Amazon Interview Question Software Engineer / Developers
0of 0 votesWhat is buffer overflow and how do you exploit it?
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What is buffer overflow and how do you exploit it?
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buffer overflow, or say, buffer overrun, is an anomalous condition where a process attempts to store data beyond the boundaries of a fixed length buffer. The result is that the extra data overwrites adjacent memory locations. The overwritten data may include other buffers, variables and program flow data.
- ultraviolet January 30, 2007Buffer overflows may cause a process to crash or produce incorrect results. They can be triggered by inputs specifically designed to execute malicious code or to make the program operate in an unintended way. As such, buffer overflows cause many software vulnerabilities and form the basis of many exploits.
Sufficient bounds checking by either the programmer or the compiler can prevent buffer overflows.
(excepted from Wikipedia)