Computer Science ›› 2018, Vol. 45 ›› Issue (11A): 325-329.

• Information Security • Previous Articles     Next Articles

Symbolic Execution Technology Based Defect Detection System for Network Programs

DENG Zhao-kun, LU Yu-liang, ZHU Kai-long, HUANG Hui   

  1. National University of Defense Technology,Hefei 230037,China
  • Online:2019-02-26 Published:2019-02-26

Abstract: The network software consists of a server and a client running on different physical nodes.Unlike ordinary binary programs,when the network software running,the server and client will communicate and transmit data in real time,and the interaction between two sides will impact on each other’s program running,so the analyzing only on ser-ver-side often leads to fault or omission of software vulnerabilities.This paper studied the state synchronization techno-logy of the two point and the process of symbolic data introduced,which is based on software virtual machine of dyna-mic binary translation mechanism and selective symbol execution technology.Through the key function hook method,the program execution process was monitored,the two-terminal state synchronization decision model was determined,and an automated network program vulnerability detection system was built.The experiment verified the effectiveness of the system in the discovery vulnerabilities of the actual network software.Finally,this system was tested by detecting the CVE vulnerabilities in the software,and the experiment results also proved the effectiveness of this system.

Key words: Network program, Vulnerabilities detecting, Selective symbol execution, State synchronization, Function hooks

CLC Number: 

  • TP311
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