A Novel Denial of Service Vulnerability in Long Term Evolution Cellular Networks
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Date
2019-01-08
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Currently many cellular networks operate using the Long Term Evolution (LTE) protocol. Therefore, most mobile subscribers interact with LTE on a daily basis, and thus are affected by the security standards and mechanisms it implements. Here, we propose a vulnerability within the LTE protocol: the mobility management control signaling, which dictates how a user equipment (UE) synchronizes with an enhanced Node-B (eNodeB) to prevent intersymbol interference. Presented are the implications and the overall effects on the bit error rate (BER) of falsified signaling which forces a UE to incorrectly advance or delay its uplink timing. Specifically, we derive a lower bound on the BER for UE that is subjected to the aforementioned signaling. Our simulation results show that a non-zero BER can be guaranteed regardless of noise conditions. Finally, we propose encryption of this signaling to prevent such an attack.
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Wireless Networks, Software Technology, intersymbol interference, denial of service vulnerability, lte, symbol error rate
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7 pages
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Proceedings of the 52nd Hawaii International Conference on System Sciences
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Attribution-NonCommercial-NoDerivatives 4.0 International
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