BackgroundIn the database system, many security vulnerabilities have been found, which are more serious and more harmful: buffer overflow and SQL injection 2 kinds.SQL injection relies heavily on structured query languages, each with a slightly
1. the outline
A buffer overflow, also called a stack overflow (and a lot of salutation), is an unavoidable vulnerability for computer programs, unless there is a new design to replace the stack design that runs the program.
The purpose of the
Summary:This article mainly demonstrates the stack overflow under the Linux platform, first the overflow attack according to the theory to the example code, the result is the overflow attack, but it is different from the idea, then uses the GDB
VC + +, in the stack space to apply for storage of the structure or class object array space, if the array length is too large, resulting in the application of the stack space over or close to 1MB, the program can be compiled through, but can not be
0x00 PrefaceIn the extraction and testing of the Windows Shellcode Learning Note--shellcode, we describe how to make a preliminary optimization of Shellcode, dynamically acquire the Windows API address and invoke it. and through the program to
Stack overflow is the world's largest programming quiz site, and most programmers are more or less in touch with it: even if you've never asked or answered it, don't forget that in search of a lot of technical questions, the first page of the
Today, when you write a program, pop-up dialog boxes are displayed:The application has an exception unknown software exception (0XC00000FD):This is how the code reads a CSV file in a function, initializes a variable directly based on the size of the
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