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Content Provider | IEEE Xplore Digital Library |
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Author | Korak, T. Hutter, M. |
Copyright Year | 2014 |
Description | Author affiliation: Inst. for Appl. Inf. Process. & Commun. (IAIK), Graz Univ. of Technol., Graz, Austria (Korak, T.; Hutter, M.) |
Abstract | A huge number of security-relevant systems nowadays use contactless smart cards. Such systems, like payment systems or access control systems, commonly use single-pass or mutual authentication protocols to proof the origin of the card holder. The application of relay attacks allows to circumvent this authentication process without needing to attack the implementation or protocol itself. Instead, the entire wireless communication is simply forwarded using a proxy and a mole allowing to relay messages over a large distance. In this paper, we present several relay attacks on an ISO/IEC 14443-based smart card implementing an AES challenge-response protocol. We highlight the strengths and weaknesses of two different proxy types: an NFC smart phone and a dedicated custom-made proxy device. First, we propose a “three-phones-in-the-middle” attack that allows to relay the communication over more than 360 feet (110 meters). Second, we present a custom-made proxy that solves major relay-attack restrictions that apply on almost all NFC smart phones, for example, cloning of the victim's UID, adaption of low-level protocol parameters, direct request for Waiting Time Extensions, or active modifications of the messages. Finally, we propose an attack that allows to induce single bit faults during the anticollision of the card which forces the reader to re-send or temporarily stall the communication which can be exploited by attacks to gain additional relay time. |
Starting Page | 126 |
Ending Page | 133 |
File Size | 313631 |
Page Count | 8 |
File Format | |
ISBN | 9781479935871 |
DOI | 10.1109/RFID.2014.6810722 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2014-04-08 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Man-in-the-Middle Wireless LAN Protocols IEC standards ISO standards Smart Cards Radio-Frequency Identification (RFID) Embedded Systems Relays Smart phones Radiofrequency identification Relay Attacks |
Content Type | Text |
Resource Type | Article |
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