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Old February 8th, 2005, 01:14 AM
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Default OT: Important Security Issue in Non-IE browsers

Ironically IE is NOT affected by this vulnerability.

...but then unless it has the plugin for it, it doesn't support this anyway!

Thread at DSLReports Security: The state of homograph attacks

Brief Summary: browsers supporting Punycode/IDN are vulnerable to a URL spoofing attack that can easily fool less sophisticated and complacent users. The address bar will contain the expected url (in text, not an image even!) and even the https: protocol and lock icon can be spoofed.

The most disturbing part of the story is this: (emphasis mine)
Quote:

VI. Vendor Responses

Opera: They believe they have correctly implemented IDN, and will not be making any changes.



Proof of concept link:
http://www.shmoo.com/idn/

There is a workaround for Mozilla browsers but it only partially works. In the meantime I suggest you type in/use a bookmark and never click links in emails. As for Opera users, show your displeasure by pirating...oh wait, I mean, by switching to Mozilla.
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