Major Backdoor In Millions of RFID Cards Allows Instant Cloning

SecurityWeek reports:A significant backdoor in millions of contactless cards made by China-based Shanghai Fudan Microelectronics Group allows instantaneous cloning of RFID smart cards used to open office doors and hotel rooms around the world. French security services firm Quarkslab has made an eye-popping discovery... Although the backdoor requires just a few minutes of physical proximity to an affected card to conduct an attack, an attacker in a position to carry out a supply chain attack could execute such attacks instantaneously at scale, researcher Philippe Teuwen explained in a paper. Thanks to Slashdot reader wiredmikey for sharing the article.

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