FoxPro给出了“Source is Out ofDate”消息 一段时间以来,在用FoxPro forMS-DOS时,系统经常给出“Source isout of date”(源文件过时了)消息。这条消息一出现,我的工作也被迫中断,从Microsoft帮助屏或指导书中我找不到答案。 您能告...FoxPro给出了“Source is Out ofDate”消息 一段时间以来,在用FoxPro forMS-DOS时,系统经常给出“Source isout of date”(源文件过时了)消息。这条消息一出现,我的工作也被迫中断,从Microsoft帮助屏或指导书中我找不到答案。 您能告诉我这里的“源文件”是指什么吗?怎样才能避免这个错误?展开更多
Integer overflow vulnerability will cause buffer overflow. The research on the relationship between them will help us to detect integer overflow vulnerability. We present a dynamic analysis methods RICB （Run-time Int...Integer overflow vulnerability will cause buffer overflow. The research on the relationship between them will help us to detect integer overflow vulnerability. We present a dynamic analysis methods RICB （Run-time Integer Checking via Buffer overflow）. Our approach includes decompile execute file to assembly language; debug the execute file step into and step out; locate the overflow points and checking buffer overflow caused by integer overflow. We have implemented our approach in three buffer overflow types： format string overflow, stack overflow and heap overflow. Experiments results show that our approach is effective and efficient. We have detected more than 5 known integer overflow vulnerabilities via buffer overflow.展开更多
文摘FoxPro给出了“Source is Out ofDate”消息 一段时间以来,在用FoxPro forMS-DOS时,系统经常给出“Source isout of date”(源文件过时了)消息。这条消息一出现,我的工作也被迫中断,从Microsoft帮助屏或指导书中我找不到答案。 您能告诉我这里的“源文件”是指什么吗?怎样才能避免这个错误?
基金Supported by the National Natural Science Foundation of China （60903188）, Shanghai Education Commission Innovation Foundation （11YZ192） and World Expo Science and Technology Special Fund of Shanghai Science and Technology Commission （08dz0580202）.
文摘Integer overflow vulnerability will cause buffer overflow. The research on the relationship between them will help us to detect integer overflow vulnerability. We present a dynamic analysis methods RICB （Run-time Integer Checking via Buffer overflow）. Our approach includes decompile execute file to assembly language; debug the execute file step into and step out; locate the overflow points and checking buffer overflow caused by integer overflow. We have implemented our approach in three buffer overflow types： format string overflow, stack overflow and heap overflow. Experiments results show that our approach is effective and efficient. We have detected more than 5 known integer overflow vulnerabilities via buffer overflow.
