通过gera举的5个例子来说明format string(格式化字符串)这类型的问题。我们将确切指出程序中的bug,并将阐述这种错误为什么是危险的,并针对每一个例子都将有一个eXPloit。
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... bpx WideCharToMultiByte ->Unicode字符串转换成ANSI字符串 bpx rtcVarFromFormatVar ->格式化字符串 bpx rtcUpperCaseVar ->小写变大写 ...
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格式化字符串攻击 Format string attack ; Format String Attacks
内核格式化字符串漏洞 Kernel Format String Vulnerability ; kernel format string vul
格式化字符串漏洞 format string vulnerability
输出格式化字符串 printf ; vprintf
返回格式化字符串 vsprintf
将格式化字符串写入流 vfprintf
的格式化字符串 NSLog
格式化字符串的值 format x.__format__
我还是要用到,来把它转换成格式化字符串。
Printf And then I'm gonna use the same printf line after that to actually plop it into this formatted string.
连接字符串而非格式化字符串。
要格式化字符串的宽度,请在A后面放入一个整数。
To format the width of a character string, follow the a with an integer.
printf And then I'm gonna use the same printf line after that to actually plop it into this formatted string.
我还是要用到,来把它转换成格式化字符串。
You could absolutely implement something more interesting and something even more animated like we saw on Wednesday or even earlier today, but it takes a little more than just a format string.
你绝对可以实施一些更有用的,和一些更愉快的东西,像我们周三或今天早些时候,看到的,但它不只是,格式化字符串。
So the end result, because someone wrote this function years ago is that printf takes this thing, takes this thing, David plops David inside the middle of that formatted string and then renders the whole result.
基于这是某人多年以前写的程序,最终的结果是打印出这个,这个,在格式化字符串中间的,然后返回结果。
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