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题名:
a covert timing channel via algorithmic complexity attacks: design and analysis
作者: Sun Xiaoshan ; Cheng Liang ; Zhang Yang
会议文集: IEEE International Conference on Communications
会议名称: 2011 IEEE International Conference on Communications, ICC 2011
会议日期: 5-Jun-20
出版日期: 2011
会议地点: Kyoto, Japan
关键词: Access control ; Algorithms ; Computational complexity ; Design
出版地: United States
收录类别: ei
ISSN: 5361486
ISBN: 9781612842332
部门归属: (1) State Key Laboratory of Information Security, Graduate School, Chinese Academy of Sciences, China; (2) State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, China
主办者: IEEE Communication Society; IEICE Communications Society; Science Council of Japan
英文摘要: A covert channel is a communication channel that bypasses the access controls of the system, and it is a threat to the system's security. In this paper, we propose a new covert timing channel which exploits the algorithmic complexity vulnerabilities in the name lookup algorithm of the kernel. This covert channel has a high capacity and it is practically exploitable. In our experiments, the data rate reaches 2256 bps under a very low error rate. This data rate is high enough for practical use. So our covert channel is dangerous. To our knowledge, no previous works propose this covert channel nor implement it. We describe our design and implementation of the covert channel on a SELinux system, discuss the subtle issues that arose in the design, present performance data of the covert channel and analyse its capacity. © 2011 IEEE.
语种: 英语
内容类型: 会议论文
URI标识: http://ir.iscas.ac.cn/handle/311060/14393
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Sun Xiaoshan,Cheng Liang,Zhang Yang. a covert timing channel via algorithmic complexity attacks: design and analysis[C]. 见:2011 IEEE International Conference on Communications, ICC 2011. Kyoto, Japan. 5-Jun-20.
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