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Stack buffer overflow

Stack buffer overflow. Stack frame layout. #include < string.h > void foo (char *bar) { char c[12]; strcpy (c, bar); //no bound } int main ( int argc , char ** argv ) { foo( argv [1]); }. #include < string.h > void foo (char *bar) { char c[12]; strcpy (c, bar); //no bound

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Stack buffer overflow

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  1. Stack buffer overflow

  2. Stack frame layout

  3. #include <string.h> void foo (char *bar) { char c[12]; strcpy (c, bar); //no bound } int main (intargc, char **argv) { foo(argv[1]); }

  4. #include <string.h> void foo (char *bar) { char c[12]; strcpy (c, bar); //no bound } int main (intargc, char **argv) { foo(argv[1]); }

  5. #include <string.h> void foo (char *bar) { char c[12]; strcpy (c, bar); //no bound } int main (intargc, char **argv) { foo(argv[1]); }

  6. Demo • Linux

  7. Homework 3 • Due next week. Tuesday?? • Stack buffer overflow problem, very similar to what we have described today. • Demo.

  8. Linker Exercise • 2.31

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