argument with opensrs 2 years ago about this same issue, and that even on a smaller scale who will know if you register a domain similar to a comp

Re: fake URLs 'r us...

2005-02-07 Thread Duane
Henrik Gemal wrote: Duane wrote: I assume you guys know about international languages bug in URLs, but didn't see anything else on it... http://www.shmoo.com/idn/ Even effects SSL! From the advisory: http://www.shmoo.com/idn/homograph.txt V.Workaround You can disable IDN support in mozilla p

Re: fake URLs 'r us...

2005-02-07 Thread Henrik Gemal
Duane wrote: I assume you guys know about international languages bug in URLs, but didn't see anything else on it... http://www.shmoo.com/idn/ Even effects SSL! From the advisory: http://www.shmoo.com/idn/homograph.txt V. Workaround You can disable IDN support in mozilla products by setting 'net

Re: fake URLs 'r us...

2005-02-07 Thread Henrik Gemal
Duane wrote: I assume you guys know about international languages bug in URLs, but didn't see anything else on it... http://www.shmoo.com/idn/ Even effects SSL! damn that's an ugly one -- Henrik Gemal Mozilla Evangelist Mozilla Blog with news, devinfo, links, etc: http://gemal.dk

fake URLs 'r us...

2005-02-07 Thread Duane
I assume you guys know about international languages bug in URLs, but didn't see anything else on it... http://www.shmoo.com/idn/ Even effects SSL! -- Best regards, Duane http://www.cacert.org - Free Security Certificates http://www.nodedb.com - Think globally, network locally http://www.sydneyw