$ cat writeup.md…
$ cat writeup.md…
hackerlab
Task: 64-bit PIE ELF with fgets reading 128 bytes into a 64-byte global buffer, adjacent to a password variable checked by strcmp. Solution: overflow the input buffer to overwrite the adjacent good_pass variable with the expected string, triggering get_shell() which calls system(/bin/sh).
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$sign in$ grep --similar