Again?
I thought such an attack has already been published in 2009.
http://media.ccc.de/browse/congress/2009/26c3-3576-de-how_you_can_build_an_eavesdropper_for_a_quantum_cryptosystem.html
Hopes of building an uncrackable cryptographic system using quantum mechanics have been called into question, after scientists devised a way to cheat a test used to detect secret keys that have been intercepted. By blinding detectors with laser beams, the scientists were able to defeat what's known as the Bell test. In theory, …