A recursive strategy for symbolic execution to find exploits in hardware designs

A recursive strategy for symbolic execution to find exploits in hardware designs
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用于寻找硬件设计漏洞的符号执行递归策略

DOI:
10.1145/3219763.3219764
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发表时间:
2018
期刊:
Proceedings of the 2018 ACM SIGPLAN International Workshop on Formal Methods and Security
影响因子:
--
通讯作者:
Sturton, Cynthia
Sturton, Cynthia
中科院分区:
--
文献类型:
--
作者:
Zhang, Rui;Sturton, Cynthia

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本文提出了面向硬件的符号执行,它使用递归算法来查找硬件设计中的漏洞并生成漏洞利用。我们首先定义问题,然后制定和正式确定我们的策略。我们的方法允许通过可能无限的执行跟踪集进行有针对性的搜索,以查找大海捞针的错误状态。我们在开源的OR1200 RISC处理器上演示了这种方法。利用该方法,我们发现并生成了控制流错误、指令完整性错误和异常相关错误的攻击。
This paper presents hardware-oriented symbolic execution that uses a recursive algorithm to find, and generate exploits for, vulnerabilities in hardware designs. We first define the problem and then develop and formalize our strategy. Our approach allows for a targeted search through a possibly infinite set of execution traces to find needle-in-a-haystack error states. We demonstrate the approach on the open-source OR1200 RISC processor. Using the presented method, we find, and generate exploits for, a control-flow bug, an instruction integrity bug and an exception related bug.
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