What is buffer overflow and how is the following code segment susceptible to it?

int main(void) {
char buff[50];
int age = 2;
…
gets(&buff);
printf("You Entered %s\n", buff);
…
}

This code segment is susceptible to a buffer overflow because the gets() function does not check how much data is being read in, and it is possible to write more data than what the 50 byte buffer can hold. This can lead to undefined behavior.

Importance of buffer overflow:

A buffer overflow can lead to undefined behavior, which can cause a program to crash or even allow an attacker to take control of the program.

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What is buffer overflow and how is the following code segment susceptible to it? int main(void) { char buff[50]; int age = 2; … gets(&buff); printf("You Entered %s\n", buff); … }

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Importance of buffer overflow:

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What is buffer overflow and how is the following code segment susceptible to it?

int main(void) {
char buff[50];
int age = 2;
…
gets(&buff);
printf("You Entered %s\n", buff);
…
}