Systemsicherheit/Assignment 6 - Software Security - Teil 2/basic_overflow/basic_overflow.c

24 lines
428 B
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// vulnerable function
int overflow_me(char* input)
{
char buff[100];
printf("Buffer is at %p\n", &buff); // buff's address is leaked :O
strcpy(buff, input);
return 1;
}
int main(int argc, char *argv[])
{
if(argc < 2)
{
printf("Syntax: %s <input string>\n", argv[0]);
exit (0);
}
overflow_me(argv[1]);
return 0;
}