Research of Information Propagation Path and Distribution of Vulnerable Points Based on Class Cooperative Network

With rapid growth in the size of software, applications' code structure becomes more complex, attacks against vulnerable points can cause huge damage. To solve this problem, this paper analyses code structure of classes, builds cooperative network at class level to describe information propagation. On the basis of class cooperative network, this paper designs a method to exclude wrong information propagation paths, uses WS small-world network to build software model, analyses data association, finds network critical paths and vulnerability points. Experiments are launched to verify the results.