[2021]: Hunta-694

# ---------------------------------------------------------------------- # Exploit # ---------------------------------------------------------------------- def main(): io = start()

| Category | Typical Indicator | How it manifested in hunta‑694 | |----------|-------------------|-------------------------------| | | gets , strcpy , unchecked read / recv | e.g., gets(buf) in vuln() | | Format string | printf(user_input) | e.g., printf(user_input); | | Use‑after‑free / Double free | free(ptr); … free(ptr); | Observed in heap manipulation | | Integer overflow | malloc(size * elem) without checks | Triggered by large input | | Command injection | system(user_input) | Allows arbitrary shell | | SQL / NoSQL injection | Direct string concatenation in query | SELECT * FROM users WHERE name=' + input | | Crypto weakness | Small RSA modulus, fixed IV, ECB mode | RSA modulus 256‑bit | | Logic flaw | Bypass authentication via magic value | Accepts "admin" after certain condition | | File inclusion | include($_GET['page']) | Remote file inclusion (RFI) | | Web‑specific | Missing CSRF tokens, open redirects | Redirect to http://attacker/... | hunta-694

$ nc <host> <port> or a local wrapper script ( run.sh ). Capture traffic with tcpdump / wireshark or socat . Below are the most common vulnerability patterns. Mark the ones that actually appear in hunta‑694 . Below are the most common vulnerability patterns

context.binary = ELF context.terminal = ['tmux', 'splitw', '-h'] '-h'] If the challenge is a

If the challenge is a , use: