Trusting LTE Communications for Over-the-Air Updates in Automobiles

Paper #:
  • 2016-01-0067

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0067
Citation:
Wilson, R., Music, W., and Anderson, B., "Trusting LTE Communications for Over-the-Air Updates in Automobiles," SAE Technical Paper 2016-01-0067, 2016, doi:10.4271/2016-01-0067.
Pages:
7
Abstract:
Modern vehicular systems rely on millions of lines of code that must occasionally be updated to add new functions or to patch flaws to ensure safe and secure operation. Updates accomplished through a compromised cellular base station could lead to an update process that may be vulnerable to attack. We have been investigating techniques for determining whether an LTE base station (known as an eNodeB) appears to be suspicious, so that an update could be paused or terminated until a trusted eNodeB is available. We describe a detector we developed as part of our research that scans LTE signals for anomalies and provides an alert when an anomaly is found.
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