Second payload (sent after the program restarts at main ):
while (1) puts("1. Input name"); puts("2. Print secret"); puts("3. Exit"); scanf("%d", &choice); switch (choice) case 1: get_name(); break; case 2: print_secret(); break; case 3: exit(0);
| Issue | What it allowed | Fix (if you were the developer) | |-------|-----------------|---------------------------------| | into a 64‑byte stack buffer | Arbitrary overwrite of saved RBP and RIP → full control of execution flow. | Use fgets with a proper length check, or read with the exact buffer size. | | No Stack Canary | No detection of stack corruption. | Enable -fstack-protector-strong (or at least -fstack-protector ). | | Partial RELRO (GOT entries writable) | Allows overwriting the GOT entry for puts after leak (though not needed here). | Use full RELRO (`-Wl,-z midv699 full
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Involves themes of sister/sibling dynamics, "NEET" (Not in Education, Employment, or Training) archetypes, and domestic settings. Second payload (sent after the program restarts at
: Domestic drama tropes common within the JAV industry. The Digital Lifecycle of JAV Search Terms
read allows 200 bytes to be written into a 64‑byte stack buffer → classic stack‑based overflow. "NEET" (Not in Education
$ checksec --file=midv699-full [*] RELRO : Partial RELRO [*] Stack Canary : No canary found [*] NX : Enabled [*] PIE : No PIE [*] Fortify Source : No