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Software security is crucial in every aspect of information technology. As today's software has become larger and more complex than ever before, software fault localization has become more time consuming and labor intensive accordingly. Consequently, a broad spectrum of software fault localization techniques are proposed and implemented. However, most of these techniques assume the existence of a...
This paper proposes to test web applications and generate the feasible exploits automatically, including cross-site scripting and SQL injection attacks. We test the web applications with initial random inputs by detecting symbolic queries to SQL servers or symbolic responses to HTTP servers. After symbolic outputs detected, we are able to generate attack strings and reproduce the results, emulating...
We present a simple framework capable of automatically generating attacks that exploit control flow hijacking vulnerabilities. We analyze given software crashes and perform symbolic execution in concolic mode, using a whole system environment model. The framework uses an end-to-end approach to generate exploits for various applications, including 16 medium scale benchmark programs, and several large...
Linear dependence tests determine the dependences with linear array subscripts, but only give the passive results for those with nonlinear ones. That is to say, dependences exist as long as there are nonlinear cases, which may lead to pseudo-dependences. However, to maximize the parallelism of applications and improve the credibility of the optimizing compiler, it is necessary to develop a nonlinear...
Design of a physical security perimeter fencing system requires that security designers provide effective detection, delay, and response functionalities with minimal nuisance alarms. In addition, the designers must take into considerations the security fence system life cycle cost (equipment and grounds maintenance), complexity of the terrain, safety, and environmental conditions (location of where...
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