Practical Security Exploits of the FlexRay In-Vehicle Communication Protocol

被引:12
|
作者
Murvay, Pal-Stefan [1 ]
Groza, Bogdan [1 ]
机构
[1] Politehn Univ Timisoara, Dept Automat & Appl Informat, Timisoara, Romania
来源
关键词
Security; FlexRay; Attacks; DoS; Automotive;
D O I
10.1007/978-3-030-12143-3_15
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The ever increasing number of electronic control units inside a car demanded more complex buses with higher bandwidth capacities. But even the more recently designed in-vehicle network protocols, e.g., FlexRay, were engineered in thse absence of security concerns and thus they are highly vulnerable to adversarial interventions. In this work, we study the FlexRay protocol specification to identify features that can be used to mount various attacks. The attacks exploit both the physical layer and the data-link layer of the protocol to discard messages from the bus, i.e., DoS attacks, or to spoof messages by inserting adversarial frames and later discarding the genuine frames. We illustrate the feasibility of these attacks on an experimental setup composed of several FlexRay nodes implemented on automotive-grade controllers. While these attacks may not be a surprise, recognizing them may be relevant in preventing potential future exploits.
引用
收藏
页码:172 / 187
页数:16
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