Verisign has fixed an issue that could have allowed attackers to register bogus domains by using homoglyphs in place of more common characters, due to research from California-based security firm Soluble. Matt Hamilton, principal security researcher at Soluble, discovered the flaw when he attempted to register an Amazon Web Services S3 bucket with Unicode emoji characters. “It was possible to register Latin homoglyph characters, specifically Unicode Latin IPA Extension homoglyphs,” he wrote in a blog released Wednesday. “I then checked if it was possible to register domains with these homoglyph characters. Ruh-roh, it was.” Hamilton called out the abuse of the following characters: The “ɡ” (Voiced Velar Stop) The “ɑ” (Latin Alpha) The “ɩ” (Latin Iota) For years, domain providers have been aware of homoglyph attacks and have put in place restrictions to prevent their exploitation, such as barring the use of both Latin and Cyrillic characters at once. Verisign, which operates […]
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