What are Buffer Overflows?
Buffer overflow vulnerability affects the web applications that require user input. The application stores the input in a buffer which is of a fixed size, as defined by the programmer. When the input that is sent to the application is more than the buffer capacity and the buffers are left unchecked, buffer overflow occurs. The severity depends on the user input. If a malicious code executes as a result of the overflow, it can even compromise the whole system. To learn more, please read the OWASP article on buffer overflows.
